X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=tests%2Ftest-dup2.c;h=e2ad88bccaf217d880e61548211530d2176f9368;hb=b5aab1e9a03e2abc2c518ccafb5313a9697614ea;hp=cef9a304d60ac21e9c45a4ac9dcfffa17bb79346;hpb=e016983c7406fb8aa0c750053425ffb3cbaeec4a;p=pspp

diff --git a/tests/test-dup2.c b/tests/test-dup2.c
index cef9a304d6..e2ad88bcca 100644
--- a/tests/test-dup2.c
+++ b/tests/test-dup2.c
@@ -1,5 +1,5 @@
 /* Test duplicating file descriptors.
-   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2009-2011 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
@@ -169,7 +169,12 @@ main (void)
   ASSERT (dup2 (fd + 1, fd + 1) == fd + 1);
   ASSERT (!is_inheritable (fd + 1));
   ASSERT (dup2 (fd + 1, fd + 2) == fd + 2);
+  ASSERT (!is_inheritable (fd + 1));
   ASSERT (is_inheritable (fd + 2));
+  errno = 0;
+  ASSERT (dup2 (fd + 1, -1) == -1);
+  ASSERT (errno == EBADF);
+  ASSERT (!is_inheritable (fd + 1));
 #endif
 
   /* On systems that distinguish between text and binary mode, dup2