tests/libc: Add 0043-wcsrtombs - scc - simple c99 compiler
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---
DIR commit 534e0b91e27ad3cb37404d696cd1c0044a8ebe18
DIR parent 005f4c376c05bd22e21761cf063ea76fb9338dc1
HTML 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(-)
---
DIR 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
DIR 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;
+}
DIR 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