| /* |
| * 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> |
| #include <sys/time.h> |
| |
| #include <dispatch/dispatch.h> |
| |
| #include <bsdtests.h> |
| #include "dispatch_test.h" |
| |
| static void |
| test_timer(void) |
| { |
| dispatch_test_start("Dispatch Source Timer, bit 31"); |
| |
| dispatch_queue_t main_q = dispatch_get_main_queue(); |
| //test_ptr("dispatch_get_main_queue", main_q, dispatch_get_current_queue()); |
| |
| struct timeval start_time; |
| |
| static dispatch_source_t s; |
| 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, 0x80000000ull), 0x80000000ull, 0); |
| gettimeofday(&start_time, NULL); |
| |
| dispatch_source_set_event_handler(s, ^{ |
| dispatch_source_cancel(s); |
| }); |
| |
| dispatch_source_set_cancel_handler(s, ^{ |
| struct timeval end_time; |
| gettimeofday(&end_time, NULL); |
| // check, s/b 2.0799... seconds, which is <4 seconds |
| // when it could end on a bad boundry. |
| test_long_less_than("needs to finish faster than 4 seconds", end_time.tv_sec - start_time.tv_sec, 4); |
| // And it has to take at least two seconds... |
| test_long_less_than("can't finish faster than 2 seconds", 1, end_time.tv_sec - start_time.tv_sec); |
| test_stop(); |
| }); |
| |
| dispatch_resume(s); |
| } |
| |
| int |
| main(void) |
| { |
| test_timer(); |
| dispatch_main(); |
| |
| return 0; |
| } |