X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=tests%2Ftest-lseek.c;h=67d3341337c69a311344800a7999007a7cd4acdc;hb=931b01b091932a1f796c23379ea32abb68bd5895;hp=ce2263cba034b0e139bbcffed39d1e95018e69c9;hpb=7be93f2d05131d061bd4790ae33c8d50f50010d7;p=platform%2Fupstream%2Fm4.git

diff --git a/tests/test-lseek.c b/tests/test-lseek.c
index ce2263c..67d3341 100644
--- a/tests/test-lseek.c
+++ b/tests/test-lseek.c
@@ -1,5 +1,5 @@
 /* Test of lseek() function.
-   Copyright (C) 2007-2011 Free Software Foundation, Inc.
+   Copyright (C) 2007-2013 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
@@ -81,12 +81,25 @@ main (int argc, char **argv)
          invoking shell are not enough on HP-UX.  */
       close (0);
       close (1);
+
       errno = 0;
       ASSERT (lseek (0, (off_t)0, SEEK_CUR) == -1);
       ASSERT (errno == EBADF);
+
       errno = 0;
       ASSERT (lseek (1, (off_t)0, SEEK_CUR) == -1);
       ASSERT (errno == EBADF);
+
+      /* Test behaviour for invalid file descriptors.  */
+      errno = 0;
+      ASSERT (lseek (-1, (off_t)0, SEEK_CUR) == -1);
+      ASSERT (errno == EBADF);
+
+      close (99);
+      errno = 0;
+      ASSERT (lseek (99, (off_t)0, SEEK_CUR) == -1);
+      ASSERT (errno == EBADF);
+
       break;
 
     default: