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-rw-r--r--lib/libc/locale/t_uchar.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/libc/locale/t_uchar.c b/lib/libc/locale/t_uchar.c
new file mode 100644
index 000000000000..66e4830fb88a
--- /dev/null
+++ b/lib/libc/locale/t_uchar.c
@@ -0,0 +1,81 @@
+/* $NetBSD: t_uchar.c,v 1.3 2024/10/14 06:02:14 rillig Exp $ */
+
+/*-
+ * Copyright (c) 2024 The NetBSD Foundation, Inc.
+ * 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 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 <uchar.h> first to verify it declares everything we need.
+ */
+#include <uchar.h>
+typedef mbstate_t nbtest_mbstate_t;
+typedef size_t nbtest_size_t;
+typedef char8_t nbtest_char8_t;
+typedef char16_t nbtest_char16_t;
+typedef char32_t nbtest_char32_t;
+static size_t (*nbtest_mbrtoc8)(char8_t *restrict, const char *restrict,
+ size_t, mbstate_t *restrict) __unused = &mbrtoc8;
+static size_t (*nbtest_c8rtomb)(char *restrict, char8_t,
+ mbstate_t *restrict) __unused = &c8rtomb;
+static size_t (*nbtest_mbrtoc16)(char16_t *restrict, const char *restrict,
+ size_t, mbstate_t *restrict) __unused = &mbrtoc16;
+static size_t (*nbtest_c16rtomb)(char *restrict, char16_t,
+ mbstate_t *restrict) __unused = &c16rtomb;
+static size_t (*nbtest_mbrtoc32)(char32_t *restrict, const char *restrict,
+ size_t, mbstate_t *restrict) __unused = mbrtoc32;
+static size_t (*nbtest_c32rtomb)(char *restrict, char32_t,
+ mbstate_t *restrict) __unused = &c32rtomb;
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_uchar.c,v 1.3 2024/10/14 06:02:14 rillig Exp $");
+
+#include <atf-c.h>
+#include <stdint.h>
+
+ATF_TC(uchartypes);
+ATF_TC_HEAD(uchartypes, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test <uchar.h> types are reasonable");
+}
+ATF_TC_BODY(uchartypes, tc)
+{
+
+ ATF_CHECK_EQ_MSG(sizeof(char8_t), sizeof(unsigned char),
+ "char8_t %zu, unsigned char %zu",
+ sizeof(char8_t), sizeof(unsigned char));
+ ATF_CHECK_EQ_MSG(sizeof(char16_t), sizeof(uint_least16_t),
+ "char16_t %zu, uint_least16_t %zu",
+ sizeof(char16_t), sizeof(uint_least16_t));
+ ATF_CHECK_EQ_MSG(sizeof(char32_t), sizeof(uint_least32_t),
+ "char32_t %zu, uint_least32_t %zu",
+ sizeof(char32_t), sizeof(uint_least32_t));
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, uchartypes);
+ return atf_no_error();
+}