tchange testing functionality for compatibility with next stable Julia - Granular.jl - Julia package for granular dynamics simulation
 (HTM) git clone git://src.adamsgaard.dk/Granular.jl
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       ---
 (DIR) commit bb2275349eb9a3d5dfbcd74df58b4bcd95981e8c
 (DIR) parent 7d738fefaee58a786bcd8d336ea42e9601eab07c
 (HTM) Author: Anders Damsgaard <andersd@riseup.net>
       Date:   Thu,  2 Nov 2017 09:31:37 -0400
       
       change testing functionality for compatibility with next stable Julia
       
       Diffstat:
         M src/atmosphere.jl                   |      20 ++++++++++----------
         M src/grain.jl                        |     102 ++++++++++++++++----------------
         M src/ocean.jl                        |      26 +++++++++++++-------------
         M src/simulation.jl                   |      19 +++++++++----------
         M test/atmosphere.jl                  |      84 ++++++++++++++++----------------
         M test/cohesion.jl                    |      14 +++++++-------
         M test/collision-2floes-normal.jl     |      40 ++++++++++++++++----------------
         M test/collision-2floes-oblique.jl    |     188 ++++++++++++++++----------------
         M test/collision-5floes-normal.jl     |      70 ++++++++++++++++----------------
         M test/contact-search-and-geometry.jl |     224 ++++++++++++++++----------------
         M test/grain.jl                       |      16 ++++++++--------
         M test/grid.jl                        |     226 ++++++++++++++++----------------
         M test/memory-management.jl           |      68 ++++++++++++++++----------------
         M test/netcdf.jl                      |      52 ++++++++++++++++----------------
         M test/ocean.jl                       |      92 ++++++++++++++++----------------
         M test/profiling.jl                   |      12 ++++++------
         M test/runtests.jl                    |       1 -
         M test/temporal.jl                    |      14 +++++++-------
         M test/util.jl                        |      32 ++++++++++++++++----------------
         M test/vtk.jl                         |      24 ++++++++++++------------
       
       20 files changed, 661 insertions(+), 663 deletions(-)
       ---
 (DIR) diff --git a/src/atmosphere.jl b/src/atmosphere.jl
       t@@ -228,22 +228,22 @@ Compare values of two `atmosphere` objects using the `Base.Test` framework.
        """
        function compareAtmospheres(atmosphere1::Atmosphere, atmosphere2::Atmosphere)
        
       -    Base.Test.@test atmosphere1.input_file == atmosphere2.input_file
       -    Base.Test.@test atmosphere1.time ≈ atmosphere2.time
       +    Test.@test atmosphere1.input_file == atmosphere2.input_file
       +    Test.@test atmosphere1.time ≈ atmosphere2.time
        
       -    Base.Test.@test atmosphere1.xq ≈ atmosphere2.xq
       -    Base.Test.@test atmosphere1.yq ≈ atmosphere2.yq
       +    Test.@test atmosphere1.xq ≈ atmosphere2.xq
       +    Test.@test atmosphere1.yq ≈ atmosphere2.yq
        
       -    Base.Test.@test atmosphere1.xh ≈ atmosphere2.xh
       -    Base.Test.@test atmosphere1.yh ≈ atmosphere2.yh
       +    Test.@test atmosphere1.xh ≈ atmosphere2.xh
       +    Test.@test atmosphere1.yh ≈ atmosphere2.yh
        
       -    Base.Test.@test atmosphere1.zl ≈ atmosphere2.zl
       +    Test.@test atmosphere1.zl ≈ atmosphere2.zl
        
       -    Base.Test.@test atmosphere1.u ≈ atmosphere2.u
       -    Base.Test.@test atmosphere1.v ≈ atmosphere2.v
       +    Test.@test atmosphere1.u ≈ atmosphere2.u
       +    Test.@test atmosphere1.v ≈ atmosphere2.v
        
            if isassigned(atmosphere1.grain_list, 1)
       -        Base.Test.@test atmosphere1.grain_list == atmosphere2.grain_list
       +        Test.@test atmosphere1.grain_list == atmosphere2.grain_list
            end
            nothing
        end
 (DIR) diff --git a/src/grain.jl b/src/grain.jl
       t@@ -604,68 +604,68 @@ Compare values of two grain objects using the `Base.Test` framework.
        """
        function compareGrains(if1::GrainCylindrical, if2::GrainCylindrical)
        
       -    Base.Test.@test if1.density ≈ if2.density
       -    Base.Test.@test if1.thickness ≈ if2.thickness
       -    Base.Test.@test if1.contact_radius ≈
       +    Test.@test if1.density ≈ if2.density
       +    Test.@test if1.thickness ≈ if2.thickness
       +    Test.@test if1.contact_radius ≈
                if2.contact_radius
       -    Base.Test.@test if1.areal_radius ≈ if2.areal_radius
       -    Base.Test.@test if1.circumreference ≈
       +    Test.@test if1.areal_radius ≈ if2.areal_radius
       +    Test.@test if1.circumreference ≈
                if2.circumreference
       -    Base.Test.@test if1.horizontal_surface_area ≈ if2.horizontal_surface_area
       -    Base.Test.@test if1.side_surface_area ≈ if2.side_surface_area
       -    Base.Test.@test if1.volume ≈ if2.volume
       -    Base.Test.@test if1.mass ≈ if2.mass
       -    Base.Test.@test if1.moment_of_inertia ≈ if2.moment_of_inertia
       -
       -    Base.Test.@test if1.lin_pos ≈ if2.lin_pos
       -    Base.Test.@test if1.lin_vel ≈ if2.lin_vel
       -    Base.Test.@test if1.lin_acc ≈ if2.lin_acc
       -    Base.Test.@test if1.force ≈ if2.force
       -
       -    Base.Test.@test if1.ang_pos ≈ if2.ang_pos
       -    Base.Test.@test if1.ang_vel ≈ if2.ang_vel
       -    Base.Test.@test if1.ang_acc ≈ if2.ang_acc
       -    Base.Test.@test if1.torque ≈ if2.torque
       -
       -    Base.Test.@test if1.fixed == if2.fixed
       -    Base.Test.@test if1.rotating == if2.rotating
       -    Base.Test.@test if1.enabled == if2.enabled
       -
       -    Base.Test.@test if1.contact_stiffness_normal ≈ if2.contact_stiffness_normal
       -    Base.Test.@test if1.contact_stiffness_tangential ≈ 
       +    Test.@test if1.horizontal_surface_area ≈ if2.horizontal_surface_area
       +    Test.@test if1.side_surface_area ≈ if2.side_surface_area
       +    Test.@test if1.volume ≈ if2.volume
       +    Test.@test if1.mass ≈ if2.mass
       +    Test.@test if1.moment_of_inertia ≈ if2.moment_of_inertia
       +
       +    Test.@test if1.lin_pos ≈ if2.lin_pos
       +    Test.@test if1.lin_vel ≈ if2.lin_vel
       +    Test.@test if1.lin_acc ≈ if2.lin_acc
       +    Test.@test if1.force ≈ if2.force
       +
       +    Test.@test if1.ang_pos ≈ if2.ang_pos
       +    Test.@test if1.ang_vel ≈ if2.ang_vel
       +    Test.@test if1.ang_acc ≈ if2.ang_acc
       +    Test.@test if1.torque ≈ if2.torque
       +
       +    Test.@test if1.fixed == if2.fixed
       +    Test.@test if1.rotating == if2.rotating
       +    Test.@test if1.enabled == if2.enabled
       +
       +    Test.@test if1.contact_stiffness_normal ≈ if2.contact_stiffness_normal
       +    Test.@test if1.contact_stiffness_tangential ≈ 
                if2.contact_stiffness_tangential
       -    Base.Test.@test if1.contact_viscosity_normal ≈ if2.contact_viscosity_normal
       -    Base.Test.@test if1.contact_viscosity_tangential ≈ 
       +    Test.@test if1.contact_viscosity_normal ≈ if2.contact_viscosity_normal
       +    Test.@test if1.contact_viscosity_tangential ≈ 
                if2.contact_viscosity_tangential
       -    Base.Test.@test if1.contact_static_friction ≈ if2.contact_static_friction
       -    Base.Test.@test if1.contact_dynamic_friction ≈ if2.contact_dynamic_friction
       -
       -    Base.Test.@test if1.youngs_modulus ≈ if2.youngs_modulus
       -    Base.Test.@test if1.poissons_ratio ≈ if2.poissons_ratio
       -    Base.Test.@test if1.tensile_strength ≈ if2.tensile_strength
       -    Base.Test.@test if1.tensile_heal_rate ≈ if2.tensile_heal_rate
       -    Base.Test.@test if1.compressive_strength_prefactor ≈
       +    Test.@test if1.contact_static_friction ≈ if2.contact_static_friction
       +    Test.@test if1.contact_dynamic_friction ≈ if2.contact_dynamic_friction
       +
       +    Test.@test if1.youngs_modulus ≈ if2.youngs_modulus
       +    Test.@test if1.poissons_ratio ≈ if2.poissons_ratio
       +    Test.@test if1.tensile_strength ≈ if2.tensile_strength
       +    Test.@test if1.tensile_heal_rate ≈ if2.tensile_heal_rate
       +    Test.@test if1.compressive_strength_prefactor ≈
                if2.compressive_strength_prefactor
        
       -    Base.Test.@test if1.ocean_drag_coeff_vert ≈ if2.ocean_drag_coeff_vert
       -    Base.Test.@test if1.ocean_drag_coeff_horiz ≈ if2.ocean_drag_coeff_horiz
       -    Base.Test.@test if1.atmosphere_drag_coeff_vert ≈ 
       +    Test.@test if1.ocean_drag_coeff_vert ≈ if2.ocean_drag_coeff_vert
       +    Test.@test if1.ocean_drag_coeff_horiz ≈ if2.ocean_drag_coeff_horiz
       +    Test.@test if1.atmosphere_drag_coeff_vert ≈ 
                if2.atmosphere_drag_coeff_vert
       -    Base.Test.@test if1.atmosphere_drag_coeff_horiz ≈ 
       +    Test.@test if1.atmosphere_drag_coeff_horiz ≈ 
                if2.atmosphere_drag_coeff_horiz
        
       -    Base.Test.@test if1.pressure ≈ if2.pressure
       -    Base.Test.@test if1.n_contacts == if2.n_contacts
       -    Base.Test.@test if1.ocean_grid_pos == if2.ocean_grid_pos
       -    Base.Test.@test if1.contacts == if2.contacts
       -    Base.Test.@test if1.position_vector == if2.position_vector
       -    Base.Test.@test if1.contact_parallel_displacement == 
       +    Test.@test if1.pressure ≈ if2.pressure
       +    Test.@test if1.n_contacts == if2.n_contacts
       +    Test.@test if1.ocean_grid_pos == if2.ocean_grid_pos
       +    Test.@test if1.contacts == if2.contacts
       +    Test.@test if1.position_vector == if2.position_vector
       +    Test.@test if1.contact_parallel_displacement == 
                if2.contact_parallel_displacement
       -    Base.Test.@test if1.contact_age ≈ if2.contact_age
       +    Test.@test if1.contact_age ≈ if2.contact_age
        
       -    Base.Test.@test if1.granular_stress ≈ if2.granular_stress
       -    Base.Test.@test if1.ocean_stress ≈ if2.ocean_stress
       -    Base.Test.@test if1.atmosphere_stress ≈ if2.atmosphere_stress
       +    Test.@test if1.granular_stress ≈ if2.granular_stress
       +    Test.@test if1.ocean_stress ≈ if2.ocean_stress
       +    Test.@test if1.atmosphere_stress ≈ if2.atmosphere_stress
            nothing
        end
        
 (DIR) diff --git a/src/ocean.jl b/src/ocean.jl
       t@@ -341,25 +341,25 @@ Compare values of two `Ocean` objects using the `Base.Test` framework.
        """
        function compareOceans(ocean1::Ocean, ocean2::Ocean)
        
