mutter/tests/test-timeline-rewind.c

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#include <stdlib.h>
#include <glib.h>
#include <clutter/clutter.h>
#define TEST_TIMELINE_FPS 10
#define TEST_TIMELINE_FRAME_COUNT 5
#define TEST_WATCHDOG_KICK_IN_SECONDS 10
typedef struct _TestState {
ClutterTimeline *timeline;
gint rewind_count;
}TestState;
static gboolean
watchdog_timeout (TestState *state)
{
g_print ("Watchdog timer kicking in\n");
g_print ("rewind_count=%i\n", state->rewind_count);
if (state->rewind_count <= 3)
{
/* The test has hung */
g_print ("Failed (This test shouldn't have hung!)\n");
exit (EXIT_FAILURE);
}
else
{
g_print ("Passed\n");
exit (EXIT_SUCCESS);
}
return FALSE;
}
static void
new_frame_cb (ClutterTimeline *timeline,
gint frame_num,
TestState *state)
{
gint current_frame = clutter_timeline_get_current_frame (timeline);
if (current_frame == TEST_TIMELINE_FRAME_COUNT)
{
g_print ("new-frame signal recieved (end of timeline)\n");
g_print ("Rewinding timeline\n");
clutter_timeline_rewind (timeline);
state->rewind_count++;
}
else
{
if (current_frame == 0)
{
g_print ("new-frame signal recieved (start of timeline)\n");
}
else
{
g_print ("new-frame signal recieved (mid frame)\n");
}
if (state->rewind_count >= 2)
{
g_print ("Sleeping for 1 second\n");
g_usleep (1000000);
}
}
}
int
main (int argc, char **argv)
{
TestState state;
clutter_init (&argc, &argv);
state.timeline =
clutter_timeline_new (TEST_TIMELINE_FRAME_COUNT,
TEST_TIMELINE_FPS);
g_signal_connect (G_OBJECT(state.timeline),
"new-frame",
G_CALLBACK(new_frame_cb),
&state);
g_print ("Installing a watchdog timeout to determin if this test hangs\n");
g_timeout_add (TEST_WATCHDOG_KICK_IN_SECONDS*1000,
(GSourceFunc)watchdog_timeout,
&state);
state.rewind_count = 0;
clutter_timeline_start (state.timeline);
clutter_main();
return EXIT_FAILURE;
}