scc

commit abc7bb9f69d648be0457170d1f491594cbb2f7e7
parent 94afd0b6e12799c59effe955f41b3aaf53003ed7
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(-)
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
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;
+}
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