       -    Base.Test.@test ocean1.input_file == ocean2.input_file
       -    Base.Test.@test ocean1.time ≈ ocean2.time
       +    Test.@test ocean1.input_file == ocean2.input_file
       +    Test.@test ocean1.time ≈ ocean2.time
        
       -    Base.Test.@test ocean1.xq ≈ ocean2.xq
       -    Base.Test.@test ocean1.yq ≈ ocean2.yq
       +    Test.@test ocean1.xq ≈ ocean2.xq
       +    Test.@test ocean1.yq ≈ ocean2.yq
        
       -    Base.Test.@test ocean1.xh ≈ ocean2.xh
       -    Base.Test.@test ocean1.yh ≈ ocean2.yh
       +    Test.@test ocean1.xh ≈ ocean2.xh
       +    Test.@test ocean1.yh ≈ ocean2.yh
        
       -    Base.Test.@test ocean1.zl ≈ ocean2.zl
       -    Base.Test.@test ocean1.zi ≈ ocean2.zi
       +    Test.@test ocean1.zl ≈ ocean2.zl
       +    Test.@test ocean1.zi ≈ ocean2.zi
        
       -    Base.Test.@test ocean1.u ≈ ocean2.u
       -    Base.Test.@test ocean1.v ≈ ocean2.v
       -    Base.Test.@test ocean1.h ≈ ocean2.h
       -    Base.Test.@test ocean1.e ≈ ocean2.e
       +    Test.@test ocean1.u ≈ ocean2.u
       +    Test.@test ocean1.v ≈ ocean2.v
       +    Test.@test ocean1.h ≈ ocean2.h
       +    Test.@test ocean1.e ≈ ocean2.e
        
            if isassigned(ocean1.grain_list, 1)
       -        Base.Test.@test ocean1.grain_list == ocean2.grain_list
       +        Test.@test ocean1.grain_list == ocean2.grain_list
            end
            nothing
        end
 (DIR) diff --git a/src/simulation.jl b/src/simulation.jl
       t@@ -252,16 +252,15 @@ Compare values of two `Simulation` objects using the `Base.Test` framework.
        """
        function compareSimulations(sim1::Simulation, sim2::Simulation)
        
       -    Base.Test.@test sim1.id == sim2.id
       +    Test.@test sim1.id == sim2.id
        
       -    Base.Test.@test sim1.time_iteration == sim2.time_iteration
       -    Base.Test.@test sim1.time ≈ sim2.time
       -    Base.Test.@test sim1.time_total ≈ sim2.time_total
       -    Base.Test.@test sim1.time_step ≈ sim2.time_step
       -    Base.Test.@test sim1.file_time_step ≈ sim2.file_time_step
       -    Base.Test.@test sim1.file_number == sim2.file_number
       -    Base.Test.@test sim1.file_time_since_output_file ≈ 
       -        sim2.file_time_since_output_file
       +    Test.@test sim1.time_iteration == sim2.time_iteration
       +    Test.@test sim1.time ≈ sim2.time
       +    Test.@test sim1.time_total ≈ sim2.time_total
       +    Test.@test sim1.time_step ≈ sim2.time_step
       +    Test.@test sim1.file_time_step ≈ sim2.file_time_step
       +    Test.@test sim1.file_number == sim2.file_number
       +    Test.@test sim1.file_time_since_output_file ≈ sim2.file_time_since_output_file
        
            for i=1:length(sim1.grains)
                compareGrains(sim1.grains[i], sim2.grains[i])
       t@@ -269,7 +268,7 @@ function compareSimulations(sim1::Simulation, sim2::Simulation)
            compareOceans(sim1.ocean, sim2.ocean)
            compareAtmospheres(sim1.atmosphere, sim2.atmosphere)
        
       -    Base.Test.@test sim1.Nc_max == sim2.Nc_max
       +    Test.@test sim1.Nc_max == sim2.Nc_max
            nothing
        end
        
 (DIR) diff --git a/test/atmosphere.jl b/test/atmosphere.jl
       t@@ -8,20 +8,20 @@ info("#### $(basename(@__FILE__)) ####")
        info("Testing regular grid generation")
        sim = Granular.createSimulation()
        sim.atmosphere = Granular.createRegularAtmosphereGrid([6, 6, 6], [1., 1., 1.])
       -@test size(sim.atmosphere.xq) == (7, 7)
       -@test size(sim.atmosphere.yq) == (7, 7)
       -@test size(sim.atmosphere.xh) == (6, 6)
       -@test size(sim.atmosphere.yh) == (6, 6)
       -@test sim.atmosphere.xq[1, :, 1] ≈ zeros(7)
       -@test sim.atmosphere.xq[4, :, 1] ≈ .5*ones(7)
       -@test sim.atmosphere.xq[end, :, 1] ≈ 1.*ones(7)
       -@test sim.atmosphere.yq[:, 1, 1] ≈ zeros(7)
       -@test sim.atmosphere.yq[:, 4, 1] ≈ .5*ones(7)
       -@test sim.atmosphere.yq[:, end, 1] ≈ 1.*ones(7)
       -@test size(sim.atmosphere.u) == (7, 7, 6, 1)
       -@test size(sim.atmosphere.v) == (7, 7, 6, 1)
       -@test sim.atmosphere.u ≈ zeros(7, 7, 6, 1)
       -@test sim.atmosphere.v ≈ zeros(7, 7, 6, 1)
       +Test.@test size(sim.atmosphere.xq) == (7, 7)
       +Test.@test size(sim.atmosphere.yq) == (7, 7)
       +Test.@test size(sim.atmosphere.xh) == (6, 6)
       +Test.@test size(sim.atmosphere.yh) == (6, 6)
       +Test.@test sim.atmosphere.xq[1, :, 1] ≈ zeros(7)
       +Test.@test sim.atmosphere.xq[4, :, 1] ≈ .5*ones(7)
       +Test.@test sim.atmosphere.xq[end, :, 1] ≈ 1.*ones(7)
       +Test.@test sim.atmosphere.yq[:, 1, 1] ≈ zeros(7)
       +Test.@test sim.atmosphere.yq[:, 4, 1] ≈ .5*ones(7)
       +Test.@test sim.atmosphere.yq[:, end, 1] ≈ 1.*ones(7)
       +Test.@test size(sim.atmosphere.u) == (7, 7, 6, 1)
       +Test.@test size(sim.atmosphere.v) == (7, 7, 6, 1)
       +Test.@test sim.atmosphere.u ≈ zeros(7, 7, 6, 1)
       +Test.@test sim.atmosphere.v ≈ zeros(7, 7, 6, 1)
        
        info("Testing velocity drag interaction (static atmosphere)")
        Granular.addGrainCylindrical!(sim, [.5, .5], .25, .1)
       t@@ -34,10 +34,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       -@test E_kin_lin_init > E_kin_lin_final  # linear velocity lost due to atmos drag
       -@test sim.grains[1].atmosphere_stress[1] < 0.
       -@test sim.grains[1].atmosphere_stress[2] ≈ 0.
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       +Test.@test E_kin_lin_init > E_kin_lin_final  # linear velocity lost due to atmos drag
       +Test.@test sim.grains[1].atmosphere_stress[1] < 0.
       +Test.@test sim.grains[1].atmosphere_stress[2] ≈ 0.
        
        info("Testing velocity drag interaction (static ice floe)")
        sim = deepcopy(sim_init)
       t@@ -47,10 +47,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       -@test E_kin_lin_init < E_kin_lin_final  # linear vel. gained due to atmos drag
       -@test sim.grains[1].atmosphere_stress[1] ≈ 0.
       -@test sim.grains[1].atmosphere_stress[2] > 0.
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       +Test.@test E_kin_lin_init < E_kin_lin_final  # linear vel. gained due to atmos drag
       +Test.@test sim.grains[1].atmosphere_stress[1] ≈ 0.
       +Test.@test sim.grains[1].atmosphere_stress[2] > 0.
        
        info("Testing vortex interaction (static atmosphere)")
        sim = deepcopy(sim_init)
       t@@ -60,10 +60,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_rot_init > E_kin_rot_final  # energy lost to atmosphere
       -@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test E_kin_rot_init > E_kin_rot_final  # energy lost to atmosphere
       +Test.@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        info("Testing vortex interaction (static ice floe)")
        sim = deepcopy(sim_init)
       t@@ -77,10 +77,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        sim = deepcopy(sim_init)
        sim.atmosphere = Granular.createRegularAtmosphereGrid([1, 1, 1], [1., 1., 1.])
       t@@ -93,10 +93,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        sim = deepcopy(sim_init)
        sim.atmosphere = Granular.createRegularAtmosphereGrid([1, 1, 1], [1., 1., 1.])
       t@@ -109,10 +109,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        sim = deepcopy(sim_init)
        sim.atmosphere = Granular.createRegularAtmosphereGrid([1, 1, 1], [1., 1., 1.])
       t@@ -125,10 +125,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to atm vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        sim = Granular.createSimulation()
        sim.atmosphere = Granular.createRegularAtmosphereGrid([6, 6, 6], [1., 1., 1.])
 (DIR) diff --git a/test/cohesion.jl b/test/cohesion.jl
       t@@ -19,7 +19,7 @@ sim = deepcopy(sim_init)
        Granular.setTotalTime!(sim, 10.)
        sim.time_step = 1.
        Granular.run!(sim, verbose=verbose)
       -@test sim.grains[1].contact_age[1] ≈ sim.time
       +Test.@test sim.grains[1].contact_age[1] ≈ sim.time
        
        info("# Check if bonds add tensile strength")
        sim = Granular.createSimulation(id="cohesion")
       t@@ -29,9 +29,9 @@ sim.grains[1].lin_vel[1] = 0.1
        Granular.setTimeStep!(sim)
        Granular.setTotalTime!(sim, 10.)
        Granular.run!(sim, verbose=verbose)
       -@test sim.grains[1].lin_vel[1] > 0.
       -@test sim.grains[1].lin_vel[2] ≈ 0.
       -@test sim.grains[2].lin_vel[1] > 0.
       -@test sim.grains[2].lin_vel[2] ≈ 0.
       -@test sim.grains[1].ang_vel ≈ 0.
       -@test sim.grains[2].ang_vel ≈ 0.
       +Test.@test sim.grains[1].lin_vel[1] > 0.
       +Test.@test sim.grains[1].lin_vel[2] ≈ 0.
       +Test.@test sim.grains[2].lin_vel[1] > 0.
       +Test.@test sim.grains[2].lin_vel[2] ≈ 0.
       +Test.@test sim.grains[1].ang_vel ≈ 0.
       +Test.@test sim.grains[2].ang_vel ≈ 0.
 (DIR) diff --git a/test/collision-2floes-normal.jl b/test/collision-2floes-normal.jl
       t@@ -31,8 +31,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
       t@@ -44,8 +44,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -58,8 +58,8 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("# Ice floes free to move")
       t@@ -86,8 +86,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
       t@@ -99,8 +99,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -113,8 +113,8 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("# Adding contact-normal viscosity")
       t@@ -146,8 +146,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -160,8 +160,8 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("# Ice floes free to move")
       t@@ -191,8 +191,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -205,5 +205,5 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
 (DIR) diff --git a/test/collision-2floes-oblique.jl b/test/collision-2floes-oblique.jl
       t@@ -35,8 +35,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
       t@@ -48,8 +48,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -61,8 +61,8 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor", verbose=verb
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        info("# Ice floes free to move")
        
       t@@ -90,8 +90,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
       t@@ -103,8 +103,8 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -117,8 +117,8 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        
        info("## Contact-normal elasticity and tangential viscosity and friction")
       t@@ -137,13 +137,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Two-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos ≈ 0.
       -@test sim.grains[2].ang_vel ≈ 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos ≈ 0.
       +Test.@test sim.grains[2].ang_vel ≈ 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol
        
        info("mu_d = 0.")
        sim = deepcopy(sim_init)
       t@@ -156,13 +156,13 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos ≈ 0.
       -@test sim.grains[1].ang_vel ≈ 0.
       -@test sim.grains[2].ang_pos ≈ 0.
       +Test.@test sim.grains[1].ang_pos ≈ 0.
       +Test.@test sim.grains[1].ang_vel ≈ 0.
       +Test.@test sim.grains[2].ang_pos ≈ 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -172,13 +172,13 @@ info("Relative tolerance: $(tol*100.)%")
        Granular.run!(sim, temporal_integration_method="Two-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos ≈ 0.
       -@test sim.grains[2].ang_vel ≈ 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos ≈ 0.
       +Test.@test sim.grains[2].ang_vel ≈ 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -189,13 +189,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos ≈ 0.
       -@test sim.grains[2].ang_vel ≈ 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos ≈ 0.
       +Test.@test sim.grains[2].ang_vel ≈ 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol
        
        info("# Ice floes free to move")
        
       t@@ -222,13 +222,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Two-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -240,7 +240,7 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -251,13 +251,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("# Ice floes free to move, mirrored")
       t@@ -285,13 +285,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Two-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos > 0.
       -@test sim.grains[1].ang_vel > 0.
       -@test sim.grains[2].ang_pos > 0.
       -@test sim.grains[2].ang_vel > 0.
       +Test.@test sim.grains[1].ang_pos > 0.
       +Test.@test sim.grains[1].ang_vel > 0.
       +Test.@test sim.grains[2].ang_pos > 0.
       +Test.@test sim.grains[2].ang_vel > 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -303,7 +303,7 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -314,13 +314,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos > 0.
       -@test sim.grains[1].ang_vel > 0.
       -@test sim.grains[2].ang_pos > 0.
       -@test sim.grains[2].ang_vel > 0.
       +Test.@test sim.grains[1].ang_pos > 0.
       +Test.@test sim.grains[1].ang_vel > 0.
       +Test.@test sim.grains[2].ang_pos > 0.
       +Test.@test sim.grains[2].ang_vel > 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("# Ice floes free to move, mirrored #2")
       t@@ -346,13 +346,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Two-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -364,7 +364,7 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -375,13 +375,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("# Tangential elasticity, no tangential viscosity, no Coulomb slip")
       t@@ -415,13 +415,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Two-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        info("Testing kinetic energy conservation with Two-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -433,7 +433,7 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
       t@@ -444,13 +444,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
       +Test.@test E_kin_lin_init+E_kin_rot_init ≈ E_kin_lin_final+E_kin_rot_final atol=E_kin_lin_init*tol 
        
        
        info("# Tangential elasticity, no tangential viscosity, Coulomb slip")
       t@@ -487,7 +487,7 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
       +Test.@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -497,13 +497,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
       +Test.@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
        
        
        info("# Tangential elasticity, tangential viscosity, no Coulomb slip")
       t@@ -540,7 +540,7 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
       +Test.@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -550,13 +550,13 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
       +Test.@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
        
        
        info("# Tangential elasticity, tangential viscosity, Coulomb slip")
       t@@ -593,7 +593,7 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
       +Test.@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
        
        info("Testing kinetic energy conservation with Three-term Taylor scheme")
        sim = deepcopy(sim_init)
       t@@ -603,10 +603,10 @@ info("Relative tolerance: $(tol*100.)% with time step: $(sim.time_step)")
        Granular.run!(sim, temporal_integration_method="Three-term Taylor",
                    verbose=verbose)
        
       -@test sim.grains[1].ang_pos < 0.
       -@test sim.grains[1].ang_vel < 0.
       -@test sim.grains[2].ang_pos < 0.
       -@test sim.grains[2].ang_vel < 0.
       +Test.@test sim.grains[1].ang_pos < 0.
       +Test.@test sim.grains[1].ang_vel < 0.
       +Test.@test sim.grains[2].ang_pos < 0.
       +Test.@test sim.grains[2].ang_vel < 0.
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
       +Test.@test E_kin_lin_init+E_kin_rot_init > E_kin_lin_final+E_kin_rot_final
 (DIR) diff --git a/test/collision-5floes-normal.jl b/test/collision-5floes-normal.jl
       t@@ -37,12 +37,12 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       -@test 0. < norm(sim.grains[1].lin_vel)
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test 0. < norm(sim.grains[1].lin_vel)
        for i=2:5
            info("testing ice floe $i")
       -    @test 0. ≈ norm(sim.grains[i].lin_vel)
       +    Test.@test 0. ≈ norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -55,12 +55,12 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       -@test 0. < norm(sim.grains[1].lin_vel)
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test 0. < norm(sim.grains[1].lin_vel)
        for i=2:5
            info("testing ice floe $i")
       -    @test 0. ≈ norm(sim.grains[i].lin_vel)
       +    Test.@test 0. ≈ norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -74,12 +74,12 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       -@test 0. < norm(sim.grains[1].lin_vel)
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test 0. < norm(sim.grains[1].lin_vel)
        for i=2:5
            info("testing ice floe $i")
       -    @test 0. ≈ norm(sim.grains[i].lin_vel)
       +    Test.@test 0. ≈ norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -110,11 +110,11 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        for i=1:5
            info("testing ice floe $i")
       -    @test 0. < norm(sim.grains[i].lin_vel)
       +    Test.@test 0. < norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -127,11 +127,11 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        for i=1:5
            info("testing ice floe $i")
       -    @test 0. < norm(sim.grains[i].lin_vel)
       +    Test.@test 0. < norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -145,11 +145,11 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final atol=E_kin_lin_init*tol
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        for i=1:5
            info("testing ice floe $i")
       -    @test 0. < norm(sim.grains[i].lin_vel)
       +    Test.@test 0. < norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -191,12 +191,12 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       -@test 0. < norm(sim.grains[1].lin_vel)
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test 0. < norm(sim.grains[1].lin_vel)
        for i=2:5
            info("testing ice floe $i")
       -    @test 0. ≈ norm(sim.grains[i].lin_vel)
       +    Test.@test 0. ≈ norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -210,12 +210,12 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       -@test 0. < norm(sim.grains[1].lin_vel)
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test 0. < norm(sim.grains[1].lin_vel)
        for i=2:5
            info("testing ice floe $i")
       -    @test 0. ≈ norm(sim.grains[i].lin_vel)
       +    Test.@test 0. ≈ norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -252,11 +252,11 @@ Granular.run!(sim, temporal_integration_method="Two-term Taylor", verbose=verbos
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        for i=1:5
            info("testing ice floe $i")
       -    @test 0. < norm(sim.grains[i].lin_vel)
       +    Test.@test 0. < norm(sim.grains[i].lin_vel)
        end
        
        
       t@@ -270,9 +270,9 @@ Granular.run!(sim, temporal_integration_method="Three-term Taylor",
        
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_lin_init > E_kin_lin_final
       -@test E_kin_rot_init ≈ E_kin_rot_final
       +Test.@test E_kin_lin_init > E_kin_lin_final
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final
        for i=1:5
            info("testing ice floe $i")
       -    @test 0. < norm(sim.grains[i].lin_vel)
       +    Test.@test 0. < norm(sim.grains[i].lin_vel)
        end
 (DIR) diff --git a/test/contact-search-and-geometry.jl b/test/contact-search-and-geometry.jl
       t@@ -12,8 +12,8 @@ Granular.addGrainCylindrical!(sim, [18., 0.], 10., 1., verbose=false)
        position_ij = Granular.interGrainPositionVector(sim, 1, 2)
        overlap_ij = Granular.findOverlap(sim, 1, 2, position_ij)
        
       -@test [-18., 0.] ≈ position_ij
       -@test -2. ≈ overlap_ij
       +Test.@test [-18., 0.] ≈ position_ij
       +Test.@test -2. ≈ overlap_ij
        
        
        info("Testing findContactsAllToAll(...)")
       t@@ -27,75 +27,75 @@ Granular.findContacts!(sim)
        
        sim.grains[1].fixed = true
        # The contact should be registered in ice floe 1, but not ice floe 2
       -@test 2 == sim.grains[1].contacts[1]
       -@test [-18., 0.] ≈ sim.grains[1].position_vector[1]
       +Test.@test 2 == sim.grains[1].contacts[1]
       +Test.@test [-18., 0.] ≈ sim.grains[1].position_vector[1]
        for ic=2:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 1 == sim.grains[1].n_contacts
       -@test 1 == sim.grains[2].n_contacts
       +Test.@test 1 == sim.grains[1].n_contacts
       +Test.@test 1 == sim.grains[2].n_contacts
        
        info("Testing findContacts(...)")
        sim = deepcopy(sim_copy)
        Granular.findContacts!(sim)
        
       -@test 2 == sim.grains[1].contacts[1]
       -@test [-18., 0.] ≈ sim.grains[1].position_vector[1]
       +Test.@test 2 == sim.grains[1].contacts[1]
       +Test.@test [-18., 0.] ≈ sim.grains[1].position_vector[1]
        for ic=2:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 1 == sim.grains[1].n_contacts
       -@test 1 == sim.grains[2].n_contacts
       +Test.@test 1 == sim.grains[1].n_contacts
       +Test.@test 1 == sim.grains[2].n_contacts
        
       -@test_throws ErrorException Granular.findContacts!(sim, method="")
       +Test.@test_throws ErrorException Granular.findContacts!(sim, method="")
        
        sim = deepcopy(sim_copy)
        sim.grains[1].fixed = true
        sim.grains[2].fixed = true
        Granular.findContacts!(sim)
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 0 == sim.grains[1].n_contacts
       -@test 0 == sim.grains[2].n_contacts
       +Test.@test 0 == sim.grains[1].n_contacts
       +Test.@test 0 == sim.grains[2].n_contacts
        
        
        sim = deepcopy(sim_copy)
        Granular.disableGrain!(sim, 1)
        Granular.findContacts!(sim)
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 0 == sim.grains[1].n_contacts
       -@test 0 == sim.grains[2].n_contacts
       +Test.@test 0 == sim.grains[1].n_contacts
       +Test.@test 0 == sim.grains[2].n_contacts
        
        
        sim = deepcopy(sim_copy)
       t@@ -103,17 +103,17 @@ Granular.disableGrain!(sim, 1)
        Granular.disableGrain!(sim, 2)
        Granular.findContacts!(sim)
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 0 == sim.grains[1].n_contacts
       -@test 0 == sim.grains[2].n_contacts
       +Test.@test 0 == sim.grains[1].n_contacts
       +Test.@test 0 == sim.grains[2].n_contacts
        
        info("Testing if interact(...) removes contacts correctly")
        sim = deepcopy(sim_copy)
       t@@ -121,20 +121,20 @@ Granular.findContacts!(sim)
        Granular.interact!(sim)
        Granular.findContacts!(sim)
        
       -@test 2 == sim.grains[1].contacts[1]
       -@test [-18., 0.] ≈ sim.grains[1].position_vector[1]
       +Test.@test 2 == sim.grains[1].contacts[1]
       +Test.@test [-18., 0.] ≈ sim.grains[1].position_vector[1]
        for ic=2:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 1 == sim.grains[1].n_contacts
       -@test 1 == sim.grains[2].n_contacts
       +Test.@test 1 == sim.grains[1].n_contacts
       +Test.@test 1 == sim.grains[2].n_contacts
        
        
        info("Testing findContactsGrid(...)")
       t@@ -143,19 +143,19 @@ sim.ocean = Granular.createRegularOceanGrid([4, 4, 2], [80., 80., 2.])
        Granular.sortGrainsInGrid!(sim, sim.ocean)
        Granular.findContactsInGrid!(sim, sim.ocean)
        
       -@test 2 == sim.grains[1].contacts[1]
       +Test.@test 2 == sim.grains[1].contacts[1]
        for ic=2:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 1 == sim.grains[1].n_contacts
       -@test 1 == sim.grains[2].n_contacts
       +Test.@test 1 == sim.grains[1].n_contacts
       +Test.@test 1 == sim.grains[2].n_contacts
        
        
        sim = deepcopy(sim_copy)
       t@@ -164,19 +164,19 @@ sim.grains[1].fixed = true
        Granular.sortGrainsInGrid!(sim, sim.ocean)
        Granular.findContactsInGrid!(sim, sim.ocean)
        
