X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-stddef.c;h=d7237b3e972b5b9db8b116cfba9ca00df6a123cc;hb=573dad2ce496fa87dac2e79f37bae62e0be1d2c6;hp=f8484987cb3f432009010114e2c3968dd63008cb;hpb=2f5181b1a247323cb2a4a4c6165997674866bb20;p=gnulib.git

diff --git a/tests/test-stddef.c b/tests/test-stddef.c
index f8484987c..d7237b3e9 100644
--- a/tests/test-stddef.c
+++ b/tests/test-stddef.c
@@ -1,5 +1,5 @@
 /* Test of <stddef.h> substitute.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009-2012 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
@@ -31,8 +31,22 @@ size_t c = 2;
    per POSIX 2008.  */
 verify (sizeof NULL == sizeof (void *));
 
+/* Check that offsetof produces integer constants with correct type.  */
+struct d
+{
+  char e;
+  char f;
+};
+/* Solaris 10 has a bug where offsetof is under-parenthesized, and
+   cannot be used as an arbitrary expression.  However, since it is
+   unlikely to bite real code, we ignore that short-coming.  */
+/* verify (sizeof offsetof (struct d, e) == sizeof (size_t)); */
+verify (sizeof (offsetof (struct d, e)) == sizeof (size_t));
+verify (offsetof (struct d, e) < -1); /* Must be unsigned.  */
+verify (offsetof (struct d, f) == 1);
+
 int
-main ()
+main (void)
 {
   return 0;
 }