libdispatch-84.5.3.tar.gz

[apple/libdispatch.git] / testing / dispatch_suspend_timer.c

diff --git a/testing/dispatch_suspend_timer.c b/testing/dispatch_suspend_timer.c
new file mode 100644 (file)
index 0000000..f271f39
--- /dev/null
+++ b/testing/dispatch_suspend_timer.c
@@ -0,0 +1,76 @@
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <dispatch/dispatch.h>
+
+#include "dispatch_test.h"
+
+dispatch_source_t tweedledee;
+dispatch_source_t tweedledum;
+
+int main(void)
+{
+       test_start("Dispatch Suspend Timer");
+
+       dispatch_queue_t main_q = dispatch_get_main_queue();
+       test_ptr("dispatch_get_main_queue", main_q, dispatch_get_current_queue());
+
+       __block int i = 0;
+       __block int j = 0;
+
+       dispatch_source_attr_t attr = dispatch_source_attr_create();
+       test_ptr_notnull("dispatch_source_attr_create", attr);
+       
+       dispatch_source_attr_set_finalizer(attr, ^(dispatch_source_t ds) {
+               test_ptr_notnull("finalizer ran", ds);
+               if (ds == tweedledum) test_stop();
+       });
+
+       tweedledee = dispatch_source_timer_create(DISPATCH_TIMER_INTERVAL,
+               1000000000ull, 0, attr, main_q, ^(dispatch_event_t ev) {
+                       long err;
+                       if (dispatch_event_get_error(ev, &err)) {
+                               test_errno("dispatch_event_get_error", err, ECANCELED);
+                               dispatch_release(dispatch_event_get_source(ev));
+                       } else {
+                               fprintf(stderr, "%d\n", ++i);
+                               if (i == 10) {
+                                       dispatch_cancel(dispatch_event_get_source(ev));
+                               }
+                       }
+               });
+       test_ptr_notnull("dispatch_source_timer_create", tweedledee);
+       dispatch_retain(tweedledee);
+
+       tweedledum = dispatch_source_timer_create(DISPATCH_TIMER_INTERVAL,
+               3000000000ull, 0, attr, main_q, ^(dispatch_event_t ev) {
+                       long err;
+                       if (dispatch_event_get_error(ev, &err)) {
+                               test_errno("dispatch_event_get_error", err, ECANCELED);
+                               dispatch_release(dispatch_event_get_source(ev));
+                       } else {
+                               switch(++j) {
+                                       case 1:
+                                               fprintf(stderr, "suspending timer for 3 seconds\n");
+                                               dispatch_suspend(tweedledee);
+                                               break;
+                                       case 2:
+                                               fprintf(stderr, "resuming timer\n");
+                                               dispatch_resume(tweedledee);
+                                               dispatch_release(tweedledee);
+                                               break;
+                                       default:
+                                               dispatch_cancel(dispatch_event_get_source(ev));
+                                               break;
+                               }
+                       }
+               });
+       test_ptr_notnull("dispatch_source_timer_create", tweedledum);
+       
+       dispatch_release(attr);
+
+       dispatch_main();
+
+       return 0;
+}