Module: xenomai-forge
Branch: next
Commit: eba1cdbf2a2fe7a048edab4e94a704db45ef3724
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=eba1cdbf2a2fe7a048edab4e94a704db45ef3724
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Sun Jun 1 19:05:24 2014 +0200
testsuite/regression: add clock_settime test
(bootstrap needed)
---
testsuite/regression/posix/Makefile.am | 1 +
testsuite/regression/posix/clock_settime.c | 224 ++++++++++++++++++++++++++++
2 files changed, 225 insertions(+)
diff --git a/testsuite/regression/posix/Makefile.am
b/testsuite/regression/posix/Makefile.am
index 1a534a0..f975984 100644
--- a/testsuite/regression/posix/Makefile.am
+++ b/testsuite/regression/posix/Makefile.am
@@ -5,6 +5,7 @@ CCLD = $(top_srcdir)/scripts/wrap-link.sh $(CC)
noinst_HEADERS = check.h
test_PROGRAMS = \
+ clock_settime \
leaks \
mq_select \
timerfd
diff --git a/testsuite/regression/posix/clock_settime.c
b/testsuite/regression/posix/clock_settime.c
new file mode 100644
index 0000000..5168ea1
--- /dev/null
+++ b/testsuite/regression/posix/clock_settime.c
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2014 Gilles Chanteperdrix <g...@xenomai.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#undef NDEBUG
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#include <unistd.h>
+#include <time.h>
+#include <sys/timerfd.h>
+#include "check.h"
+
+static void clock_increase_before_oneshot_timer_first_tick(void)
+{
+ unsigned long long ticks;
+ struct itimerspec timer;
+ struct timespec now;
+ int t;
+
+ check_unix(t = timerfd_create(CLOCK_REALTIME, 0));
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ timer.it_value = now;
+ timer.it_value.tv_sec++;
+ timer.it_interval.tv_sec = 0;
+ timer.it_interval.tv_nsec = 0;
+ check_unix(timerfd_settime(t, TFD_TIMER_ABSTIME, &timer, NULL));
+ now.tv_sec += 5;
+ check_unix(clock_settime(CLOCK_REALTIME, &now));
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ timer.it_value = now;
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ assert(now.tv_sec * 1000000000ULL + now.tv_nsec -
+ (timer.it_value.tv_sec * 1000000000ULL + timer.it_value.tv_nsec)
+ < 1000000000);
+ check_unix(close(t));
+}
+
+static void clock_increase_before_periodic_timer_first_tick(void)
+{
+ unsigned long long ticks;
+ struct itimerspec timer;
+ struct timespec now;
+ int t;
+
+ check_unix(t = timerfd_create(CLOCK_REALTIME, 0));
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ timer.it_value = now;
+ timer.it_value.tv_sec++;
+ timer.it_interval.tv_sec = 1;
+ timer.it_interval.tv_nsec = 0;
+ check_unix(timerfd_settime(t, TFD_TIMER_ABSTIME, &timer, NULL));
+ now.tv_sec += 5;
+ check_unix(clock_settime(CLOCK_REALTIME, &now));
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 5);
+ timer.it_value = now;
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ assert(now.tv_sec * 1000000000ULL + now.tv_nsec -
+ (timer.it_value.tv_sec * 1000000000ULL + timer.it_value.tv_nsec)
+ < 1000000000);
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ check_unix(close(t));
+}
+
+static void clock_increase_after_periodic_timer_first_tick(void)
+{
+ unsigned long long ticks;
+ struct itimerspec timer;
+ struct timespec now;
+ int t;
+
+ check_unix(t = timerfd_create(CLOCK_REALTIME, 0));
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ timer.it_value = now;
+ timer.it_value.tv_sec++;
+ timer.it_interval.tv_sec = 1;
+ timer.it_interval.tv_nsec = 0;
+ check_unix(timerfd_settime(t, TFD_TIMER_ABSTIME, &timer, NULL));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ now.tv_sec += 5;
