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tests: add a test for g_cond_wait_until()

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=673607
This commit is contained in:
Ryan Lortie 2014-02-18 19:04:24 -05:00
parent 1de36e7755
commit 436d77f70a
1 changed files with 38 additions and 0 deletions
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38
glib/tests/cond.c
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@ -25,6 +25,8 @@
#include <glib.h>
#include <unistd.h>
static GCond cond;
static GMutex mutex;
static volatile gint next;
@ -232,6 +234,41 @@ test_cond2 (void)
barrier_clear (&b);
}
static void
test_wait_until (void)
{
gint64 until;
GMutex lock;
GCond cond;
/* This test will make sure we don't wait too much or too little.
*
* We check the 'too long' with a timeout of 60 seconds.
*
* We check the 'too short' by verifying a guarantee of the API: we
* should not wake up until the specified time has passed.
*/
g_mutex_init (&lock);
g_cond_init (&cond);
/* Don't wait forever... */
alarm (60);
until = g_get_monotonic_time () + G_TIME_SPAN_SECOND;
/* Could still have spurious wakeups, so we must loop... */
g_mutex_lock (&lock);
while (g_cond_wait_until (&cond, &lock, until))
;
g_mutex_unlock (&lock);
/* Make sure it's after the until time */
g_assert_cmpint (until, <=, g_get_monotonic_time ());
g_mutex_clear (&lock);
g_cond_clear (&cond);
}
int
main (int argc, char *argv[])
{
@ -239,6 +276,7 @@ main (int argc, char *argv[])
g_test_add_func ("/thread/cond1", test_cond1);
g_test_add_func ("/thread/cond2", test_cond2);
g_test_add_func ("/thread/cond/wait-until", test_wait_until);
return g_test_run ();
}