tests/libc: Add 0040-wcrtomb - scc - simple c99 compiler
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---
(DIR) commit abc7bb9f69d648be0457170d1f491594cbb2f7e7
(DIR) parent 94afd0b6e12799c59effe955f41b3aaf53003ed7
(HTM) Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date: Thu, 20 Mar 2025 17:05:17 +0100
tests/libc: Add 0040-wcrtomb
Diffstat:
M tests/libc/execute/.gitignore | 1 +
A tests/libc/execute/0040-wcrtomb.c | 102 +++++++++++++++++++++++++++++++
M tests/libc/execute/libc-tests.lst | 1 +
3 files changed, 104 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -37,4 +37,5 @@
0037-malloc
0038-mbsinit
0039-mbrtowc
+0040-wcrtomb
test.log
(DIR) diff --git a/tests/libc/execute/0040-wcrtomb.c b/tests/libc/execute/0040-wcrtomb.c
@@ -0,0 +1,102 @@
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+/*
+output:
+testing
+testing wcrtomb1
+testing wcrtomb2
+testing wctomb
+done
+end:
+*/
+
+#define NELEM(x) (sizeof(x)/sizeof(x[0]))
+
+static char str[MB_CUR_MAX+1];
+
+static struct wctest {
+ wchar_t wc;
+ char *s;
+ char exp[MB_CUR_MAX+1];
+ int r;
+ int syserr;
+ int mbstate;
+} tests[] = {
+ {0, NULL, "", 1, 0, 1},
+ {0, str, "\0", 1, 0, 1},
+ {0x21, str, "\x21", 1, 0, 1},
+ {0x00A1, str, "\xc2\xa1", 2, 0, 1},
+ {0x2014, str, "\xe2\x80\x94", 3, 0, 1},
+ {0x01F4A9, str, "\xf0\x9f\x92\xa9", 4, 0, 1},
+
+ {0xd800, str, "", -1, EILSEQ, 1},
+ {0xDCFF, str, "", -1, EILSEQ, 1},
+ {0xDD00, str, "\xed\xb4\x80", 3, 0, 1},
+ {0x10ffff, str, "\xf4\x8f\xbf\xbf", 4, 0, 1},
+ {0x110000, str, "", -1, EILSEQ, 1},
+};
+
+void
+tests_wcrtomb(void)
+{
+ struct wctest *tp;
+ int r;
+ mbstate_t s;
+
+ puts("testing wcrtomb1");
+ for (tp = tests; tp < &tests[NELEM(tests)]; ++tp) {
+ memset(str, 0, MB_CUR_MAX+1);
+ errno = 0;
+ r = wcrtomb(tp->s, tp->wc, NULL);
+ assert(tp->r == r);
+ assert(tp->syserr == errno);
+ if (tp->s && tp->r != -1)
+ assert(!memcmp(tp->s, tp->exp, MB_CUR_MAX+1));
+ }
+
+ puts("testing wcrtomb2");
+ memset(&s, 0, sizeof(s));
+ for (tp = tests; tp < &tests[NELEM(tests)]; ++tp) {
+ memset(str, 0, MB_CUR_MAX+1);
+ errno = 0;
+ r = wcrtomb(tp->s, tp->wc, &s);
+ assert(tp->r == r);
+ assert(tp->syserr == errno);
+ if (tp->s && tp->r != -1)
+ assert(!memcmp(tp->s, tp->exp, MB_CUR_MAX+1));
+ assert(mbsinit(&s) != 0 == tp->mbstate);
+ }
+}
+
+void
+tests_wctomb(void)
+{
+ struct wctest *tp;
+ int r;
+
+ puts("testing wctomb");
+ for (tp = tests; tp < &tests[NELEM(tests)]; ++tp) {
+ memset(str, 0, MB_CUR_MAX+1);
+ errno = 0;
+ r = wctomb(tp->s, tp->wc);
+ assert(tp->r == r);
+ assert(tp->syserr == errno);
+ if (tp->s && tp->r != -1)
+ assert(!memcmp(tp->s, tp->exp, MB_CUR_MAX+1));
+ }
+}
+
+int
+main(void)
+{
+ puts("testing");
+ tests_wcrtomb();
+ tests_wctomb();
+ puts("done");
+ return 0;
+}
(DIR) diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -36,3 +36,4 @@
0037-malloc [TODO]
0038-mbsinit
0039-mbrtowc
+0040-wcrtomb