testfmt.c - 9base - revived minimalist port of Plan 9 userland to Unix
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testfmt.c (5339B)
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1 #include <u.h>
2 #include <libc.h>
3 #include <stdio.h>
4
5 int failed;
6
7 /* Consume argument and ignore it */
8 int
9 Zflag(Fmt* f)
10 {
11 if(va_arg(f->args, int))
12 ;
13 return 1; /* it's a flag */
14 }
15
16 void
17 verify(char *s, char *t)
18 {
19 if(strcmp(s, t) != 0){
20 failed = 1;
21 fprintf(stderr, "error: (%s) != (%s)\n", s, t);
22 }
23 free(s);
24 }
25
26 Rune lightsmiley = 0x263a;
27 Rune darksmiley = 0x263b;
28
29 /* Test printer that loads unusual decimal point and separator */
30 char*
31 mysmprint(char *fmt, ...)
32 {
33 Fmt f;
34
35 if(fmtstrinit(&f) < 0)
36 return 0;
37 va_start(f.args, fmt);
38 f.decimal = smprint("%C", lightsmiley);
39 f.thousands = smprint("%C", darksmiley);
40 f.grouping = "\1\2\3\4";
41 if(dofmt(&f, fmt) < 0)
42 return 0;
43 va_end(f.args);
44 return fmtstrflush(&f);
45 }
46
47 double near1[] = {
48 0.5,
49 0.95,
50 0.995,
51 0.9995,
52 0.99995,
53 0.999995,
54 0.9999995,
55 0.99999995,
56 0.999999995,
57 };
58
59 void
60 main(int argc, char **argv)
61 {
62 int i, j;
63
64 quotefmtinstall();
65 fmtinstall('Z', Zflag);
66 fmtinstall(L'\x263a', Zflag);
67 #ifdef PLAN9PORT
68 { extern int __ifmt(Fmt*);
69 fmtinstall('i', __ifmt);
70 }
71 #endif
72
73 verify(smprint("hello world"), "hello world");
74 #ifdef PLAN9PORT
75 verify(smprint("x: %ux", 0x87654321), "x: 87654321");
76 #else
77 verify(smprint("x: %x", 0x87654321), "x: 87654321");
78 #endif
79 verify(smprint("d: %d", 0x87654321), "d: -2023406815");
80 verify(smprint("s: %s", "hi there"), "s: hi there");
81 verify(smprint("q: %q", "hi i'm here"), "q: 'hi i''m here'");
82 verify(smprint("c: %c", '!'), "c: !");
83 verify(smprint("g: %g %g %g", 3.14159, 3.14159e10, 3.14159e-10), "g: 3.14159 3.14159e+10 3.14159e-10");
84 verify(smprint("e: %e %e %e", 3.14159, 3.14159e10, 3.14159e-10), "e: 3.141590e+00 3.141590e+10 3.141590e-10");
85 verify(smprint("f: %f %f %f", 3.14159, 3.14159e10, 3.14159e-10), "f: 3.141590 31415900000.000000 0.000000");
86 verify(smprint("smiley: %C", (Rune)0x263a), "smiley: \xe2\x98\xba");
87 verify(smprint("%g %.18g", 2e25, 2e25), "2e+25 2e+25");
88 verify(smprint("%2.18g", 1.0), " 1");
89 verify(smprint("%f", 3.1415927/4), "0.785398");
90 verify(smprint("%d", 23), "23");
91 verify(smprint("%i", 23), "23");
92 verify(smprint("%Zi", 1234, 23), "23");
93
94 /* ANSI and their wacky corner cases */
95 verify(smprint("%.0d", 0), "");
96 verify(smprint("%.0o", 0), "");
97 verify(smprint("%.0x", 0), "");
98 verify(smprint("%#.0o", 0), "0");
99 verify(smprint("%#.0x", 0), "");
100
101 /* difficult floating point tests that many libraries get wrong */
102 verify(smprint("%.100f", 1.0), "1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000");
103 verify(smprint("%.100g", 1.0), "1");
104 verify(smprint("%0100f", 1.0), "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001.000000");
105 for(i=1; i<9; i++)
106 for(j=0; j<=i; j++)
107 verify(smprint("%.*g", j, near1[i]), "1");
108
109 /* test $ reorderings */
110 verify(smprint("%3$d %4$06d %2$d %1$d", 444, 333, 111, 222), "111 000222 333 444");
111 verify(smprint("%3$Zd %5$06d %2$d %1$d", 444, 333, 555, 111, 222), "111 000222 333 444");
112 verify(smprint("%3$d %4$*5$06d %2$d %1$d", 444, 333, 111, 222, 20), "111 000222 333 444");
113 verify(smprint("%3$hd %4$*5$06d %2$d %1$d", 444, 333, (short)111, 222, 20), "111 000222 333 444");
114 verify(smprint("%3$\xe2\x98\xba""d %5$06d %2$d %1$d", 444, 333, 555, 111, 222), "111 000222 333 444");
115
116 /* test %'d formats */
117 verify(smprint("%'d %'d %'d", 1, 2222, 33333333), "1 2,222 33,333,333");
118 verify(smprint("%'019d", 0), "000,000,000,000,000");
119 verify(smprint("%'08d %'08d %'08d", 1, 2222, 33333333), "0,000,001 0,002,222 33,333,333");
120 #ifdef PLAN9PORT
121 verify(smprint("%'ux %'uX %'ub", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
122 #else
123 verify(smprint("%'x %'X %'b", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
124 #endif
125 verify(smprint("%'lld %'lld %'lld", 1LL, 222222222LL, 3333333333333LL), "1 222,222,222 3,333,333,333,333");
126 verify(smprint("%'019lld %'019lld %'019lld", 1LL, 222222222LL, 3333333333333LL), "000,000,000,000,001 000,000,222,222,222 003,333,333,333,333");
127 #ifdef PLAN9PORT
128 verify(smprint("%'llux %'lluX %'llub", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
129 #else
130 verify(smprint("%'llx %'llX %'llb", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
131 #endif
132
133 /* test %'d with custom (utf-8!) separators */
134 /* x and b still use : */
135 verify(mysmprint("%'d %'d %'d", 1, 2222, 33333333), "1 2\xe2\x98\xbb""22\xe2\x98\xbb""2 33\xe2\x98\xbb""333\xe2\x98\xbb""33\xe2\x98\xbb""3");
136 #ifdef PLAN9PORT
137 verify(mysmprint("%'ux %'uX %'ub", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
138 #else
139 verify(mysmprint("%'x %'X %'b", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
140 #endif
141 verify(mysmprint("%'lld %'lld %'lld", 1LL, 222222222LL, 3333333333333LL), "1 222\xe2\x98\xbb""222\xe2\x98\xbb""22\xe2\x98\xbb""2 333\xe2\x98\xbb""3333\xe2\x98\xbb""333\xe2\x98\xbb""33\xe2\x98\xbb""3");
142 verify(mysmprint("%'llx %'llX %'llb", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
143 verify(mysmprint("%.4f", 3.14159), "3\xe2\x98\xba""1416");
144
145 if(failed)
146 sysfatal("tests failed");
147 exits(0);
148 }