Add tests for btowc(), mbrlen(), mbsrtowcs() and wcsrtombs().

5 files changed, 501 insertions, 2 deletions

diff --git a/tools/regression/lib/libc/locale/Makefile b/tools/regression/lib/libc/locale/Makefile
index d1c8837..2924fd9 100644
--- a/tools/regression/lib/libc/locale/Makefile
+++ b/tools/regression/lib/libc/locale/Makefile
@@ -1,14 +1,28 @@
 # $FreeBSD$
 
 .PHONY: tests
-tests: test-mbrtowc test-wcrtomb
+tests: test-btowc test-mbrlen test-mbrtowc test-mbsrtowcs test-wcsrtombs \
+		test-wcrtomb
 	${.OBJDIR}/test-mbrtowc
 	${.OBJDIR}/test-wcrtomb
+	${.OBJDIR}/test-mbsrtowcs
+	${.OBJDIR}/test-wcsrtombs
+	${.OBJDIR}/test-btowc
+	${.OBJDIR}/test-mbrlen
 
 .PHONY: clean
 clean:
-	-rm -f test-mbrtowc test-wcrtomb
+	-rm -f test-btowc test-mbrlen test-mbrtowc test-mbsrtowcs \
+		test-wcrtomb test-wcsrtombs
+
+test-btowc: test-btowc.c
+
+test-mbrlen: test-mbrlen.c
 
