1 files changed, 68 insertions, 0 deletions
diff --git a/gnulib-tests/test-mbschr.c b/gnulib-tests/test-mbschr.c
new file mode 100644
index 0000000..86d26ae
--- /dev/null
+++ b/gnulib-tests/test-mbschr.c
@@ -0,0 +1,68 @@
+/* Test of searching a string for a character.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
+
+#include <config.h>
+
+#include <string.h>
+
+#include <locale.h>
+
+#include "macros.h"
+
+int
+main ()
+{
+  /* configure should already have checked that the locale is supported.  */
+  if (setlocale (LC_ALL, "") == NULL)
+    return 1;
+
+  /* Tests with a character < 0x30.  */
+  {
+    const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
+    const char *result = mbschr (input, ' ');
+    ASSERT (result == input + 4);
+  }
+
+  {
+    const char input[] = "\312\276\300\375"; /* "示例" */
+    const char *result = mbschr (input, ' ');
+    ASSERT (result == NULL);
+  }
+
+  /* Tests with a character >= 0x30.  */
+  {
+    const char input[] = "\272\305123\324\313\320\320\241\243"; /* "号123运行。" */
+    const char *result = mbschr (input, '2');
+    ASSERT (result == input + 3);
+  }
+
+  /* This test shows how mbschr() is different from strchr().  */
+  {
+    const char input[] = "\203\062\332\066123\324\313\320\320\241\243"; /* "씋123运行。" */
+    const char *result = mbschr (input, '2');
+    ASSERT (result == input + 5);
+  }
+
+  {
+    const char input[] = "\312\300\275\347\304\343\272\303\243\241"; /* "世界你好！" */
+    const char *result = mbschr (input, '!');
+    ASSERT (result == NULL);
+  }
+
+  return 0;
+}