This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[PATCH] New test for ftime


This test verifies the sanity of ftime and exposes bugs such as BZ #16430.
It takes between one and two seconds to finish.

ChangeLog:

2014-09-04  Arjun Shankar  <arjun.is@lostca.se>

	* time/tst-ftime.c: New test.
	* time/Makefile (tests): Add tst-ftime.
---
 time/Makefile    |  2 +-
 time/tst-ftime.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 time/tst-ftime.c
diff --git a/time/Makefile b/time/Makefile
index a07c041..55c1de8 100644
--- a/time/Makefile
+++ b/time/Makefile
@@ -37,7 +37,7 @@ aux :=	    era alt_digit lc-time-cleanup
 tests	:= test_time clocktest tst-posixtz tst-strptime tst_wcsftime \
 	   tst-getdate tst-mktime tst-mktime2 tst-ftime_l tst-strftime \
 	   tst-mktime3 tst-strptime2 bug-asctime bug-asctime_r bug-mktime1 \
-	   tst-strptime3 bug-getdate1 tst-strptime-whitespace
+	   tst-strptime3 bug-getdate1 tst-strptime-whitespace tst-ftime
 
 include ../Rules
 
diff --git a/time/tst-ftime.c b/time/tst-ftime.c
new file mode 100644
index 0000000..9345915f
--- /dev/null
+++ b/time/tst-ftime.c
@@ -0,0 +1,51 @@
+/* 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 <err.h>
+
+/* The test takes between 1 and 2 seconds.  */
+#define TIMEOUT 3
+
+static int
+do_test (void)
+{
+  struct timeb prev, curr = {.time = 0, .millitm = 0};
+  int sec = 0;
+
+  while (sec != 3)
+    {
+      prev = curr;
+
+      if (ftime (&curr))
+        errx (1, "ftime returned an error");
+
+      if (curr.time < prev.time)
+        errx (1, "ftime's time flowed backwards");
+
+      if (curr.time == prev.time
+          && curr.millitm < prev.millitm)
+        errx (1, "ftime's millitm flowed backwards");
+
+      if (curr.time > prev.time)
+        sec ++;
+    }
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]