+ check_unix(clock_settime(CLOCK_REALTIME, &now));
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 5);
+ timer.it_value = now;
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ assert(now.tv_sec * 1000000000ULL + now.tv_nsec -
+ (timer.it_value.tv_sec * 1000000000ULL + timer.it_value.tv_nsec)
+ < 1000000000);
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ check_unix(close(t));
+}
+
+static void clock_decrease_before_oneshot_timer_first_tick(void)
+{
+ unsigned long long ticks;
+ struct itimerspec timer;
+ struct timespec now;
+ long long diff;
+ int t;
+
+ check_unix(t = timerfd_create(CLOCK_REALTIME, 0));
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ timer.it_value = now;
+ timer.it_value.tv_sec++;
+ timer.it_interval.tv_sec = 0;
+ timer.it_interval.tv_nsec = 0;
+ check_unix(timerfd_settime(t, TFD_TIMER_ABSTIME, &timer, NULL));
+ now.tv_sec -= 5;
+ check_unix(clock_settime(CLOCK_REALTIME, &now));
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ timer.it_value = now;
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ diff = now.tv_sec * 1000000000ULL + now.tv_nsec -
+ (timer.it_value.tv_sec * 1000000000ULL +
timer.it_value.tv_nsec);
+ assert(diff >= 5500000000 && diff <= 6500000000);
+ check_unix(close(t));
+}
+
+static void clock_decrease_before_periodic_timer_first_tick(void)
+{
+ unsigned long long ticks;
+ struct itimerspec timer;
+ struct timespec now;
+ long long diff;
+ int t;
+
+ check_unix(t = timerfd_create(CLOCK_REALTIME, 0));
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ timer.it_value = now;
+ timer.it_value.tv_sec++;
+ timer.it_interval.tv_sec = 1;
+ timer.it_interval.tv_nsec = 0;
+ check_unix(timerfd_settime(t, TFD_TIMER_ABSTIME, &timer, NULL));
+ now.tv_sec -= 5;
+ check_unix(clock_settime(CLOCK_REALTIME, &now));
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ timer.it_value = now;
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ diff = now.tv_sec * 1000000000ULL + now.tv_nsec -
+ (timer.it_value.tv_sec * 1000000000ULL +
timer.it_value.tv_nsec);
+ assert(diff >= 5500000000 && diff <= 6500000000);
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ check_unix(close(t));
+}
+
+static void clock_decrease_after_periodic_timer_first_tick(void)
+{
+ unsigned long long ticks;
+ struct itimerspec timer;
+ struct timespec now;
+ long long diff;
+ int t;
+
+ check_unix(t = timerfd_create(CLOCK_REALTIME, 0));
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ timer.it_value = now;
+ timer.it_value.tv_sec++;
+ timer.it_interval.tv_sec = 1;
+ timer.it_interval.tv_nsec = 0;
+ check_unix(timerfd_settime(t, TFD_TIMER_ABSTIME, &timer, NULL));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ check_unix(clock_gettime(CLOCK_REALTIME, &now));
+ now.tv_sec -= 5;
+ check_unix(clock_settime(CLOCK_REALTIME, &now));
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ timer.it_value = now;
+ check_unix(clock_gettime(CLOCK_MONOTONIC, &now));
+ diff = now.tv_sec * 1000000000ULL + now.tv_nsec -
+ (timer.it_value.tv_sec * 1000000000ULL +
timer.it_value.tv_nsec);
+ assert(diff < 1000000000);
+ check_unix(read(t, &ticks, sizeof(ticks)));
+ assert(ticks == 1);
+ check_unix(close(t));
+}
+
+int main(void)
+{
+ clock_increase_before_oneshot_timer_first_tick();
+ clock_increase_before_periodic_timer_first_tick();
+ clock_increase_after_periodic_timer_first_tick();
+ clock_decrease_before_oneshot_timer_first_tick();
+ clock_decrease_before_periodic_timer_first_tick();
+ clock_decrease_after_periodic_timer_first_tick();
+ return EXIT_SUCCESS;
+}
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