aboutsummaryrefslogtreecommitdiff
path: root/time/tst-ftime.c
diff options
context:
space:
mode:
authorArjun Shankar <arjun.is@lostca.se>2014-09-17 22:51:12 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2014-09-18 13:26:53 +0530
commitfe1cc35abb6e968d0b12d7ff3ef78cf821a5f48d (patch)
treefe194f848f11e48aaa2f6635776874f006efb65a /time/tst-ftime.c
parentc4fe3ea7cf2e9f261006ab7ea65bd20c60fe270c (diff)
downloadglibc-fe1cc35abb6e968d0b12d7ff3ef78cf821a5f48d.tar
glibc-fe1cc35abb6e968d0b12d7ff3ef78cf821a5f48d.tar.gz
glibc-fe1cc35abb6e968d0b12d7ff3ef78cf821a5f48d.tar.bz2
glibc-fe1cc35abb6e968d0b12d7ff3ef78cf821a5f48d.zip
New test for ftime
This test verifies the sanity of ftime and exposes bugs such as BZ 2014-09-17 Arjun Shankar <arjun.is@lostca.se> * time/tst-ftime.c: New test. * time/Makefile (tests): Add tst-ftime.
Diffstat (limited to 'time/tst-ftime.c')
-rw-r--r--time/tst-ftime.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/time/tst-ftime.c b/time/tst-ftime.c
new file mode 100644
index 0000000000..78fb2f68c1
--- /dev/null
+++ b/time/tst-ftime.c
@@ -0,0 +1,59 @@
+/* Verify that ftime is sane.
+ Copyright (C) 2014 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
+ <http://www.gnu.org/licenses/>. */
+
+#include <sys/timeb.h>
+#include <stdio.h>
+
+static int
+do_test (void)
+{
+ struct timeb prev, curr = {.time = 0, .millitm = 0};
+ int sec = 0;
+
+ while (sec != 3)
+ {
+ prev = curr;
+
+ if (ftime (&curr))
+ {
+ printf ("ftime returned an error\n");
+ return 1;
+ }
+
+ if (curr.time < prev.time)
+ {
+ printf ("ftime's time flowed backwards\n");
+ return 1;
+ }
+
+ if (curr.time == prev.time
+ && curr.millitm < prev.millitm)
+ {
+ printf ("ftime's millitm flowed backwards\n");
+ return 1;
+ }
+
+ if (curr.time > prev.time)
+ sec ++;
+ }
+ return 0;
+}
+
+#define TIMEOUT 3
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"