1 files changed, 100 insertions, 0 deletions
diff --git a/REORG.TODO/ctype/test_ctype.c b/REORG.TODO/ctype/test_ctype.c
new file mode 100644
index 0000000000..c113969995
--- /dev/null
+++ b/REORG.TODO/ctype/test_ctype.c
@@ -0,0 +1,100 @@
+/* Copyright (C) 1991-2017 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 <limits.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#define XOR(e,f) (((e) && !(f)) || (!(e) && (f)))
+
+#ifdef	__GNUC__
+__inline
+#endif
+static void
+print_char (unsigned char c)
+{
+  printf("%d/", (int) c);
+  if (isgraph(c))
+    printf("'%c'", c);
+  else
+    printf("'\\%.3o'", c);
+}
+
+int
+main (int argc, char **argv)
+{
+  unsigned short int c;
+  int lose = 0;
+
+#define TRYEM do {							      \
+      TRY (isascii);							      \
+      TRY (isalnum);							      \
+      TRY (isalpha);							      \
+      TRY (iscntrl);							      \
+      TRY (isdigit);							      \
+      TRY (isgraph);							      \
+      TRY (islower);							      \
+      TRY (isprint);							      \
+      TRY (ispunct);							      \
+      TRY (isspace);							      \
+      TRY (isupper);							      \
+      TRY (isxdigit);							      \
+      TRY (isblank);							      \
+    } while (0)
+
+  for (c = 0; c <= UCHAR_MAX; ++c)
+    {
+      print_char (c);
+
+      if (XOR (islower (c), ISLOWER (c)) || toupper (c) != TOUPPER (c))
+	{
+	  fputs (" BOGUS", stdout);
+	  ++lose;
+	}
+
+#define TRY(isfoo) if (isfoo (c)) fputs (" " #isfoo, stdout)
+      TRYEM;
+#undef TRY
+
+      fputs("; lower = ", stdout);
+      print_char(tolower(c));
+      fputs("; upper = ", stdout);
+      print_char(toupper(c));
+      putchar('\n');
+    }
+
+  fputs ("EOF", stdout);
+  if (tolower (EOF) != EOF)
+    {
+      ++lose;
+      printf (" tolower BOGUS %d;", tolower (EOF));
+    }
+  if (toupper (EOF) != EOF)
+    {
+      ++lose;
+      printf (" toupper BOGUS %d;", toupper (EOF));
+    }
+
+#define TRY(isfoo) if (isfoo (EOF)) fputs (" " #isfoo, stdout), ++lose
+  TRYEM;
+#undef TRY
+
+  return lose ? EXIT_FAILURE : EXIT_SUCCESS;
+}