1 files changed, 113 insertions, 0 deletions
diff --git a/lib/libc/tests/locale/mblen_test.c b/lib/libc/tests/locale/mblen_test.c
new file mode 100644
index 000000000000..e081b0d4246a
--- /dev/null
+++ b/lib/libc/tests/locale/mblen_test.c
@@ -0,0 +1,113 @@
+/*-
+ * Copyright (c) 2002-2004 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 mblen(), as specified by IEEE Std. 1003.1-2001 and
+ * ISO/IEC 9899:1990.
+ *
+ * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
+ * "ja_JP.eucJP". Other encodings are not tested.
+ */
+
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <atf-c.h>
+
+ATF_TC_WITHOUT_HEAD(mblen_test);
+ATF_TC_BODY(mblen_test, tc)
+{
+	char buf[MB_LEN_MAX + 1];
+
+	/*
+	 * C/POSIX locale.
+	 */
+
+	ATF_REQUIRE(MB_CUR_MAX == 1);
+
+	/* No shift states in C locale. */
+	ATF_REQUIRE(mblen(NULL, 0) == 0);
+
+	/* Null wide character. */
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = '\0';
+	ATF_REQUIRE(mblen(buf, 1) == 0);
+
+	/* Latin letter A. */
+	buf[0] = 'A';
+	ATF_REQUIRE(mblen(buf, 1) == 1);
+
+	/* Incomplete character sequence. */
+	buf[0] = '\0';
+	ATF_REQUIRE(mblen(buf, 0) == -1);
+	ATF_REQUIRE(mblen(NULL, 0) == 0);
+
+	/*
+	 * Japanese (EUC) locale.
+	 */
+
+	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
+	ATF_REQUIRE(MB_CUR_MAX > 1);
+
+	/* No shift states in EUC. */
+	ATF_REQUIRE(mblen(NULL, 0) == 0);
+
+	/* Null wide character. */
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = '\0';
+	ATF_REQUIRE(mblen(buf, 1) == 0);
+
+	/* Latin letter A. */
+	buf[0] = 'A';
+	ATF_REQUIRE(mblen(buf, 1) == 1);
+
+	/* Incomplete character sequence. */
+	buf[0] = '\0';
+	ATF_REQUIRE(mblen(buf, 0) == -1);
+	ATF_REQUIRE(mblen(NULL, 0) == 0);
+
+	/* Incomplete character sequence (truncated double-byte). */
+	memset(buf, 0xcc, sizeof(buf));
+	buf[0] = 0xa3;
+	buf[1] = 0x00;
+	ATF_REQUIRE(mblen(buf, 1) == -1);
+	ATF_REQUIRE(mblen(NULL, 0) == 0);
+
+	/* Same as above, but complete. */
+	buf[1] = 0xc1;
+	ATF_REQUIRE(mblen(buf, 2) == 2);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, mblen_test);
+
+	return (atf_no_error());
+}