time: Add basic timespec_get tests

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/time/tst-timespec_get.c b/time/tst-timespec_get.c
new file mode 100644
index 0000000000..7389927db4
--- /dev/null
+++ b/time/tst-timespec_get.c
@@ -0,0 +1,40 @@
+/* Basic tests for timespec_get.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <time.h>
+#include <support/check.h>
+
+static int
+do_test (void)
+{
+  {
+    struct timespec ts;
+    TEST_COMPARE (timespec_get (&ts, 0), 0);
+  }
+
+  {
+    struct timespec ts;
+    TEST_COMPARE (timespec_get (&ts, TIME_UTC), TIME_UTC);
+    TEST_VERIFY (ts.tv_nsec >= 0);
+    TEST_VERIFY (ts.tv_nsec < 1000000000);
+  }
+
+  return 0;
+}
+
+#include <support/test-driver.c>