utimens: add test

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

diff --git a/tests/test-utimens.c b/tests/test-utimens.c
new file mode 100644 (file)
index 0000000..5734a57
--- /dev/null
+++ b/tests/test-utimens.c
@@ -0,0 +1,79 @@
+/* Tests of utimens.
+   Copyright (C) 2009 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Eric Blake <ebb9@byu.net>, 2009.  */
+
+#include <config.h>
+
+#include "utimens.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define ASSERT(expr) \
+  do                                                                         \
+    {                                                                        \
+      if (!(expr))                                                           \
+        {                                                                    \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__);  \
+          fflush (stderr);                                                   \
+          abort ();                                                          \
+        }                                                                    \
+    }                                                                        \
+  while (0)
+
+#define BASE "test-utimens.t"
+
+#include "test-futimens.h"
+#include "test-utimens.h"
+
+/* Wrap gl_futimens to behave like futimens.  */
+static int
+do_futimens (int fd, struct timespec const times[2])
+{
+  return gl_futimens (fd, NULL, times);
+}
+
+/* Test the use of file descriptors alongside a name.  */
+static int
+do_fdutimens (char const *name, struct timespec const times[2])
+{
+  int result;
+  int fd = open (name, O_WRONLY);
+  if (fd < 0)
+    fd = open (name, O_RDONLY);
+  errno = 0;
+  result = gl_futimens (fd, name, times);
+  if (0 <= fd)
+    {
+      int saved_errno = errno;
+      close (fd);
+      errno = saved_errno;
+    }
+  return result;
+}
+
+int
+main ()
+{
+  /* Clean up any trash from prior testsuite runs.  */
+  ASSERT (system ("rm -rf " BASE "*") == 0);
+
+  ASSERT (test_utimens (utimens) == 0);
+  ASSERT (test_utimens (do_fdutimens) == 0);
+  return test_futimens (do_futimens, true);
+}