Add simple test case for toupper/tolower

tests/lib/libc/locale/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.6 2013/05/28 16:57:56 joerg Exp $
+# $NetBSD: Makefile,v 1.7 2017/05/30 02:11:03 perseant Exp $
 
 .include <bsd.own.mk>
 
@@ -14,6 +14,7 @@ TESTS_C+=	t_wcsspn
 TESTS_C+=	t_wcstod
 TESTS_C+=	t_wctomb
 TESTS_C+=	t_io
+TESTS_C+=	t_toupper
 
 COPTS.t_wctomb.c += -Wno-stack-protector
 

tests/lib/libc/locale/t_toupper.c

@@ -0,0 +1,131 @@
+/* $NetBSD: t_toupper.c,v 1.1 2017/05/30 02:11:03 perseant Exp $ */
+
+/*-
+ * Copyright (c) 2017 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Konrad Schroder
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <sys/cdefs.h>
+__COPYRIGHT("@(#) Copyright (c) 2017\
+ The NetBSD Foundation, inc. All rights reserved.");
+__RCSID("$NetBSD: t_toupper.c,v 1.1 2017/05/30 02:11:03 perseant Exp $");
+
+#include <locale.h>
+#include <stdio.h>
+#include <string.h>
+#include <vis.h>
+#include <ctype.h>
+
+#include <atf-c.h>
+
+static struct test {
+	const char *locale;
+	const char *lower;
+	const char *upper;
+} tests[] = {
+	{
+		"C",
+		"abcde12345",
+		"ABCDE12345",
+	}, {
+		"ru_RU.KOI8-R",
+		"abcde12345\xc1\xc2\xd7\xc7\xc4\xc5\xa3",
+		"ABCDE12345\xe1\xe2\xf7\xe7\xe4\xe5\xb3",
+	}, {
+		NULL,
+		NULL,
+		NULL,
+	}
+};
+
+static void
+h_swapcase(const struct test *t, int upperp)
+{
+	unsigned int i;
+	unsigned char answer, reported;
+
+	ATF_REQUIRE_STREQ(setlocale(LC_ALL, "C"), "C");
+	printf("Trying locale %s...\n", t->locale);
+	ATF_REQUIRE(setlocale(LC_CTYPE, t->locale) != NULL);
+
+	for (i = 0; i < strlen(t->lower); i++) {
+		printf("Comparing char %d, lower %2.2x, with upper %2.2x\n",
+			i, (unsigned char)t->lower[i], (unsigned char)t->upper[i]);
+		if (upperp) {
+			answer = t->upper[i];
+			reported = toupper((int)(unsigned char)t->lower[i]);
+		} else {
+			answer = t->lower[i];
+			reported = tolower((int)(unsigned char)t->upper[i]);
+		}
+		printf("  expecting %2.2x, reported %2.2x\n", answer, reported);
+		ATF_REQUIRE_EQ(reported, answer);
+	}
+}
+
+ATF_TC(toupper);
+
+ATF_TC_HEAD(toupper, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+		"Checks toupper under diferent locales");
+}
+
+ATF_TC_BODY(toupper, tc)
+{
+	struct test *t;
+
+	for (t = &tests[0]; t->locale != NULL; ++t)
+		h_swapcase(t, 1);
+}
+
+ATF_TC(tolower);
+
+ATF_TC_HEAD(tolower, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+		"Checks tolower under diferent locales");
+}
+
+ATF_TC_BODY(tolower, tc)
+{
+	struct test *t;
+
+	/* atf_tc_expect_fail("%s", "LC_COLLATE not supported"); */
+	for (t = &tests[0]; t->locale != NULL; ++t)
+		h_swapcase(t, 0);
+	/* atf_tc_expect_pass(); */
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, toupper);
+	ATF_TP_ADD_TC(tp, tolower);
+
+	return atf_no_error();
+}