Merge commit 'a39d4083cab589d7cd6a13e8a4b8db8875261d75'

[gnulib.git] / tests / test-pread.c

diff --git a/tests/test-pread.c b/tests/test-pread.c
index 3e35640..2204398 100644 (file)
--- a/tests/test-pread.c
+++ b/tests/test-pread.c
@@ -1,5 +1,5 @@
 /* Test the pread function.
-   Copyright (C) 2009-2011 Free Software Foundation, Inc.
+   Copyright (C) 2009-2014 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
@@ -83,5 +83,20 @@ main (void)
     ASSERT (errno == ESPIPE);
   }
 
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    char byte;
+    errno = 0;
+    ASSERT (pread (-1, &byte, 1, 0) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    char byte;
+    close (99);
+    errno = 0;
+    ASSERT (pread (99, &byte, 1, 0) == -1);
+    ASSERT (errno == EBADF);
+  }
+
   return 0;
 }