init

Telegram/ThirdParty/dispatch/tests/dispatch_timer_set_time.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2008-2011 Apple Inc. All rights reserved.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_START@
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @APPLE_APACHE_LICENSE_HEADER_END@
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+#include <sys/time.h>
+#endif
+
+#include <dispatch/dispatch.h>
+
+#include <bsdtests.h>
+#include "dispatch_test.h"
+
+static void
+test_timer(void)
+{
+	dispatch_test_start("Dispatch Update 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;
+	struct timeval start_time;
+
+	gettimeofday(&start_time, NULL);
+
+	dispatch_source_t s = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, main_q);
+	test_ptr_notnull("dispatch_source_create", s);
+
+	dispatch_source_set_timer(s, dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC), NSEC_PER_SEC, 0);
+
+	dispatch_source_set_cancel_handler(s, ^{
+		struct timeval end_time;
+		gettimeofday(&end_time, NULL);
+		// Make sure we actually managed to adjust the interval
+		// duration.  Fifteen one second ticks would blow past
+		// this.
+		test_long_less_than("total duration", end_time.tv_sec - start_time.tv_sec, 10);
+		test_stop();
+
+		dispatch_release(s);
+	});
+
+	dispatch_source_set_event_handler(s, ^{
+		fprintf(stderr, "%d\n", ++i);
+		if (i >= 15) {
+			dispatch_source_cancel(s);
+		} else if (i == 1) {
+			dispatch_source_set_timer(s, dispatch_time(DISPATCH_TIME_NOW, 0), NSEC_PER_SEC / 10, 0);
+		}
+	});
+	test_ptr_notnull("dispatch_source_timer_create", s);
+
+	dispatch_resume(s);
+}
+
+int
+main(void) {
+	test_timer();
+	dispatch_main();
+
+	return 0;
+}