 test-mbrtowc: test-mbrtowc.c
 
+test-mbsrtowcs: test-mbsrtowcs.c
+
 test-wcrtomb: test-wcrtomb.c
+
+test-wcsrtombs: test-wcsrtombs.c
diff --git a/tools/regression/lib/libc/locale/test-btowc.c b/tools/regression/lib/libc/locale/test-btowc.c
new file mode 100644
index 0000000..6d26d85
--- /dev/null
+++ b/tools/regression/lib/libc/locale/test-btowc.c
@@ -0,0 +1,57 @@
+/*-
+ * Copyright (c) 2002 Tim J. Robbins
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Test program for btowc() and wctob() as specified by IEEE Std. 1003.1-2001
+ * and * ISO/IEC 9899:1999.
+ *
+ * The function is tested in only the "C" locale.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+
+int
+main(int argc, char *argv[])
+{
+	int i;
+
+	assert(btowc(EOF) == WEOF);
+	assert(wctob(WEOF) == EOF);
+	for (i = 0; i < UCHAR_MAX; i++)
+		assert(btowc(i) == (wchar_t)i && i == (int)wctob(i));
+
+	printf("PASS btowc()\n");
+	printf("PASS wctob()\n");
+
+	return (0);
+}
diff --git a/tools/regression/lib/libc/locale/test-mbrlen.c b/tools/regression/lib/libc/locale/test-mbrlen.c
new file mode 100644
index 0000000..c18df64
--- /dev/null
+++ b/tools/regression/lib/libc/locale/test-mbrlen.c
@@ -0,0 +1,127 @@
+/*-
+ * Copyright (c) 2002 Tim J. Robbins
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Test program for mbrlen(), as specified by IEEE Std. 1003.1-2001 and
+ * ISO/IEC 9899:1999.
+ *
+ * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
+ * "ja_JP.eucJP". Other encodings are not tested.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+int
+main(int argc, char *argv[])
+{
+	mbstate_t s;
+	size_t len;
+	char buf[MB_LEN_MAX + 1];
+
+	/*
+	 * C/POSIX locale.
+	 */
+
+	assert(MB_CUR_MAX == 1);
+
+	/* Null wide character, internal state. */
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = 0;
+	assert(mbrlen(buf, 1, NULL) == 0);
+
+	/* Null wide character. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 1, &s) == 0);
+
+	/* Latin letter A, internal state. */
+	assert(mbrlen(NULL, 0, NULL) == 0);
+	buf[0] = 'A';
+	assert(mbrlen(buf, 1, NULL) == 1);
+
+	/* Latin letter A. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 1, &s) == 1);
+
+	/* Incomplete character sequence. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 0, &s) == (size_t)-2);
+
+	/*
+	 * Japanese (EUC) locale.
+	 */
+
+	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
+	assert(MB_CUR_MAX > 1);
+
+	/* Null wide character, internal state. */
+	assert(mbrlen(NULL, 0, NULL) == 0);
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = 0;
+	assert(mbrlen(buf, 1, NULL) == 0);
+
+	/* Null wide character. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 1, &s) == 0);
+
+	/* Latin letter A, internal state. */
+	assert(mbrlen(NULL, 0, NULL) == 0);
+	buf[0] = 'A';
+	assert(mbrlen(buf, 1, NULL) == 1);
+
+	/* Latin letter A. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 1, &s) == 1);
+
+	/* Incomplete character sequence (zero length). */
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 0, &s) == (size_t)-2);
+
+	/* Incomplete character sequence (truncated double-byte). */
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = 0xa3;
+	buf[1] = 0x00;
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 1, &s) == (size_t)-2);
+
+	/* Same as above, but complete. */
+	buf[1] = 0xc1;
+	memset(&s, 0, sizeof(s));
+	assert(mbrlen(buf, 2, &s) == 2);
+
+	printf("PASS mbrlen()\n");
+
+	return (0);
+}
diff --git a/tools/regression/lib/libc/locale/test-mbsrtowcs.c b/tools/regression/lib/libc/locale/test-mbsrtowcs.c
new file mode 100644
index 0000000..6579be0
--- /dev/null
+++ b/tools/regression/lib/libc/locale/test-mbsrtowcs.c
@@ -0,0 +1,148 @@
+/*-
+ * Copyright (c) 2002 Tim J. Robbins
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Test program for mbsrtowcs(), as specified by IEEE Std. 1003.1-2001 and
+ * ISO/IEC 9899:1999.
+ *
+ * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
+ * "ja_JP.eucJP". Other encodings are not tested.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+int
+main(int argc, char *argv[])
+{
+	char srcbuf[128];
+	wchar_t dstbuf[128];
+	char *src;
+	mbstate_t s;
+
+	/*
+	 * C/POSIX locale.
+	 */
+
+	/* Simple null terminated string. */
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	strcpy(srcbuf, "hello");
+	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
+	    sizeof(*dstbuf), &s) == 5);
+	assert(wcscmp(dstbuf, L"hello") == 0);
+	assert(dstbuf[6] == 0xcccc);
+	assert(src == NULL);
+
+	/* Not enough space in destination buffer. */
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	strcpy(srcbuf, "hello");
+	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(mbsrtowcs(dstbuf, (const char **)&src, 4, &s) == 4);
+	assert(wmemcmp(dstbuf, L"hell", 4) == 0);
+	assert(dstbuf[5] == 0xcccc);
+	assert(src == srcbuf + 4);
+
+	/* Null terminated string, internal dest. buffer */
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	strcpy(srcbuf, "hello");
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(mbsrtowcs(NULL, (const char **)&src, 0, &s) == 5);
+
+	/* Null terminated string, internal state. */
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	strcpy(srcbuf, "hello");