       -@test 2 == sim.grains[1].contacts[1]
       +Test.@test 2 == sim.grains[1].contacts[1]
        for ic=2:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 1 == sim.grains[1].n_contacts
       -@test 1 == sim.grains[2].n_contacts
       +Test.@test 1 == sim.grains[1].n_contacts
       +Test.@test 1 == sim.grains[2].n_contacts
        
        
        sim = deepcopy(sim_copy)
       t@@ -187,17 +187,17 @@ Granular.sortGrainsInGrid!(sim, sim.ocean)
        Granular.findContactsInGrid!(sim, sim.ocean)
        
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 0 == sim.grains[1].n_contacts
       -@test 0 == sim.grains[2].n_contacts
       +Test.@test 0 == sim.grains[1].n_contacts
       +Test.@test 0 == sim.grains[2].n_contacts
        
        info("Testing findContacts(...)")
        sim = deepcopy(sim_copy)
       t@@ -205,21 +205,21 @@ sim.ocean = Granular.createRegularOceanGrid([4, 4, 2], [80., 80., 2.])
        Granular.sortGrainsInGrid!(sim, sim.ocean)
        Granular.findContacts!(sim)
        
       -@test 2 == sim.grains[1].contacts[1]
       +Test.@test 2 == sim.grains[1].contacts[1]
        for ic=2:sim.Nc_max
       -    @test 0 == sim.grains[1].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[1].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[1].contact_parallel_displacement[ic]
        end
        for ic=1:sim.Nc_max
       -    @test 0 == sim.grains[2].contacts[ic]
       -    @test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       -    @test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
       +    Test.@test 0 == sim.grains[2].contacts[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].position_vector[ic]
       +    Test.@test [0., 0.] ≈ sim.grains[2].contact_parallel_displacement[ic]
        end
       -@test 1 == sim.grains[1].n_contacts
       -@test 1 == sim.grains[2].n_contacts
       +Test.@test 1 == sim.grains[1].n_contacts
       +Test.@test 1 == sim.grains[2].n_contacts
        
       -@test_throws ErrorException Granular.findContacts!(sim, method="")
       +Test.@test_throws ErrorException Granular.findContacts!(sim, method="")
        
        info("Testing contact registration with multiple contacts")
        sim = Granular.createSimulation(id="test")
       t@@ -235,32 +235,32 @@ Granular.addGrainCylindrical!(sim, [6., 6.], 1.01, 1., verbose=false)
        sim.ocean = Granular.createRegularOceanGrid([4, 4, 2], [8., 8., 2.])
        Granular.sortGrainsInGrid!(sim, sim.ocean)
        Granular.findContacts!(sim)
       -@test 2 == sim.grains[1].n_contacts
       -@test 3 == sim.grains[2].n_contacts
       -@test 2 == sim.grains[3].n_contacts
       -@test 3 == sim.grains[4].n_contacts
       -@test 4 == sim.grains[5].n_contacts
       -@test 3 == sim.grains[6].n_contacts
       -@test 2 == sim.grains[7].n_contacts
       -@test 3 == sim.grains[8].n_contacts
       -@test 2 == sim.grains[9].n_contacts
       +Test.@test 2 == sim.grains[1].n_contacts
       +Test.@test 3 == sim.grains[2].n_contacts
       +Test.@test 2 == sim.grains[3].n_contacts
       +Test.@test 3 == sim.grains[4].n_contacts
       +Test.@test 4 == sim.grains[5].n_contacts
       +Test.@test 3 == sim.grains[6].n_contacts
       +Test.@test 2 == sim.grains[7].n_contacts
       +Test.@test 3 == sim.grains[8].n_contacts
       +Test.@test 2 == sim.grains[9].n_contacts
        Granular.interact!(sim)
        Granular.interact!(sim)
        Granular.interact!(sim)
        Granular.interact!(sim)
       -@test 2 == sim.grains[1].n_contacts
       -@test 3 == sim.grains[2].n_contacts
       -@test 2 == sim.grains[3].n_contacts
       -@test 3 == sim.grains[4].n_contacts
       -@test 4 == sim.grains[5].n_contacts
       -@test 3 == sim.grains[6].n_contacts
       -@test 2 == sim.grains[7].n_contacts
       -@test 3 == sim.grains[8].n_contacts
       -@test 2 == sim.grains[9].n_contacts
       +Test.@test 2 == sim.grains[1].n_contacts
       +Test.@test 3 == sim.grains[2].n_contacts
       +Test.@test 2 == sim.grains[3].n_contacts
       +Test.@test 3 == sim.grains[4].n_contacts
       +Test.@test 4 == sim.grains[5].n_contacts
       +Test.@test 3 == sim.grains[6].n_contacts
       +Test.@test 2 == sim.grains[7].n_contacts
       +Test.@test 3 == sim.grains[8].n_contacts
       +Test.@test 2 == sim.grains[9].n_contacts
        for i=1:9
            sim.grains[i].contact_radius = 0.99
        end
        Granular.interact!(sim)
        for i=1:9
       -    @test sim.grains[i].n_contacts == 0
       +    Test.@test sim.grains[i].n_contacts == 0
        end
 (DIR) diff --git a/test/grain.jl b/test/grain.jl
       t@@ -10,19 +10,19 @@ Granular.addGrainCylindrical!(sim, [ 0., 0.], 10., 1., verbose=false)
        Granular.printGrainInfo(sim.grains[1])
        
        
       -@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1, .1],
       +Test.@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1, .1],
                                                                  10., 1.)
       -@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
       +Test.@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
                                                                  10., 1., 
                                                                  lin_vel=[.2,.2,.2])
       -@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
       +Test.@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
                                                                  10., 1., 
                                                                  lin_acc=[.2,.2,.2])
       -@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
       +Test.@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
                                                                  0., 1.)
       -@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
       +Test.@test_throws ErrorException Granular.addGrainCylindrical!(sim, [.1, .1],
                                                                  10., 1., density=-2.)
       -@test_throws ErrorException Granular.disableGrain!(sim, 0)
       +Test.@test_throws ErrorException Granular.disableGrain!(sim, 0)
        
        sim = Granular.createSimulation(id="test")
        Granular.addGrainCylindrical!(sim, [ 0., 0.], 10., 1., verbose=false)
       t@@ -38,7 +38,7 @@ if typeof(Pkg.installed("PyPlot")) == VersionNumber
            rm("test-grain-size-distribution.png")
            Granular.plotGrainSizeDistribution(sim, size_type="areal")
            rm("test-grain-size-distribution.png")
       -    @test_throws ErrorException Granular.plotGrainSizeDistribution(sim, size_type="asdf")
       +    Test.@test_throws ErrorException Granular.plotGrainSizeDistribution(sim, size_type="asdf")
        else
       -    @test_throws ErrorException Granular.plotGrainSizeDistribution(sim)
       +    Test.@test_throws ErrorException Granular.plotGrainSizeDistribution(sim)
        end
 (DIR) diff --git a/test/grid.jl b/test/grid.jl
       t@@ -10,76 +10,76 @@ ocean = Granular.readOceanNetCDF("Baltic/00010101.ocean_month.nc",
        
        info("Testing coordinate retrieval functions")
        sw, se, ne, nw = Granular.getCellCornerCoordinates(ocean.xq, ocean.yq, 1, 1)
       -@test sw ≈ [6., 53.]
       -@test se ≈ [7., 53.]
       -@test ne ≈ [7., 54.]
       -@test nw ≈ [6., 54.]
       -@test Granular.getCellCenterCoordinates(ocean.xh, ocean.yh, 1, 1) ≈ [6.5, 53.5]
       +Test.@test sw ≈ [6., 53.]
       +Test.@test se ≈ [7., 53.]
       +Test.@test ne ≈ [7., 54.]
       +Test.@test nw ≈ [6., 54.]
       +Test.@test Granular.getCellCenterCoordinates(ocean.xh, ocean.yh, 1, 1) ≈ [6.5, 53.5]
        
        info("Testing area-determination methods")
       -@test Granular.areaOfTriangle([0., 0.], [1., 0.], [0., 1.]) ≈ .5
       -@test Granular.areaOfTriangle([1., 0.], [0., 1.], [0., 0.]) ≈ .5
       -@test Granular.areaOfQuadrilateral([1., 0.], [0., 1.], [0., 0.], [1., 1.]) ≈ 1.
       +Test.@test Granular.areaOfTriangle([0., 0.], [1., 0.], [0., 1.]) ≈ .5
       +Test.@test Granular.areaOfTriangle([1., 0.], [0., 1.], [0., 0.]) ≈ .5
       +Test.@test Granular.areaOfQuadrilateral([1., 0.], [0., 1.], [0., 0.], [1., 1.]) ≈ 1.
        
        info("Testing area-based cell content determination")
       -@test Granular.isPointInCell(ocean, 1, 1, [6.5, 53.5], sw, se, ne, nw) == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.5, 53.5]) == true
       -@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.5, 53.5]) ≈
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.5, 53.5], sw, se, ne, nw) == true
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.5, 53.5]) == true
       +Test.@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.5, 53.5]) ≈
            [.5, .5]
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.5], sw, se, ne, nw) == true
       -@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.1, 53.5]) ≈
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.5], sw, se, ne, nw) == true
       +Test.@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.1, 53.5]) ≈
            [.1, .5]
       -@test Granular.isPointInCell(ocean, 1, 1, [6.0, 53.5], sw, se, ne, nw) == true
       -@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.0, 53.5]) ≈
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.0, 53.5], sw, se, ne, nw) == true
       +Test.@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.0, 53.5]) ≈
            [.0, .5]
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.7], sw, se, ne, nw) == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.9], sw, se, ne, nw) == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.99999], sw, se, ne, nw) == true
       -@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.1, 53.99999]) ≈
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.7], sw, se, ne, nw) == true
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.9], sw, se, ne, nw) == true
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.99999], sw, se, ne, nw) == true
       +Test.@test Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [6.1, 53.99999]) ≈
            [.1, .99999]
       -@test Granular.isPointInCell(ocean, 1, 1, [7.5, 53.5], sw, se, ne, nw) == false
       -@test Granular.isPointInCell(ocean, 1, 1, [0.0, 53.5], sw, se, ne, nw) == false
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [7.5, 53.5], sw, se, ne, nw) == false
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [0.0, 53.5], sw, se, ne, nw) == false
        x_tilde, _ = Granular.getNonDimensionalCellCoordinates(ocean, 1, 1, [0., 53.5])
       -@test x_tilde < 0.
       +Test.@test x_tilde < 0.
        
