Update.

1999-04-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* wctype/test_wcfuncs.c: New file, tests towlower and towupper.
	* wctype/Makefile (tests): Add test_wcfuncs.

2 files changed, 88 insertions, 1 deletions

diff --git a/wctype/Makefile b/wctype/Makefile
index 3484ea5d68..fe00e58d2a 100644
--- a/wctype/Makefile
+++ b/wctype/Makefile
@@ -26,6 +26,6 @@ distribute	:= cname-lookup.h
 routines	:= wcfuncs wctype iswctype wctrans towctrans wcextra \
 		   wcfuncs_l iswctype_l towctrans_l wctype_l wcextra_l
 
-tests	:= test_wctype
+tests	:= test_wctype test_wcfuncs
 
 include ../Rules
diff --git a/wctype/test_wcfuncs.c b/wctype/test_wcfuncs.c
new file mode 100644
index 0000000000..7ced68ba5d
--- /dev/null
+++ b/wctype/test_wcfuncs.c
@@ -0,0 +1,87 @@
+/* Copyright (C) 1999 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdio.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!");
+  exit (result);
+}