1 files changed, 87 insertions, 0 deletions
diff --git a/REORG.TODO/wctype/test_wcfuncs.c b/REORG.TODO/wctype/test_wcfuncs.c
new file mode 100644
index 0000000000..185899e8d9
--- /dev/null
+++ b/REORG.TODO/wctype/test_wcfuncs.c
@@ -0,0 +1,87 @@
+/* Copyright (C) 1999-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <wctype.h>
+
+int
+main (int argc, char *argv[])
+{
+  int result = 0;
+  wint_t ch;
+
+
+  for (ch = 0; ch < 128; ++ch)
+    {
+      if (iswlower (ch))
+	{
+	  /* Get corresponding upper case character.  */
+	  wint_t up = towupper (ch);
+	  /* This should have no effect.  */
+	  wint_t low  = towlower (ch);
+
+	  if ((ch != low) || (up == ch) || (up == low))
+	    {
+	      printf ("iswlower/towupper/towlower for character \\%x failed\n", ch);
+	      result++;
+	    }
+	}
+      if (iswupper (ch))
+	{
+	  /* Get corresponding lower case character.  */
+	  wint_t low = towlower (ch);
+	  /* This should have no effect.  */
+	  wint_t up  = towupper (ch);
+
+	  if ((ch != up) || (low == ch) || (up == low))
+	    {
+	      printf ("iswupper/towlower/towupper for character \\%x failed\n", ch);
+	      result++;
+	    }
+	}
+    }
+
+  /* Finally some specific tests.  */
+  ch = L'A';
+  if (!iswupper (ch) || iswlower (ch))
+    {
+      printf ("!iswupper/iswlower (L'A') failed\n");
+      result++;
+
+    }
+  ch = L'a';
+  if (iswupper (ch) || !iswlower (ch))
+    {
+      printf ("iswupper/!iswlower (L'a') failed\n");
+      result++;
+    }
+  if (towlower (L'A') != L'a')
+    {
+      printf ("towlower(L'A') failed\n");
+      result++;
+    }
+  if (towupper (L'a') != L'A')
+    {
+      printf ("towupper(L'a') failed\n");
+      result++;
+    }
+
+  if (result == 0)
+    puts ("All test successful!");
+  return result != 0;
+}