maint.mk: fix a bug in sc_prohibit_stddef_without_use

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

diff --git a/tests/test-renameat.c b/tests/test-renameat.c
index eba8e16..9b67da0 100644 (file)
--- a/tests/test-renameat.c
+++ b/tests/test-renameat.c
@@ -61,6 +61,30 @@ main (void)
   /* Clean up any trash from prior testsuite runs.  */
   ignore_value (system ("rm -rf " BASE "*"));
 
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    errno = 0;
+    ASSERT (renameat (-1, "foo", AT_FDCWD, "bar") == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    errno = 0;
+    ASSERT (renameat (99, "foo", AT_FDCWD, "bar") == -1);
+    ASSERT (errno == EBADF);
+  }
+  ASSERT (close (creat (BASE "oo", 0600)) == 0);
+  {
+    errno = 0;
+    ASSERT (renameat (AT_FDCWD, BASE "oo", -1, "bar") == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    errno = 0;
+    ASSERT (renameat (AT_FDCWD, BASE "oo", 99, "bar") == -1);
+    ASSERT (errno == EBADF);
+  }
+  ASSERT (unlink (BASE "oo") == 0);
+
   /* Test basic rename functionality, using current directory.  */
   result = test_rename (do_rename, false);
   dfd1 = open (".", O_RDONLY);