X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-openat.c;h=f36145a3a775f0dc6cb6655ea500cb3e1258e7e7;hb=b12df021ba5b5f12648d84f91d021777c347e9be;hp=fd346388090b53975be6cb66a4836d3d1cf54d41;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/tests/test-openat.c b/tests/test-openat.c
index fd3463880..f36145a3a 100644
--- a/tests/test-openat.c
+++ b/tests/test-openat.c
@@ -29,6 +29,7 @@ SIGNATURE_CHECK (openat, int, (int, char const *, int, ...));
 #include <stdio.h>
 #include <unistd.h>
 
+#include "progname.h"
 #include "macros.h"
 
 #define BASE "test-openat.t"
@@ -58,10 +59,24 @@ do_open (char const *name, int flags, ...)
 }
 
 int
-main (void)
+main (int argc _GL_UNUSED, char *argv[])
 {
   int result;
 
+  set_program_name (argv[0]);
+
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    errno = 0;
+    ASSERT (openat (-1, "foo", O_RDONLY) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    errno = 0;
+    ASSERT (openat (99, "foo", O_RDONLY) == -1);
+    ASSERT (errno == EBADF);
+  }
+
   /* Basic checks.  */
   result = test_open (do_open, false);
   dfd = open (".", O_RDONLY);