        info("Testing conformal mapping methods")
       -@test Granular.conformalQuadrilateralCoordinates([0., 0.],
       +Test.@test Granular.conformalQuadrilateralCoordinates([0., 0.],
                                                       [5., 0.],
                                                       [5., 3.],
                                                       [0., 3.],
                                                       [2.5, 1.5]) ≈ [0.5, 0.5]
       -@test Granular.conformalQuadrilateralCoordinates([0., 0.],
       +Test.@test Granular.conformalQuadrilateralCoordinates([0., 0.],
                                                       [5., 0.],
                                                       [5., 3.],
                                                       [0., 3.],
                                                       [7.5, 1.5]) ≈ [1.5, 0.5]
       -@test Granular.conformalQuadrilateralCoordinates([0., 0.],
       +Test.@test Granular.conformalQuadrilateralCoordinates([0., 0.],
                                                       [5., 0.],
                                                       [5., 3.],
                                                       [0., 3.],
                                                       [7.5,-1.5]) ≈ [1.5,-0.5]
       -@test_throws ErrorException Granular.conformalQuadrilateralCoordinates([0., 0.],
       +Test.@test_throws ErrorException Granular.conformalQuadrilateralCoordinates([0., 0.],
                                                                             [5., 3.],
                                                                             [0., 3.],
                                                                             [5., 0.],
                                                                             [7.5,-1.5])
        
        info("Checking cell content using conformal mapping methods")
       -@test Granular.isPointInCell(ocean, 1, 1, [6.4, 53.4], sw, se, ne, nw, 
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.4, 53.4], sw, se, ne, nw, 
                                   method="Conformal") == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.5], sw, se, ne, nw, 
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.5], sw, se, ne, nw, 
                                   method="Conformal") == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.0, 53.5], sw, se, ne, nw, 
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.0, 53.5], sw, se, ne, nw, 
                                   method="Conformal") == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.7], sw, se, ne, nw, 
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.7], sw, se, ne, nw, 
                                   method="Conformal") == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.9], sw, se, ne, nw, 
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.9], sw, se, ne, nw, 
                                   method="Conformal") == true
       -@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.99999], sw, se, ne, nw,
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [6.1, 53.99999], sw, se, ne, nw,
                                   method="Conformal") == true
       -@test Granular.isPointInCell(ocean, 1, 1, [7.5, 53.5], sw, se, ne, nw,
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [7.5, 53.5], sw, se, ne, nw,
                                   method="Conformal") == false
       -@test Granular.isPointInCell(ocean, 1, 1, [0.0, 53.5], sw, se, ne, nw,
       +Test.@test Granular.isPointInCell(ocean, 1, 1, [0.0, 53.5], sw, se, ne, nw,
                                   method="Conformal") == false
        
        info("Testing bilinear interpolation scheme on conformal mapping")
       t@@ -92,36 +92,36 @@ Granular.bilinearInterpolation!(val, ocean.u[:,:,1,1], ocean.u[:,:,1,1],
                                      .5, .5, 1, 1)
        @time Granular.bilinearInterpolation!(val, ocean.u[:,:,1,1], ocean.u[:,:,1,1], .5, 
                                      .5, 1, 1)
       -@test val[1] ≈ .5
       -@test val[2] ≈ .5
       +Test.@test val[1] ≈ .5
       +Test.@test val[2] ≈ .5
        Granular.bilinearInterpolation!(val, ocean.u[:,:,1,1], ocean.u[:,:,1,1], 1., 1., 
        1, 1)
       -@test val[1] ≈ .0
       -@test val[2] ≈ .0
       +Test.@test val[1] ≈ .0
       +Test.@test val[2] ≈ .0
        Granular.bilinearInterpolation!(val, ocean.u[:,:,1,1], ocean.u[:,:,1,1], 0., 0., 
        1, 1)
       -@test val[1] ≈ 1.
       -@test val[2] ≈ 1.
       +Test.@test val[1] ≈ 1.
       +Test.@test val[2] ≈ 1.
        Granular.bilinearInterpolation!(val, ocean.u[:,:,1,1], ocean.u[:,:,1,1], .25, .25, 
        1, 1)
       -@test val[1] ≈ .75
       -@test val[2] ≈ .75
       +Test.@test val[1] ≈ .75
       +Test.@test val[2] ≈ .75
        Granular.bilinearInterpolation!(val, ocean.u[:,:,1,1], ocean.u[:,:,1,1], .75, .75, 
        1, 1)
       -@test val[1] ≈ .25
       -@test val[2] ≈ .25
       +Test.@test val[1] ≈ .25
       +Test.@test val[2] ≈ .25
        
        info("Testing cell binning - Area-based approach")
       -@test Granular.findCellContainingPoint(ocean, [6.2,53.4], method="Area") == (1, 1)
       -@test Granular.findCellContainingPoint(ocean, [7.2,53.4], method="Area") == (2, 1)
       -@test Granular.findCellContainingPoint(ocean, [0.2,53.4], method="Area") == (0, 0)
       +Test.@test Granular.findCellContainingPoint(ocean, [6.2,53.4], method="Area") == (1, 1)
       +Test.@test Granular.findCellContainingPoint(ocean, [7.2,53.4], method="Area") == (2, 1)
       +Test.@test Granular.findCellContainingPoint(ocean, [0.2,53.4], method="Area") == (0, 0)
        
        info("Testing cell binning - Conformal mapping")
       -@test Granular.findCellContainingPoint(ocean, [6.2,53.4], method="Conformal") == 
       +Test.@test Granular.findCellContainingPoint(ocean, [6.2,53.4], method="Conformal") == 
            (1, 1)
       -@test Granular.findCellContainingPoint(ocean, [7.2,53.4], method="Conformal") == 
       +Test.@test Granular.findCellContainingPoint(ocean, [7.2,53.4], method="Conformal") == 
            (2, 1)
       -@test Granular.findCellContainingPoint(ocean, [0.2, 53.4], method="Conformal") ==
       +Test.@test Granular.findCellContainingPoint(ocean, [0.2, 53.4], method="Conformal") ==
            (0, 0)
        
        sim = Granular.createSimulation()
       t@@ -131,11 +131,11 @@ Granular.addGrainCylindrical!(sim, [6.5, 53.5], 10., 1., verbose=verbose)
        Granular.addGrainCylindrical!(sim, [6.6, 53.5], 10., 1., verbose=verbose)
        Granular.addGrainCylindrical!(sim, [7.5, 53.5], 10., 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
       -@test sim.grains[1].ocean_grid_pos == [1, 1]
       -@test sim.grains[2].ocean_grid_pos == [1, 1]
       -@test sim.grains[3].ocean_grid_pos == [2, 1]
       -@test sim.ocean.grain_list[1, 1] == [1, 2]
       -@test sim.ocean.grain_list[2, 1] == [3]
       +Test.@test sim.grains[1].ocean_grid_pos == [1, 1]
       +Test.@test sim.grains[2].ocean_grid_pos == [1, 1]
       +Test.@test sim.grains[3].ocean_grid_pos == [2, 1]
       +Test.@test sim.ocean.grain_list[1, 1] == [1, 2]
       +Test.@test sim.ocean.grain_list[2, 1] == [3]
        
        info("Testing ocean drag")
        sim = Granular.createSimulation()
       t@@ -146,10 +146,10 @@ Granular.addGrainCylindrical!(sim, [2.6, 2.5], 1., 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        sim.time = ocean.time[1]
        Granular.addOceanDrag!(sim)
       -@test sim.grains[1].force[1] > 0.
       -@test sim.grains[1].force[2] ≈ 0.
       -@test sim.grains[2].force[1] > 0.
       -@test sim.grains[2].force[2] ≈ 0.
       +Test.@test sim.grains[1].force[1] > 0.
       +Test.@test sim.grains[1].force[2] ≈ 0.
       +Test.@test sim.grains[2].force[1] > 0.
       +Test.@test sim.grains[2].force[2] ≈ 0.
        sim.ocean.u[:,:,1,1] = -5.
        sim.ocean.v[:,:,1,1] = 5.
        Granular.addGrainCylindrical!(sim, [2.5, 3.5], 1., 1., verbose=verbose)
       t@@ -157,10 +157,10 @@ Granular.addGrainCylindrical!(sim, [2.6, 2.5], 1., 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        sim.time = ocean.time[1]
        Granular.addOceanDrag!(sim)
       -@test sim.grains[1].force[1] < 0.
       -@test sim.grains[1].force[2] > 0.
       -@test sim.grains[2].force[1] < 0.
       -@test sim.grains[2].force[2] > 0.
       +Test.@test sim.grains[1].force[1] < 0.
       +Test.@test sim.grains[1].force[2] > 0.
       +Test.@test sim.grains[2].force[1] < 0.
       +Test.@test sim.grains[2].force[2] > 0.
        
        info("Testing curl function")
        ocean.u[1, 1, 1, 1] = 1.0
       t@@ -172,14 +172,14 @@ sw = Vector{Float64}(2)
        se = Vector{Float64}(2)
        ne = Vector{Float64}(2)
        nw = Vector{Float64}(2)
       -@test Granular.curl(ocean, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) > 0.
       +Test.@test Granular.curl(ocean, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) > 0.
        
        ocean.u[1, 1, 1, 1] = 0.0
        ocean.u[2, 1, 1, 1] = 0.0
        ocean.u[2, 2, 1, 1] = 1.0
        ocean.u[1, 2, 1, 1] = 1.0
        ocean.v[:, :, 1, 1] = 0.0
       -@test Granular.curl(ocean, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) < 0.
       +Test.@test Granular.curl(ocean, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) < 0.
        
        info("Testing atmosphere drag")
        sim = Granular.createSimulation()
       t@@ -191,10 +191,10 @@ Granular.addGrainCylindrical!(sim, [2.6, 2.5], 1., 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.atmosphere, verbose=verbose)
        sim.time = ocean.time[1]
        Granular.addAtmosphereDrag!(sim)
       -@test sim.grains[1].force[1] > 0.
       -@test sim.grains[1].force[2] ≈ 0.
       -@test sim.grains[2].force[1] > 0.
       -@test sim.grains[2].force[2] ≈ 0.
       +Test.@test sim.grains[1].force[1] > 0.
       +Test.@test sim.grains[1].force[2] ≈ 0.
       +Test.@test sim.grains[2].force[1] > 0.
       +Test.@test sim.grains[2].force[2] ≈ 0.
        sim.atmosphere.u[:,:,1,1] = -5.
        sim.atmosphere.v[:,:,1,1] = 5.
        Granular.addGrainCylindrical!(sim, [2.5, 3.5], 1., 1., verbose=verbose)
       t@@ -202,10 +202,10 @@ Granular.addGrainCylindrical!(sim, [2.6, 2.5], 1., 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.atmosphere, verbose=verbose)
        sim.time = ocean.time[1]
        Granular.addAtmosphereDrag!(sim)
       -@test sim.grains[1].force[1] < 0.
       -@test sim.grains[1].force[2] > 0.
       -@test sim.grains[2].force[1] < 0.
       -@test sim.grains[2].force[2] > 0.
       +Test.@test sim.grains[1].force[1] < 0.
       +Test.@test sim.grains[1].force[2] > 0.
       +Test.@test sim.grains[2].force[1] < 0.
       +Test.@test sim.grains[2].force[2] > 0.
        
        info("Testing curl function")
        atmosphere.u[1, 1, 1, 1] = 1.0
       t@@ -213,16 +213,16 @@ atmosphere.u[2, 1, 1, 1] = 1.0
        atmosphere.u[2, 2, 1, 1] = 0.0
        atmosphere.u[1, 2, 1, 1] = 0.0
        atmosphere.v[:, :, 1, 1] = 0.0
       -@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1) > 0.
       -@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) > 0.
       +Test.@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1) > 0.
       +Test.@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) > 0.
        
        atmosphere.u[1, 1, 1, 1] = 0.0
        atmosphere.u[2, 1, 1, 1] = 0.0
        atmosphere.u[2, 2, 1, 1] = 1.0
        atmosphere.u[1, 2, 1, 1] = 1.0
        atmosphere.v[:, :, 1, 1] = 0.0
       -@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1) < 0.
       -@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) < 0.
       +Test.@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1) < 0.
       +Test.@test Granular.curl(atmosphere, .5, .5, 1, 1, 1, 1, sw, se, ne, nw) < 0.
        
        
        info("Testing findEmptyPositionInGridCell")
       t@@ -232,8 +232,8 @@ sim.ocean = Granular.createRegularOceanGrid([4, 4, 2], [4., 4., 2.])
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        pos = Granular.findEmptyPositionInGridCell(sim, sim.ocean, 1, 1, 0.5, 
                                                 verbose=true)
       -@test pos != false
       -@test Granular.isPointInCell(sim.ocean, 1, 1, pos) == true
       +Test.@test pos != false
       +Test.@test Granular.isPointInCell(sim.ocean, 1, 1, pos) == true
        
        info("# Insert into cell with one other ice floe")
        sim = Granular.createSimulation()
       t@@ -242,8 +242,8 @@ Granular.addGrainCylindrical!(sim, [.25, .25], .25, 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        pos = Granular.findEmptyPositionInGridCell(sim, sim.ocean, 1, 1, .25, 
                                                 verbose=true)
       -@test pos != false
       -@test Granular.isPointInCell(sim.ocean, 1, 1, pos) == true
       +Test.@test pos != false
       +Test.@test Granular.isPointInCell(sim.ocean, 1, 1, pos) == true
        
        info("# Insert into cell with two other grains")
        sim = Granular.createSimulation()
       t@@ -253,8 +253,8 @@ Granular.addGrainCylindrical!(sim, [.75, .75], .25, 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        pos = Granular.findEmptyPositionInGridCell(sim, sim.ocean, 1, 1, .25, 
                                                 verbose=true)
       -@test pos != false
       -@test Granular.isPointInCell(sim.ocean, 1, 1, pos) == true
       +Test.@test pos != false
       +Test.@test Granular.isPointInCell(sim.ocean, 1, 1, pos) == true
        
        info("# Insert into full cell")
        sim = Granular.createSimulation()
       t@@ -266,7 +266,7 @@ Granular.addGrainCylindrical!(sim, [.75, .75], 1., 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        pos = Granular.findEmptyPositionInGridCell(sim, sim.ocean, 1, 1, 0.5,
                                                 verbose=false)
       -@test pos == false
       +Test.@test pos == false
        
        info("# Insert into empty cell")
        sim = Granular.createSimulation()
       t@@ -274,8 +274,8 @@ sim.ocean = Granular.createRegularOceanGrid([4, 4, 2], [4., 4., 2.])
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        pos = Granular.findEmptyPositionInGridCell(sim, sim.ocean, 2, 2, 0.5, 
                                                 verbose=true)
       -@test pos != false
       -@test Granular.isPointInCell(sim.ocean, 2, 2, pos) == true
       +Test.@test pos != false
       +Test.@test Granular.isPointInCell(sim.ocean, 2, 2, pos) == true
        
        info("# Insert into full cell")
        sim = Granular.createSimulation()
       t@@ -287,7 +287,7 @@ Granular.addGrainCylindrical!(sim, [1.75, 1.75], 1., 1., verbose=verbose)
        Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        pos = Granular.findEmptyPositionInGridCell(sim, sim.ocean, 2, 2, 0.5,
                                                 verbose=false)
       -@test pos == false
       +Test.@test pos == false
        
        info("Test default sorting with ocean/atmosphere grids")
        sim = Granular.createSimulation()
       t@@ -300,19 +300,19 @@ Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        Granular.setTimeStep!(sim)
        Granular.setTotalTime!(sim, 1.0)
        Granular.run!(sim, single_step=true, verbose=verbose)
       -@test sim.atmosphere.collocated_with_ocean_grid == false
       -@test sim.grains[1].ocean_grid_pos == [1, 1]
       -@test sim.grains[2].ocean_grid_pos == [1, 1]
       -@test sim.grains[3].ocean_grid_pos == [3, 3]
       -@test sim.ocean.grain_list[1, 1] == [1, 2]
       -@test sim.ocean.grain_list[2, 2] == []
       -@test sim.ocean.grain_list[3, 3] == [3]
       -@test sim.grains[1].atmosphere_grid_pos == [1, 1]
       -@test sim.grains[2].atmosphere_grid_pos == [1, 1]
       -@test sim.grains[3].atmosphere_grid_pos == [3, 3]
       -@test sim.atmosphere.grain_list[1, 1] == [1, 2]
       -@test sim.atmosphere.grain_list[2, 2] == []
       -@test sim.atmosphere.grain_list[3, 3] == [3]
       +Test.@test sim.atmosphere.collocated_with_ocean_grid == false
       +Test.@test sim.grains[1].ocean_grid_pos == [1, 1]
       +Test.@test sim.grains[2].ocean_grid_pos == [1, 1]
       +Test.@test sim.grains[3].ocean_grid_pos == [3, 3]
       +Test.@test sim.ocean.grain_list[1, 1] == [1, 2]
       +Test.@test sim.ocean.grain_list[2, 2] == []
       +Test.@test sim.ocean.grain_list[3, 3] == [3]
       +Test.@test sim.grains[1].atmosphere_grid_pos == [1, 1]
       +Test.@test sim.grains[2].atmosphere_grid_pos == [1, 1]
       +Test.@test sim.grains[3].atmosphere_grid_pos == [3, 3]
       +Test.@test sim.atmosphere.grain_list[1, 1] == [1, 2]
       +Test.@test sim.atmosphere.grain_list[2, 2] == []
       +Test.@test sim.atmosphere.grain_list[3, 3] == [3]
        
        info("Test optimization when ocean/atmosphere grids are collocated")
        sim = Granular.createSimulation()
       t@@ -325,19 +325,19 @@ Granular.sortGrainsInGrid!(sim, sim.ocean, verbose=verbose)
        Granular.setTimeStep!(sim)
        Granular.setTotalTime!(sim, 1.0)
        Granular.run!(sim, single_step=true, verbose=verbose)
       -@test sim.atmosphere.collocated_with_ocean_grid == true
       -@test sim.grains[1].ocean_grid_pos == [1, 1]
       -@test sim.grains[2].ocean_grid_pos == [1, 1]
       -@test sim.grains[3].ocean_grid_pos == [3, 3]
       -@test sim.ocean.grain_list[1, 1] == [1, 2]
       -@test sim.ocean.grain_list[2, 2] == []
       -@test sim.ocean.grain_list[3, 3] == [3]
       -@test sim.grains[1].atmosphere_grid_pos == [1, 1]
       -@test sim.grains[2].atmosphere_grid_pos == [1, 1]
       -@test sim.grains[3].atmosphere_grid_pos == [3, 3]
       -@test sim.atmosphere.grain_list[1, 1] == [1, 2]
       -@test sim.atmosphere.grain_list[2, 2] == []
       -@test sim.atmosphere.grain_list[3, 3] == [3]
       +Test.@test sim.atmosphere.collocated_with_ocean_grid == true
       +Test.@test sim.grains[1].ocean_grid_pos == [1, 1]
       +Test.@test sim.grains[2].ocean_grid_pos == [1, 1]
       +Test.@test sim.grains[3].ocean_grid_pos == [3, 3]
       +Test.@test sim.ocean.grain_list[1, 1] == [1, 2]
       +Test.@test sim.ocean.grain_list[2, 2] == []
       +Test.@test sim.ocean.grain_list[3, 3] == [3]
       +Test.@test sim.grains[1].atmosphere_grid_pos == [1, 1]
       +Test.@test sim.grains[2].atmosphere_grid_pos == [1, 1]
       +Test.@test sim.grains[3].atmosphere_grid_pos == [3, 3]
       +Test.@test sim.atmosphere.grain_list[1, 1] == [1, 2]
       +Test.@test sim.atmosphere.grain_list[2, 2] == []
       +Test.@test sim.atmosphere.grain_list[3, 3] == [3]
        
        info("Testing ocean drag")
        sim = Granular.createSimulation()
 (DIR) diff --git a/test/memory-management.jl b/test/memory-management.jl
       t@@ -8,8 +8,8 @@ sim = Granular.createSimulation()
        empty_sim_size = 96
        empty_sim_size_recursive = 544
        
       -@test sizeof(sim) == empty_sim_size
       -@test Base.summarysize(sim) == empty_sim_size_recursive
       +Test.@test sizeof(sim) == empty_sim_size
       +Test.@test Base.summarysize(sim) == empty_sim_size_recursive
        
        size_per_grain = 360
        size_per_grain_recursive = 1528
       t@@ -18,37 +18,37 @@ info("Testing memory usage when adding grains")
        for i=1:100
            Granular.addGrainCylindrical!(sim, [1., 1.], 1., 1., verbose=false)
        
       -    @test sizeof(sim) == empty_sim_size
       +    Test.@test sizeof(sim) == empty_sim_size
        
       -    @test sizeof(sim.grains) == sizeof(Int)*i
       -    @test sizeof(sim.grains[:]) == sizeof(Int)*i
       -    @test Base.summarysize(sim.grains) == size_per_grain_recursive*i + 
       +    Test.@test sizeof(sim.grains) == sizeof(Int)*i
       +    Test.@test sizeof(sim.grains[:]) == sizeof(Int)*i
       +    Test.@test Base.summarysize(sim.grains) == size_per_grain_recursive*i + 
                sizeof(Int)*i
        
       -    @test Base.summarysize(sim) == empty_sim_size_recursive + sizeof(Int)*i + 
       +    Test.@test Base.summarysize(sim) == empty_sim_size_recursive + sizeof(Int)*i + 
                size_per_grain_recursive*i
        
       -    @test Base.summarysize(sim.grains[i]) == size_per_grain_recursive
       +    Test.@test Base.summarysize(sim.grains[i]) == size_per_grain_recursive
        
            for j=1:i
       -        @test sizeof(sim.grains[j]) == size_per_grain
       -        @test Base.summarysize(sim.grains[j]) == size_per_grain_recursive
       +        Test.@test sizeof(sim.grains[j]) == size_per_grain
       +        Test.@test Base.summarysize(sim.grains[j]) == size_per_grain_recursive
            end
        
        end
        
        info("Checking memory footprint when overwriting simulation object")
        sim = Granular.createSimulation()
       -@test sizeof(sim) == empty_sim_size
       -@test Base.summarysize(sim) == empty_sim_size_recursive
       +Test.@test sizeof(sim) == empty_sim_size
       +Test.@test Base.summarysize(sim) == empty_sim_size_recursive
        
        info("Check memory usage when stepping time for empty simulation object")
        sim = Granular.createSimulation()
        sim.time_step = 1.0
        for i=1:10
            Granular.run!(sim, single_step=true, verbose=false)
       -    @test sizeof(sim) == empty_sim_size
       -    @test Base.summarysize(sim) == empty_sim_size_recursive
       +    Test.@test sizeof(sim) == empty_sim_size
       +    Test.@test Base.summarysize(sim) == empty_sim_size_recursive
        end
        
        info("Check memory when stepping time with single ice floe")
       t@@ -57,8 +57,8 @@ Granular.addGrainCylindrical!(sim, [1., 1.], 1., 1., verbose=false)
        sim.time_step = 1.0
        for i=1:10
            Granular.run!(sim, single_step=true, verbose=false)
       -    @test sizeof(sim) == empty_sim_size
       -    @test Base.summarysize(sim) == empty_sim_size_recursive + 
       +    Test.@test sizeof(sim) == empty_sim_size
       +    Test.@test Base.summarysize(sim) == empty_sim_size_recursive + 
                sizeof(Int)*length(sim.grains) + 
                size_per_grain_recursive*length(sim.grains)
        end
       t@@ -70,8 +70,8 @@ Granular.addGrainCylindrical!(sim, [1., 1.], 3., 1., verbose=false)
        sim.time_step = 1.0
        for i=1:10
            Granular.run!(sim, single_step=true, verbose=false)
       -    @test sizeof(sim) == empty_sim_size
       -    @test Base.summarysize(sim) == empty_sim_size_recursive + 
       +    Test.@test sizeof(sim) == empty_sim_size
       +    Test.@test Base.summarysize(sim) == empty_sim_size_recursive + 
                sizeof(Int)*length(sim.grains) + 
                size_per_grain_recursive*length(sim.grains)
        end
       t@@ -83,8 +83,8 @@ Granular.addGrainCylindrical!(sim, [1., 1.], 1.9, 1., verbose=false)
        sim.time_step = 1.0
        for i=1:10
            Granular.run!(sim, single_step=true, verbose=false)
       -    @test sizeof(sim) == empty_sim_size
       -    @test Base.summarysize(sim) == empty_sim_size_recursive + 
       +    Test.@test sizeof(sim) == empty_sim_size
       +    Test.@test Base.summarysize(sim) == empty_sim_size_recursive + 
                sizeof(Int)*length(sim.grains) + 
                size_per_grain_recursive*length(sim.grains)
        end
       t@@ -100,7 +100,7 @@ Granular.run!(sim, single_step=true, verbose=false)
        original_size_recursive = Base.summarysize(sim)
        for i=1:10
            Granular.run!(sim, single_step=true, verbose=false)
       -    @test Base.summarysize(sim) == original_size_recursive
       +    Test.@test Base.summarysize(sim) == original_size_recursive
        end
        
