X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-openat.c;h=f36145a3a775f0dc6cb6655ea500cb3e1258e7e7;hb=b12df021ba5b5f12648d84f91d021777c347e9be;hp=6e6ba5b9b0977b02d5b4c2e77b4b9fb46be23d39;hpb=d9a273b271b226547775c9b9798d7afd96ef5410;p=gnulib.git

diff --git a/tests/test-openat.c b/tests/test-openat.c
index 6e6ba5b9b..f36145a3a 100644
--- a/tests/test-openat.c
+++ b/tests/test-openat.c
@@ -65,6 +65,18 @@ main (int argc _GL_UNUSED, char *argv[])
 
   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);