X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-wctype.c;h=a39514a74fce445a99a9a94060827b34d4094c0a;hb=6184bd1482b08fb6e3076931b73cbf09639509bc;hp=287a58351f2f3a876c5e591bcfa71c29e73ea74a;hpb=12e384c2257061b173a80f02ddcd0d0093caae9e;p=gnulib.git

diff --git a/tests/test-wctype.c b/tests/test-wctype.c
index 287a58351..a39514a74 100644
--- a/tests/test-wctype.c
+++ b/tests/test-wctype.c
@@ -1,5 +1,5 @@
 /* Test of <wctype.h> substitute.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2009 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
@@ -20,8 +20,28 @@
 
 #include <wctype.h>
 
+#include <stdio.h>
+#include <stdlib.h>
+
+#define ASSERT(expr) \
+  do									     \
+    {									     \
+      if (!(expr))							     \
+        {								     \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);						     \
+          abort ();							     \
+        }								     \
+    }									     \
+  while (0)
+
+/* Check that the type wint_t is defined.  */
+wint_t a = 'x';
+/* Check that WEOF is defined.  */
+wint_t e = WEOF;
+
 int
-main ()
+main (void)
 {
   /* Check that the isw* functions exist as functions or as macros.  */
   (void) iswalnum (0);
@@ -39,5 +59,29 @@ main ()
   (void) iswupper (0);
   (void) iswxdigit (0);
 
+  /* Check that the isw* functions map WEOF to 0.  */
+  ASSERT (!iswalnum (e));
+  ASSERT (!iswalpha (e));
+#if 0 /* not portable: missing on mingw */
+  ASSERT (!iswblank (e));
+#endif
+  ASSERT (!iswcntrl (e));
+  ASSERT (!iswdigit (e));
+  ASSERT (!iswgraph (e));
+  ASSERT (!iswlower (e));
+  ASSERT (!iswprint (e));
+  ASSERT (!iswpunct (e));
+  ASSERT (!iswspace (e));
+  ASSERT (!iswupper (e));
+  ASSERT (!iswxdigit (e));
+
+  /* Check that the tow* functions exist as functions or as macros.  */
+  (void) towlower (0);
+  (void) towupper (0);
+
+  /* Check that the tow* functions map WEOF to WEOF.  */
+  ASSERT (towlower (e) == e);
+  ASSERT (towupper (e) == e);
+
   return 0;
 }