From c5077f99bdefa2b0dd85933e6c37ffd5640e7656 Mon Sep 17 00:00:00 2001
From: schwarze <>
Date: Wed, 16 Aug 2017 13:52:50 +0000
Subject: test locale priorities and overrides

---
 src/regress/lib/libc/locale/uselocale/uselocale.c | 37 ++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

(limited to 'src/regress/lib/libc')

diff --git a/src/regress/lib/libc/locale/uselocale/uselocale.c b/src/regress/lib/libc/locale/uselocale/uselocale.c
index 1688f07257..445bb64876 100644
--- a/src/regress/lib/libc/locale/uselocale/uselocale.c
+++ b/src/regress/lib/libc/locale/uselocale/uselocale.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uselocale.c,v 1.4 2017/08/16 13:23:56 schwarze Exp $ */
+/* $OpenBSD: uselocale.c,v 1.5 2017/08/16 13:52:50 schwarze Exp $ */
 /*
  * Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -264,6 +264,14 @@ child_func(void *arg)
 	TEST_ER(uselocale, EINVAL, _LOCALE_NONE, _LOCALE_BAD);
 	TEST_R(MB_CUR_MAX, 1);
 	TEST_R(uselocale, LC_GLOBAL_LOCALE, _LOCALE_NONE);
+	TEST_R(nl_langinfo, "US-ASCII", CODESET);
+	TEST_R(nl_langinfo_l, "UTF-8", CODESET, _LOCALE_UTF8);
+	TEST_R(iswalpha, 0, 0x00E9);
+	TEST_R(iswalpha_l, 1, 0x00E9, _LOCALE_UTF8);
+	TEST_R(towupper, 0x00E9, 0x00E9);
+	TEST_R(towupper_l, 0x00C9, 0x00E9, _LOCALE_UTF8);
+	TEST_R(wcscasecmp, *s1 - *s2, s1, s2);
+	TEST_R(wcscasecmp_l, 0, s1, s2, _LOCALE_UTF8);
 
 	/* Test switching the thread locale. */
 	TEST_R(uselocale, LC_GLOBAL_LOCALE, _LOCALE_UTF8);
@@ -375,6 +383,12 @@ child_func(void *arg)
 		errx(1, "child: main clobbered strerror_l");
 	free(selc);
 
+	/* Check that the C locale works even while all is set to UTF-8. */
+	TEST_R(nl_langinfo_l, "US-ASCII", CODESET, _LOCALE_C);
+	TEST_R(iswalpha_l, 0, 0x00E9, _LOCALE_C);
+	TEST_R(towupper_l, 0x00E9, 0x00E9, _LOCALE_C);
+	TEST_R(wcscasecmp_l, *s1 - *s2, s1, s2, _LOCALE_C);
+
 	/* Test displaying the global locale while a local one is set. */
 	TEST_R(setlocale, "C/C.UTF-8/C/C/C/C", LC_ALL, NULL);
 
@@ -385,11 +399,27 @@ child_func(void *arg)
 	TEST_R(MB_CUR_MAX, 1);
 	TEST_R(uselocale, _LOCALE_C, _LOCALE_NONE);
 
+	/* Check that UTF-8 works even with a C thread locale. */
+	TEST_R(nl_langinfo, "US-ASCII", CODESET);
+	TEST_R(nl_langinfo_l, "UTF-8", CODESET, _LOCALE_UTF8);
+	TEST_R(iswalpha, 0, 0x0153);
+	TEST_R(iswalpha_l, 1, 0x0153, _LOCALE_UTF8);
+	TEST_R(towupper, 0x0153, 0x0153);
+	TEST_R(towupper_l, 0x0152, 0x0153, _LOCALE_UTF8);
+	TEST_R(wcsncasecmp, *s3 - *s4, s3, s4, 2);
+	TEST_R(wcsncasecmp_l, 0, s3, s4, 2, _LOCALE_UTF8);
+
 	/* Test switching back to the global locale. */
 	TEST_R(uselocale, _LOCALE_C, LC_GLOBAL_LOCALE);
 	TEST_R(MB_CUR_MAX, 4);
 	TEST_R(uselocale, LC_GLOBAL_LOCALE, _LOCALE_NONE);
 
+	/* Check that the global locale takes effect even in a thread. */
+	TEST_R(nl_langinfo, "UTF-8", CODESET);
+	TEST_R(iswalpha, 1, 0x0153);
+	TEST_R(towupper, 0x0152, 0x0153);
+	TEST_R(wcscasecmp, 0, s1, s2);
+
 	/* Hand control back to the main thread. */
 	switch_thread(4, SWITCH_SIGNAL);
 	return NULL;
@@ -421,6 +451,11 @@ main(void)
 	TEST_R(setlocale, "C", LC_ALL, NULL);
 	TEST_R(MB_CUR_MAX, 1);
 
+	/* Check that *_l(3) works without any locale installed. */
+	TEST_R(nl_langinfo_l, "UTF-8", CODESET, _LOCALE_UTF8);
+	TEST_R(iswalpha_l, 1, 0x00E9, _LOCALE_UTF8);
+	TEST_R(towupper_l, 0x00C9, 0x00E9, _LOCALE_UTF8);
+
 	/* Test setting the globale locale. */
 	TEST_R(setlocale, "C.UTF-8", LC_CTYPE, "C.UTF-8");
 	TEST_R(MB_CUR_MAX, 4);
-- 
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