        info("Checking if memory is freed after ended collision (all to all)")
       t@@ -112,7 +112,7 @@ Granular.setTotalTime!(sim, 10.0)
        Granular.setTimeStep!(sim, epsilon=0.07, verbose=false)
        original_size_recursive = Base.summarysize(sim)
        Granular.run!(sim, verbose=false)
       -@test Base.summarysize(sim) == original_size_recursive
       +Test.@test Base.summarysize(sim) == original_size_recursive
        
        info("Checking if memory is freed after ended collision (cell sorting)")
        sim = Granular.createSimulation(id="test")
       t@@ -128,10 +128,10 @@ original_grains_size_recursive = Base.summarysize(sim.grains)
        original_ocean_size_recursive = Base.summarysize(sim.ocean)
        original_atmosphere_size_recursive = Base.summarysize(sim.atmosphere)
        Granular.run!(sim, verbose=false)
       -@test Base.summarysize(sim.grains) == original_grains_size_recursive
       -@test Base.summarysize(sim.ocean) == original_ocean_size_recursive
       -@test Base.summarysize(sim.atmosphere) == original_atmosphere_size_recursive
       -@test Base.summarysize(sim) == original_sim_size_recursive
       +Test.@test Base.summarysize(sim.grains) == original_grains_size_recursive
       +Test.@test Base.summarysize(sim.ocean) == original_ocean_size_recursive
       +Test.@test Base.summarysize(sim.atmosphere) == original_atmosphere_size_recursive
       +Test.@test Base.summarysize(sim) == original_sim_size_recursive
        
        sim = Granular.createSimulation(id="test")
        Granular.addGrainCylindrical!(sim, [0., 0.], 10., 1., verbose=false)
       t@@ -146,10 +146,10 @@ original_grains_size_recursive = Base.summarysize(sim.grains)
        original_ocean_size_recursive = Base.summarysize(sim.ocean)
        original_atmosphere_size_recursive = Base.summarysize(sim.atmosphere)
        Granular.run!(sim, verbose=false)
       -@test Base.summarysize(sim.grains) == original_grains_size_recursive
       -@test Base.summarysize(sim.ocean) == original_ocean_size_recursive
       -@test Base.summarysize(sim.atmosphere) == original_atmosphere_size_recursive
       -@test Base.summarysize(sim) == original_sim_size_recursive
       +Test.@test Base.summarysize(sim.grains) == original_grains_size_recursive
       +Test.@test Base.summarysize(sim.ocean) == original_ocean_size_recursive
       +Test.@test Base.summarysize(sim.atmosphere) == original_atmosphere_size_recursive
       +Test.@test Base.summarysize(sim) == original_sim_size_recursive
        
        sim = Granular.createSimulation(id="test")
        Granular.addGrainCylindrical!(sim, [0., 0.], 10., 1., verbose=false)
       t@@ -165,9 +165,9 @@ original_grains_size_recursive = Base.summarysize(sim.grains)
        original_ocean_size_recursive = Base.summarysize(sim.ocean)
        original_atmosphere_size_recursive = Base.summarysize(sim.atmosphere)
        Granular.run!(sim, verbose=false)
       -@test Base.summarysize(sim.grains) == original_grains_size_recursive
       -@test Base.summarysize(sim.ocean) == original_ocean_size_recursive
       -@test Base.summarysize(sim.atmosphere) == original_atmosphere_size_recursive
       -@test Base.summarysize(sim) == original_sim_size_recursive
       +Test.@test Base.summarysize(sim.grains) == original_grains_size_recursive
       +Test.@test Base.summarysize(sim.ocean) == original_ocean_size_recursive
       +Test.@test Base.summarysize(sim.atmosphere) == original_atmosphere_size_recursive
       +Test.@test Base.summarysize(sim) == original_sim_size_recursive
        
        Granular.printMemoryUsage(sim)
 (DIR) diff --git a/test/netcdf.jl b/test/netcdf.jl
       t@@ -4,39 +4,39 @@
        
        info("#### $(basename(@__FILE__)) ####")
        
       -@test_throws ErrorException Granular.readOceanStateNetCDF("nonexistentfile")
       -@test_throws ErrorException Granular.readOceanGridNetCDF("nonexistentfile")
       +Test.@test_throws ErrorException Granular.readOceanStateNetCDF("nonexistentfile")
       +Test.@test_throws ErrorException Granular.readOceanGridNetCDF("nonexistentfile")
        
        info("Testing dimensions of content read from Baltic test case")
        ocean = Granular.readOceanNetCDF("Baltic/00010101.ocean_month.nc",
                                       "Baltic/ocean_hgrid.nc")
       -@test ocean.time/(24.*60.*60.) ≈ [.5, 1.5, 2.5, 3.5, 4.5]
       -@test size(ocean.xq) == (24, 15)
       -@test size(ocean.yq) == (24, 15)
       -@test size(ocean.xh) == (23, 14)
       -@test size(ocean.yh) == (23, 14)
       -@test size(ocean.u) == (24, 15, 63, 5)
       -@test size(ocean.v) == (24, 15, 63, 5)
       -@test size(ocean.h) == (23, 14, 63, 5)
       -@test size(ocean.e) == (23, 14, 64, 5)
       +Test.@test ocean.time/(24.*60.*60.) ≈ [.5, 1.5, 2.5, 3.5, 4.5]
       +Test.@test size(ocean.xq) == (24, 15)
       +Test.@test size(ocean.yq) == (24, 15)
       +Test.@test size(ocean.xh) == (23, 14)
       +Test.@test size(ocean.yh) == (23, 14)
       +Test.@test size(ocean.u) == (24, 15, 63, 5)
       +Test.@test size(ocean.v) == (24, 15, 63, 5)
       +Test.@test size(ocean.h) == (23, 14, 63, 5)
       +Test.@test size(ocean.e) == (23, 14, 64, 5)
        
        info("Testing ocean state interpolation")
       -@test_throws ErrorException Granular.interpolateOceanState(ocean, time=0.)
       -@test_throws ErrorException Granular.interpolateOceanState(ocean, time=1.e34)
       +Test.@test_throws ErrorException Granular.interpolateOceanState(ocean, time=0.)
       +Test.@test_throws ErrorException Granular.interpolateOceanState(ocean, time=1.e34)
        u1, v1, h1, e1 = Granular.interpolateOceanState(ocean, ocean.time[1])
        u2, v2, h2, e2 = Granular.interpolateOceanState(ocean, ocean.time[2])
       -@test_throws ErrorException Granular.interpolateOceanState(ocean, -1.)
       +Test.@test_throws ErrorException Granular.interpolateOceanState(ocean, -1.)
        u1_5, v1_5, h1_5, e1_5 = Granular.interpolateOceanState(ocean,
            ocean.time[1] + (ocean.time[2] - ocean.time[1])/2.)
       -@test u1 ≈ ocean.u[:, :, :, 1]
       -@test v1 ≈ ocean.v[:, :, :, 1]
       -@test h1 ≈ ocean.h[:, :, :, 1]
       -@test e1 ≈ ocean.e[:, :, :, 1]
       -@test u2 ≈ ocean.u[:, :, :, 2]
       -@test v2 ≈ ocean.v[:, :, :, 2]
       -@test h2 ≈ ocean.h[:, :, :, 2]
       -@test e2 ≈ ocean.e[:, :, :, 2]
       -@test u1_5 ≈ (ocean.u[:, :, :, 1] + ocean.u[:, :, :, 2])/2.
       -@test v1_5 ≈ (ocean.v[:, :, :, 1] + ocean.v[:, :, :, 2])/2.
       -@test h1_5 ≈ (ocean.h[:, :, :, 1] + ocean.h[:, :, :, 2])/2.
       -@test e1_5 ≈ (ocean.e[:, :, :, 1] + ocean.e[:, :, :, 2])/2.
       +Test.@test u1 ≈ ocean.u[:, :, :, 1]
       +Test.@test v1 ≈ ocean.v[:, :, :, 1]
       +Test.@test h1 ≈ ocean.h[:, :, :, 1]
       +Test.@test e1 ≈ ocean.e[:, :, :, 1]
       +Test.@test u2 ≈ ocean.u[:, :, :, 2]
       +Test.@test v2 ≈ ocean.v[:, :, :, 2]
       +Test.@test h2 ≈ ocean.h[:, :, :, 2]
       +Test.@test e2 ≈ ocean.e[:, :, :, 2]
       +Test.@test u1_5 ≈ (ocean.u[:, :, :, 1] + ocean.u[:, :, :, 2])/2.
       +Test.@test v1_5 ≈ (ocean.v[:, :, :, 1] + ocean.v[:, :, :, 2])/2.
       +Test.@test h1_5 ≈ (ocean.h[:, :, :, 1] + ocean.h[:, :, :, 2])/2.
       +Test.@test e1_5 ≈ (ocean.e[:, :, :, 1] + ocean.e[:, :, :, 2])/2.
 (DIR) diff --git a/test/ocean.jl b/test/ocean.jl
       t@@ -8,24 +8,24 @@ info("#### $(basename(@__FILE__)) ####")
        info("Testing regular grid generation")
        sim = Granular.createSimulation()
        sim.ocean = Granular.createRegularOceanGrid([6, 6, 6], [1., 1., 1.])
       -@test size(sim.ocean.xq) == (7, 7)
       -@test size(sim.ocean.yq) == (7, 7)
       -@test size(sim.ocean.xh) == (6, 6)
       -@test size(sim.ocean.yh) == (6, 6)
       -@test sim.ocean.xq[1, :, 1] ≈ zeros(7)
       -@test sim.ocean.xq[4, :, 1] ≈ .5*ones(7)
       -@test sim.ocean.xq[end, :, 1] ≈ 1.*ones(7)
       -@test sim.ocean.yq[:, 1, 1] ≈ zeros(7)
       -@test sim.ocean.yq[:, 4, 1] ≈ .5*ones(7)
       -@test sim.ocean.yq[:, end, 1] ≈ 1.*ones(7)
       -@test size(sim.ocean.u) == (7, 7, 6, 1)
       -@test size(sim.ocean.v) == (7, 7, 6, 1)
       -@test size(sim.ocean.h) == (7, 7, 6, 1)
       -@test size(sim.ocean.e) == (7, 7, 6, 1)
       -@test sim.ocean.u ≈ zeros(7, 7, 6, 1)
       -@test sim.ocean.v ≈ zeros(7, 7, 6, 1)
       -@test sim.ocean.h ≈ zeros(7, 7, 6, 1)
       -@test sim.ocean.e ≈ zeros(7, 7, 6, 1)
       +Test.@test size(sim.ocean.xq) == (7, 7)
       +Test.@test size(sim.ocean.yq) == (7, 7)
       +Test.@test size(sim.ocean.xh) == (6, 6)
       +Test.@test size(sim.ocean.yh) == (6, 6)
       +Test.@test sim.ocean.xq[1, :, 1] ≈ zeros(7)
       +Test.@test sim.ocean.xq[4, :, 1] ≈ .5*ones(7)
       +Test.@test sim.ocean.xq[end, :, 1] ≈ 1.*ones(7)
       +Test.@test sim.ocean.yq[:, 1, 1] ≈ zeros(7)
       +Test.@test sim.ocean.yq[:, 4, 1] ≈ .5*ones(7)
       +Test.@test sim.ocean.yq[:, end, 1] ≈ 1.*ones(7)
       +Test.@test size(sim.ocean.u) == (7, 7, 6, 1)
       +Test.@test size(sim.ocean.v) == (7, 7, 6, 1)
       +Test.@test size(sim.ocean.h) == (7, 7, 6, 1)
       +Test.@test size(sim.ocean.e) == (7, 7, 6, 1)
       +Test.@test sim.ocean.u ≈ zeros(7, 7, 6, 1)
       +Test.@test sim.ocean.v ≈ zeros(7, 7, 6, 1)
       +Test.@test sim.ocean.h ≈ zeros(7, 7, 6, 1)
       +Test.@test sim.ocean.e ≈ zeros(7, 7, 6, 1)
        
        info("Testing velocity drag interaction (static ocean)")
        Granular.addGrainCylindrical!(sim, [.5, .5], .25, .1)
       t@@ -38,10 +38,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       -@test E_kin_lin_init > E_kin_lin_final  # linear velocity lost due to ocean drag
       -@test sim.grains[1].ocean_stress[1] < 0.
       -@test sim.grains[1].ocean_stress[2] ≈ 0.
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       +Test.@test E_kin_lin_init > E_kin_lin_final  # linear velocity lost due to ocean drag
       +Test.@test sim.grains[1].ocean_stress[1] < 0.
       +Test.@test sim.grains[1].ocean_stress[2] ≈ 0.
        
