Add regression tests for mbrtowc(3) and wcrtomb(3).

tools/regression/lib/libc/locale/Makefile

@@ -0,0 +1,14 @@
+# $FreeBSD$
+
+.PHONY: tests
+tests: test-mbrtowc test-wcrtomb
+	${.OBJDIR}/test-mbrtowc
+	${.OBJDIR}/test-wcrtomb
+
+.PHONY: clean
+clean:
+	-rm -f test-mbrtowc test-wcrtomb
+
+test-mbrtowc: test-mbrtowc.c
+
+test-wcrtomb: test-wcrtomb.c

tools/regression/lib/libc/locale/test-mbrtowc.c

@@ -0,0 +1,142 @@
+/*-
+ * 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 mbrtowc(), as specified by IEEE Std. 1003.1-2001 and
+ * ISO/IEC 9899:1999.
+ *
+ * The function is tested with both the "C" ("POSIX") LC_CTYPE seting 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 <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+int
+main(int argc, char *argv[])
+{
+	mbstate_t s;
+	size_t len;
+	wchar_t wc;
+	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(mbrtowc(&wc, buf, 1, NULL) == 0);
+	assert(wc == 0);
+
+	/* Null wide character. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrtowc(&wc, buf, 1, &s) == 0);
+	assert(wc == 0);
+
+	/* Latin letter A, internal state. */
+	assert(mbrtowc(NULL, 0, 0, NULL) == 0);
+	buf[0] = 'A';
+	assert(mbrtowc(&wc, buf, 1, NULL) == 1);
+	assert(wc == L'A');
+
+	/* Latin letter A. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrtowc(&wc, buf, 1, &s) == 1);
+	assert(wc == L'A');
+
+	/* Incomplete character sequence. */
+	wc = L'z';
+	memset(&s, 0, sizeof(s));
+	assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
+	assert(wc == L'z');
+
+	/*
+	 * 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(mbrtowc(NULL, 0, 0, NULL) == 0);
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = 0;
+	assert(mbrtowc(&wc, buf, 1, NULL) == 0);
+	assert(wc == 0);
+
+	/* Null wide character. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrtowc(&wc, buf, 1, &s) == 0);
+	assert(wc == 0);
+
+	/* Latin letter A, internal state. */
+	assert(mbrtowc(NULL, 0, 0, NULL) == 0);
+	buf[0] = 'A';
+	assert(mbrtowc(&wc, buf, 1, NULL) == 1);
+	assert(wc == L'A');
+
+	/* Latin letter A. */
+	memset(&s, 0, sizeof(s));
+	assert(mbrtowc(&wc, buf, 1, &s) == 1);
+	assert(wc == L'A');
+
+	/* Incomplete character sequence (zero length). */
+	wc = L'z';
+	memset(&s, 0, sizeof(s));
+	assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
+	assert(wc == L'z');
+
+	/* Incomplete character sequence (truncated double-byte). */
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = 0xa3;
+	buf[1] = 0x00;
+	memset(&s, 0, sizeof(s));
+	wc = 0;
+	assert(mbrtowc(&wc, buf, 1, &s) == (size_t)-2);
+
+	/* Same as above, but complete. */
+	buf[1] = 0xc1;
+	memset(&s, 0, sizeof(s));
+	wc = 0;
+	assert(mbrtowc(&wc, buf, 2, &s) == 2);
+	assert(wc == 0xa3c1);
+
+	printf("PASS mbrtowc()\n");
+
+	return (0);
+}

tools/regression/lib/libc/locale/test-wcrtomb.c

@@ -0,0 +1,135 @@
+/*-
+ * 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 wcrtomb(), as specified by IEEE Std. 1003.1-2001 and
+ * ISO/IEC 9899:1999.
+ *
+ * The function is tested with both the "C" ("POSIX") LC_CTYPE seting 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 <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, internal buffer. */
+	assert(wcrtomb(NULL, L'\0', NULL) == 1);
+
+	/* Null wide character, internal buffer. */
+	memset(&s, 0, sizeof(s));
+	assert(wcrtomb(NULL, L'\0', &s) == 1);
+
+	/* Null wide character. */
+	memset(&s, 0, sizeof(s));
+	memset(buf, 0xcc, sizeof(buf));
+	len = wcrtomb(buf, L'\0', &s);
+	assert(len == 1);
+	assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
+
+	/* Latin letter A, internal state, internal buffer. */
+	assert(wcrtomb(NULL, L'A', NULL) == 1);
+
+	/* Latin letter A, internal buffer. */
+	memset(&s, 0, sizeof(s));
+	assert(wcrtomb(NULL, L'A', &s) == 1);
+
+	/* Latin letter A. */
+	memset(&s, 0, sizeof(s));
+	memset(buf, 0xcc, sizeof(buf));
+	len = wcrtomb(buf, L'A', &s);
+	assert(len == 1);
+	assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
+
+	/* Invalid code. */
+	assert(wcrtomb(NULL, UCHAR_MAX + 1, NULL) == (size_t)-1);
+	assert(errno == EILSEQ);
+
+	/*
+	 * Japanese (EUC) locale.
+	 */
+
+	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
+	assert(MB_CUR_MAX == 3);
+
+	/* Null wide character, internal buffer. */
+	memset(&s, 0, sizeof(s));
+	assert(wcrtomb(NULL, L'\0', &s) == 1);
+
+	/* Null wide character. */
+	memset(&s, 0, sizeof(s));
+	memset(buf, 0xcc, sizeof(buf));
+	len = wcrtomb(buf, L'\0', &s);
+	assert(len == 1);
+	assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
+
+	/* Latin letter A, internal state, internal buffer. */
+	assert(wcrtomb(NULL, L'A', NULL) == 1);
+
+	/* Latin letter A, internal buffer. */
+	memset(&s, 0, sizeof(s));
+	assert(wcrtomb(NULL, L'A', &s) == 1);
+
+	/* Latin letter A. */
+	memset(&s, 0, sizeof(s));
+	memset(buf, 0xcc, sizeof(buf));
+	len = wcrtomb(buf, L'A', &s);
+	assert(len == 1);
+	assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
+
+	/* Full width letter A. */
+	memset(&s, 0, sizeof(s));
+	memset(buf, 0xcc, sizeof(buf));
+	len = wcrtomb(buf, 0xa3c1, &s);
+	assert(len == 2);
+	assert((unsigned char)buf[0] == 0xa3 &&
+		(unsigned char)buf[1] == 0xc1 &&
+		(unsigned char)buf[2] == 0xcc);
+
+	printf("PASS wcrtomb()\n");
+
+	return (0);
+}