scc

commit 534e0b91e27ad3cb37404d696cd1c0044a8ebe18
parent 005f4c376c05bd22e21761cf063ea76fb9338dc1
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Sun,  4 Jan 2026 19:47:25 +0100

tests/libc: Add 0043-wcsrtombs

Diffstat:
M
tests/libc/execute/.gitignore
 | 
1
+
A
tests/libc/execute/0043-wcsrtombs.c
 | 
125
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
tests/libc/execute/libc-tests.lst
 | 
1
+

3 files changed, 127 insertions(+), 0 deletions(-)
diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -40,6 +40,7 @@
 0040-wcrtomb
 0041-mbrlen
 0042-mbsrtowcs
+0043-wcsrtombs
 0044-wcslen
 0045-wcscmp
 0046-wcsncmp
diff --git a/tests/libc/execute/0043-wcsrtombs.c b/tests/libc/execute/0043-wcsrtombs.c
@@ -0,0 +1,125 @@
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+/*
+output:
+testing
+testing wcsrtombs1
+testing wcsrtombs2
+testing wcstombs
+done
+end:
+*/
+
+#define NELEM(x) (sizeof(x)/sizeof(x[0]))
+
+static char str[20];
+static wchar_t wcs[20];
+
+static struct wcstests {
+	char *s;
+	char *sexp;
+
+	wchar_t *wcs;
+	wchar_t *wcsexp;
+
+	size_t n;
+	int r;
+	int syserr;
+	int mbstate;
+} tests [] = {
+        /* s      sexp  wcs                     wcsexp   n  r  syserr  mbstate */
+	{str,     "\0", (wchar_t[]) {0},        NULL,    1, 0,      0,       1},
+	{str,     "\0", (wchar_t[]) {0},        wcs,     0, 0,      0,       1},
+	{NULL,    NULL, (wchar_t[]) {0},        NULL,    1, 0,      0,       1},
+	{NULL,    NULL, (wchar_t[]) {0},        NULL,    0, 0,      0,       1},
+
+	{str,   "\x31", (wchar_t[]) {0x31, 0},  NULL,    2, 1,      0,       1},
+	{str,   "\x31", (wchar_t[]) {0x31, 0},  wcs+1,   1, 1,      0,       1},
+	{NULL,    NULL, (wchar_t[]) {0x31, 0},  NULL,    1, 1,      0,       1},
+	{NULL,    NULL, (wchar_t[]) {0x31, 0},  NULL,    0, 1,      0,       1},
+
+	{str,
+	 "\x21\xc2\xa1\xe2\x80\x94\xf0\x9f\x92\xa9",
+	 (wchar_t[]) {0x21,0xa1,0x2014,0x1f4A9, 0},NULL, 20,10,     0,       1}, 
+
+	{str,   "\x31", (wchar_t[]) {0x31, 0xD800}, wcs, 20,-1,  EILSEQ,     0},
+};
+
+static void
+tests_wcsrtombs(void)
+{
+	size_t r;
+	wchar_t *wc;
+	mbstate_t st;
+	struct wcstests *tp;
+
+	puts("testing wcsrtombs1");
+	for (tp = tests; tp < &tests[NELEM(tests)]; ++tp) {
+		errno = 0;
+		wc = wcscpy(wcs, tp->wcs);
+		memset(str, -1, sizeof(str));
+
+		r = wcsrtombs(tp->s, &wc, tp->n, NULL);
+		assert(tp->r == r);
+		assert(tp->syserr == errno);
+		if (tp->r >= 0) {
+			assert(wc == tp->wcsexp);
+			if (tp->s)
+				assert(!strncmp(tp->sexp, tp->s, r));
+		}
+	}
+
+	puts("testing wcsrtombs2");
+	for (tp = tests; tp < &tests[NELEM(tests)]; ++tp) {
+		errno = 0;
+		wc = wcscpy(wcs, tp->wcs);
+		memset(str, -1, sizeof(str));
+		memset(&st, 0, sizeof(st));
+
+		r = wcsrtombs(tp->s, &wc, tp->n, &st);
+		assert(tp->r == r);
+		assert(tp->syserr == errno);
+		if (tp->r >= 0) {
+			assert(wc == tp->wcsexp);
+			if (tp->s)
+				assert(!strncmp(tp->sexp, tp->s, r));
+			assert(mbsinit(&st) != 0 == tp->mbstate);
+		}
+	}
+
+}
+
+static void
+tests_wcstombs(void)
+{
+	size_t r;
+	wchar_t *wc;
+	struct wcstests *tp;
+
+	puts("testing wcstombs");
+	for (tp = tests; tp < &tests[NELEM(tests)]; ++tp) {
+		errno = 0;
+		wc = wcscpy(wcs, tp->wcs);
+		memset(str, -1, sizeof(str));
+
+		r = wcstombs(tp->s, wc, tp->n);
+		assert(tp->r == r);
+		if (tp->r >= 0 && tp->s)
+			assert(!strncmp(tp->sexp, tp->s, r));
+	}
+}
+
+int
+main(void)
+{
+	puts("testing");
+	tests_wcsrtombs();
+	tests_wcstombs();
+	puts("done");
+	return 0;
+}
diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -39,6 +39,7 @@
 0040-wcrtomb
 0041-mbrlen
 0042-mbsrtowcs
+0043-wcsrtombs
 0044-wcslen
 0045-wcscmp
 0046-wcsncmp