        info("Testing velocity drag interaction (static ice floe)")
        sim = deepcopy(sim_init)
       t@@ -51,10 +51,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       -@test E_kin_lin_init < E_kin_lin_final  # linear vel. gained due to ocean drag
       -@test sim.grains[1].ocean_stress[1] ≈ 0.
       -@test sim.grains[1].ocean_stress[2] > 0.
       +Test.@test E_kin_rot_init ≈ E_kin_rot_final  # no rotation before or after
       +Test.@test E_kin_lin_init < E_kin_lin_final  # linear vel. gained due to ocean drag
       +Test.@test sim.grains[1].ocean_stress[1] ≈ 0.
       +Test.@test sim.grains[1].ocean_stress[2] > 0.
        
        info("Testing vortex interaction (static ocean)")
        sim = deepcopy(sim_init)
       t@@ -64,10 +64,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test E_kin_rot_init > E_kin_rot_final  # energy lost to ocean
       -@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test E_kin_rot_init > E_kin_rot_final  # energy lost to ocean
       +Test.@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        info("Testing vortex interaction (static ice floe)")
        sim = deepcopy(sim_init)
       t@@ -81,10 +81,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        sim = deepcopy(sim_init)
        sim.ocean = Granular.createRegularOceanGrid([1, 1, 1], [1., 1., 1.])
       t@@ -97,10 +97,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        sim = deepcopy(sim_init)
        sim.ocean = Granular.createRegularOceanGrid([1, 1, 1], [1., 1., 1.])
       t@@ -113,10 +113,10 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel < 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos < 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
        
        sim = deepcopy(sim_init)
        sim.ocean = Granular.createRegularOceanGrid([1, 1, 1], [1., 1., 1.])
       t@@ -129,7 +129,7 @@ E_kin_rot_init = Granular.totalGrainKineticRotationalEnergy(sim)
        Granular.run!(sim, verbose=false)
        E_kin_lin_final = Granular.totalGrainKineticTranslationalEnergy(sim)
        E_kin_rot_final = Granular.totalGrainKineticRotationalEnergy(sim)
       -@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       -@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       -@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       -@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
       +Test.@test sim.grains[1].ang_vel > 0.     # check angular velocity orientation
       +Test.@test sim.grains[1].ang_pos > 0.     # check angular position orientation
       +Test.@test E_kin_rot_init < E_kin_rot_final  # rotation after due to ocean vortex
       +Test.@test E_kin_lin_init ≈ E_kin_lin_final  # no linear velocity gained
 (DIR) diff --git a/test/profiling.jl b/test/profiling.jl
       t@@ -79,12 +79,12 @@ function timeSingleStepInDenseSimulation(nx::Int; verbose::Bool=true,
        
            #Granular.writeVTK(sim)
        
       -    @test sim.grains[1].n_contacts == 0
       -    @test sim.grains[2].n_contacts == 1
       -    @test sim.grains[3].n_contacts == 1
       -    @test sim.grains[nx].n_contacts == 0
       -    @test sim.grains[nx + 1].n_contacts == 1
       -    @test sim.grains[nx + 2].n_contacts == 4
       +    Test.@test sim.grains[1].n_contacts == 0
       +    Test.@test sim.grains[2].n_contacts == 1
       +    Test.@test sim.grains[3].n_contacts == 1
       +    Test.@test sim.grains[nx].n_contacts == 0
       +    Test.@test sim.grains[nx + 1].n_contacts == 1
       +    Test.@test sim.grains[nx + 2].n_contacts == 4
            return t_elapsed, Base.summarysize(sim)
        end
        
 (DIR) diff --git a/test/runtests.jl b/test/runtests.jl
       t@@ -1,5 +1,4 @@
        import Granular
       -using Base.Test
        
        include("grain.jl")
        include("packing.jl")
 (DIR) diff --git a/test/temporal.jl b/test/temporal.jl
       t@@ -1,20 +1,20 @@
        info("Testing temporal functionality")
        
        sim = Granular.createSimulation()
       -@test_throws ErrorException Granular.setTimeStep!(sim)
       +Test.@test_throws ErrorException Granular.setTimeStep!(sim)
        
        Granular.setOutputFileInterval!(sim, 1e-9)
       -@test_throws ErrorException Granular.setTotalTime!(sim, 0.)
       -@test_throws ErrorException Granular.setCurrentTime!(sim, 0.)
       +Test.@test_throws ErrorException Granular.setTotalTime!(sim, 0.)
       +Test.@test_throws ErrorException Granular.setCurrentTime!(sim, 0.)
        Granular.setCurrentTime!(sim, 1.)
       -@test sim.time ≈ 1.0
       -@test_throws ErrorException Granular.incrementCurrentTime!(sim, 0.)
       +Test.@test sim.time ≈ 1.0
       +Test.@test_throws ErrorException Granular.incrementCurrentTime!(sim, 0.)
        Granular.setOutputFileInterval!(sim, 0.)
        Granular.disableOutputFiles!(sim)
       -@test_throws ErrorException Granular.checkTimeParameters(sim)
       +Test.@test_throws ErrorException Granular.checkTimeParameters(sim)
        Granular.addGrainCylindrical!(sim, [.1,.1], 2., 2.)
        sim.grains[1].mass = 0.
       -@test_throws ErrorException Granular.setTimeStep!(sim)
       +Test.@test_throws ErrorException Granular.setTimeStep!(sim)
        
        sim = Granular.createSimulation()
        sim2 = Granular.createSimulation()
 (DIR) diff --git a/test/util.jl b/test/util.jl
       t@@ -4,23 +4,23 @@ info("#### $(basename(@__FILE__)) ####")
        
        info("Testing power-law RNG")
        
       -@test 1 == length(Granular.randpower())
       -@test () == size(Granular.randpower())
       -@test 1 == length(Granular.randpower(1))
       -@test () == size(Granular.randpower(1))
       -@test 4 == length(Granular.randpower((2,2)))
       -@test (2,2) == size(Granular.randpower((2,2)))
       -@test 5 == length(Granular.randpower(5))
       -@test (5,) == size(Granular.randpower(5))
       +Test.@test 1 == length(Granular.randpower())
       +Test.@test () == size(Granular.randpower())
       +Test.@test 1 == length(Granular.randpower(1))
       +Test.@test () == size(Granular.randpower(1))
       +Test.@test 4 == length(Granular.randpower((2,2)))
       +Test.@test (2,2) == size(Granular.randpower((2,2)))
       +Test.@test 5 == length(Granular.randpower(5))
       +Test.@test (5,) == size(Granular.randpower(5))
        
        srand(1)
        for i=1:10^5
       -    @test 0. <= Granular.randpower() <= 1.
       -    @test 0. <= Granular.randpower(1, 1., 0., 1.) <= 1.
       -    @test 0. <= Granular.randpower(1, 1., 0., .1) <= .1
       -    @test 5. <= Granular.randpower(1, 1., 5., 6.) <= 6.
       -    @test 0. <= minimum(Granular.randpower((2,2), 1., 0., 1.))
       -    @test 1. >= maximum(Granular.randpower((2,2), 1., 0., 1.))
       -    @test 0. <= minimum(Granular.randpower(5, 1., 0., 1.))
       -    @test 1. >= minimum(Granular.randpower(5, 1., 0., 1.))
       +    Test.@test 0. <= Granular.randpower() <= 1.
       +    Test.@test 0. <= Granular.randpower(1, 1., 0., 1.) <= 1.
       +    Test.@test 0. <= Granular.randpower(1, 1., 0., .1) <= .1
       +    Test.@test 5. <= Granular.randpower(1, 1., 5., 6.) <= 6.
       +    Test.@test 0. <= minimum(Granular.randpower((2,2), 1., 0., 1.))
       +    Test.@test 1. >= maximum(Granular.randpower((2,2), 1., 0., 1.))
       +    Test.@test 0. <= minimum(Granular.randpower(5, 1., 0., 1.))
       +    Test.@test 1. >= minimum(Granular.randpower(5, 1., 0., 1.))
        end
 (DIR) diff --git a/test/vtk.jl b/test/vtk.jl
       t@@ -41,10 +41,10 @@ oceanchecksum =
        "d56ffb109841a803f2b2b94c74c87f7a497237204841d557d2b1043694d51f0d  " *
        oceanpath * "\n"
        
       -@test readstring(`$(cmd) $(grainpath)$(cmd_post)`) == grainchecksum
       -@test readstring(`$(cmd) $(graininteractionpath)$(cmd_post)`) == 
       +Test.@test readstring(`$(cmd) $(grainpath)$(cmd_post)`) == grainchecksum
       +Test.@test readstring(`$(cmd) $(graininteractionpath)$(cmd_post)`) == 
            graininteractionchecksum
       -@test readstring(`$(cmd) $(oceanpath)$(cmd_post)`) == oceanchecksum
       +Test.@test readstring(`$(cmd) $(oceanpath)$(cmd_post)`) == oceanchecksum
        
        Granular.removeSimulationFiles(sim)
        
       t@@ -54,7 +54,7 @@ Granular.setTotalTime!(sim, 1.5)
        Granular.setTimeStep!(sim)
        sim.file_number = 0
        Granular.run!(sim, single_step=true)
       -@test Granular.readSimulationStatus(sim.id) == 1
       +Test.@test Granular.readSimulationStatus(sim.id) == 1
        Granular.setOutputFileInterval!(sim, 0.1)
        Granular.run!(sim)
        
       t@@ -64,14 +64,14 @@ info("Testing generation of Paraview Python script")
        Granular.writeParaviewPythonScript(sim,
                                         save_animation=true,
                                         save_images=false)
       -@test isfile("$(sim.id)/$(sim.id).py") && filesize("$(sim.id)/$(sim.id).py") > 0
       +Test.@test isfile("$(sim.id)/$(sim.id).py") && filesize("$(sim.id)/$(sim.id).py") > 0
        
        info("Testing Paraview rendering if `pvpython` is present")
        try
            run(`pvpython $(sim.id)/$(sim.id).py`)
        catch return_signal
            if !isa(return_signal, Base.UVError)
       -        @test isfile("$(sim.id)/$(sim.id).avi")
       +        Test.@test isfile("$(sim.id)/$(sim.id).avi")
            end
        end
        
       t@@ -82,16 +82,16 @@ try
            run(`pvpython $(sim.id)/$(sim.id).py`)
        catch return_signal
            if !isa(return_signal, Base.UVError)
       -        @test isfile("$(sim.id)/$(sim.id).0000.png")
       -        @test isfile("$(sim.id)/$(sim.id).0014.png")
       +        Test.@test isfile("$(sim.id)/$(sim.id).0000.png")
       +        Test.@test isfile("$(sim.id)/$(sim.id).0014.png")
                Granular.render(sim)
       -        @test isfile("$(sim.id)/$(sim.id).0001.png")
       +        Test.@test isfile("$(sim.id)/$(sim.id).0001.png")
            end
        end
        
       -@test readstring(`$(cmd) $(grainpath)$(cmd_post)`) == grainchecksum
       -@test readstring(`$(cmd) $(graininteractionpath)$(cmd_post)`) == 
       +Test.@test readstring(`$(cmd) $(grainpath)$(cmd_post)`) == grainchecksum
       +Test.@test readstring(`$(cmd) $(graininteractionpath)$(cmd_post)`) == 
            graininteractionchecksum
       -@test readstring(`$(cmd) $(oceanpath)$(cmd_post)`) == oceanchecksum
       +Test.@test readstring(`$(cmd) $(oceanpath)$(cmd_post)`) == oceanchecksum
        
        Granular.removeSimulationFiles(sim)