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-rw-r--r--tests/test-wchar.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tests/test-wchar.c b/tests/test-wchar.c
index 19da7d93..28660688 100644
--- a/tests/test-wchar.c
+++ b/tests/test-wchar.c
@@ -1,5 +1,5 @@
/* Test of <wchar.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
@@ -20,10 +20,16 @@
#include <wchar.h>
+#include "verify.h"
+
/* Check that the types wchar_t and wint_t are defined. */
wchar_t a = 'c';
wint_t b = 'x';
+/* Check that NULL can be passed through varargs as a pointer type,
+ per POSIX 2008. */
+verify (sizeof NULL == sizeof (void *));
+
int
main ()
{