+	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
+	src = srcbuf;
+	assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
+	    sizeof(*dstbuf), NULL) == 5);
+	assert(wcscmp(dstbuf, L"hello") == 0);
+	assert(dstbuf[6] == 0xcccc);
+	assert(src == NULL);
+
+	/* Null terminated string, internal state, internal dest. buffer. */
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	strcpy(srcbuf, "hello");
+	src = srcbuf;
+	assert(mbsrtowcs(NULL, (const char **)&src, 0, NULL) == 5);
+
+	/* Empty source buffer. */
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	srcbuf[0] = '\0';
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
+	assert(mbsrtowcs(dstbuf, (const char **)&src, 1, &s) == 0);
+	assert(dstbuf[0] == 0);
+	assert(dstbuf[1] == 0xcccc);
+	assert(src == NULL);
+
+	/* Zero length destination buffer. */
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	strcpy(srcbuf, "hello");
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
+	assert(mbsrtowcs(dstbuf, (const char **)&src, 0, &s) == 0);
+	assert(dstbuf[0] == 0xcccc);
+	assert(src == srcbuf);
+
+	/*
+	 * Japanese (EUC) locale.
+	 */
+
+	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
+	assert(MB_CUR_MAX > 1);
+
+	memset(srcbuf, 0xcc, sizeof(srcbuf));
+	strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
+	assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
+	    sizeof(*dstbuf), &s) == 5);
+	assert(dstbuf[0] == 0xA3C1 && dstbuf[1] == 0x20 && dstbuf[2] == 0x42 &&
+	    dstbuf[3] == 0x20 && dstbuf[4] == 0xA3C3 && dstbuf[5] == 0);
+	assert(src == NULL);
+
+	printf("PASS mbsrtowcs()\n");
+
+	return (0);
+}
diff --git a/tools/regression/lib/libc/locale/test-wcsrtombs.c b/tools/regression/lib/libc/locale/test-wcsrtombs.c
new file mode 100644
index 0000000..9ed3ff9
--- /dev/null
+++ b/tools/regression/lib/libc/locale/test-wcsrtombs.c
@@ -0,0 +1,153 @@
+/*-
+ * Copyright (c) 2002 Tim J. Robbins
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Test program for wcsrtombs(), as specified by IEEE Std. 1003.1-2001 and
+ * ISO/IEC 9899:1999.
+ *
+ * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
+ * "ja_JP.eucJP". Other encodings are not tested.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+int
+main(int argc, char *argv[])
+{
+	wchar_t srcbuf[128];
+	char dstbuf[128];
+	wchar_t *src;
+	mbstate_t s;
+
+	/*
+	 * C/POSIX locale.
+	 */
+
+	/* Simple null terminated string. */
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	wcscpy(srcbuf, L"hello");
+	memset(dstbuf, 0xcc, sizeof(dstbuf));
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
+	    &s) == 5);
+	assert(strcmp(dstbuf, "hello") == 0);
+	assert((unsigned char)dstbuf[6] == 0xcc);
+	assert(src == NULL);
+
+	/* Not enough space in destination buffer. */
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	wcscpy(srcbuf, L"hello");
+	memset(dstbuf, 0xcc, sizeof(dstbuf));
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, 4,
+	    &s) == 4);
+	assert(memcmp(dstbuf, "hell", 4) == 0);
+	assert((unsigned char)dstbuf[5] == 0xcc);
+	assert(src == srcbuf + 4);
+
+	/* Null terminated string, internal dest. buffer */
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	wcscpy(srcbuf, L"hello");
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(wcsrtombs(NULL, (const wchar_t **)&src, sizeof(dstbuf),
+	    &s) == 5);
+
+	/* Null terminated string, internal state. */
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	wcscpy(srcbuf, L"hello");
+	memset(dstbuf, 0xcc, sizeof(dstbuf));
+	src = srcbuf;
+	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
+	    NULL) == 5);
+	assert(strcmp(dstbuf, "hello") == 0);
+	assert((unsigned char)dstbuf[6] == 0xcc);
+	assert(src == NULL);
+
+	/* Null terminated string, internal state, internal dest. buffer. */
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	wcscpy(srcbuf, L"hello");
+	src = srcbuf;
+	assert(wcsrtombs(NULL, (const wchar_t **)&src, 0, NULL) == 5);
+
+	/* Empty source buffer. */
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	srcbuf[0] = L'\0';
+	memset(dstbuf, 0xcc, sizeof(dstbuf));
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
+	    &s) == 0);
+	assert(dstbuf[0] == L'\0');
+
+	/* Zero length destination buffer. */
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	wcscpy(srcbuf, L"hello");
+	memset(dstbuf, 0xcc, sizeof(dstbuf));
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, 0, &s) == 0);
+	assert((unsigned char)dstbuf[0] == 0xcc);
+
+	/*
+	 * Japanese (EUC) locale.
+	 */
+
+	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
+	assert(MB_CUR_MAX > 1);
+
+	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
+	srcbuf[0] = 0xA3C1;
+	srcbuf[1] = 0x0020;
+	srcbuf[2] = 0x0042;
+	srcbuf[3] = 0x0020;
+	srcbuf[4] = 0xA3C3;
+	srcbuf[5] = 0x0000;
+	memset(dstbuf, 0xcc, sizeof(dstbuf));
+	src = srcbuf;
+	memset(&s, 0, sizeof(s));
+	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
+	    &s) == 7);
+	assert(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
+	assert((unsigned char)dstbuf[8] == 0xcc);
+	assert(src == NULL);
+
+	printf("PASS wcsrtombs()\n");
+
+	return (0);
+}