| /* |
| * 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 <dispatch/dispatch.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| #ifdef __APPLE__ |
| #include <libkern/OSAtomic.h> |
| #endif |
| |
| #include <bsdtests.h> |
| #include <Block.h> |
| |
| #include "dispatch_test.h" |
| |
| void |
| done(void *arg /*__unused */) |
| { |
| sleep(1); |
| test_stop(); |
| } |
| |
| void |
| test_after(void) |
| { |
| __block dispatch_time_t time_a_min, time_a, time_a_max; |
| __block dispatch_time_t time_b_min, time_b, time_b_max; |
| __block dispatch_time_t time_c_min, time_c, time_c_max; |
| |
| dispatch_test_start("Dispatch After"); |
| |
| dispatch_async(dispatch_get_main_queue(), ^{ |
| time_a_min = dispatch_time(0, 5.5*NSEC_PER_SEC); |
| time_a = dispatch_time(0, 6*NSEC_PER_SEC); |
| time_a_max = dispatch_time(0, 6.5*NSEC_PER_SEC); |
| dispatch_after(time_a, dispatch_get_main_queue(), ^{ |
| dispatch_time_t now_a = dispatch_time(0, 0); |
| test_long_less_than("can't finish faster than 5.5s", 0, now_a - time_a_min); |
| test_long_less_than("must finish faster than 6.5s", 0, time_a_max - now_a); |
| |
| time_b_min = dispatch_time(0, 1.5*NSEC_PER_SEC); |
| time_b = dispatch_time(0, 2*NSEC_PER_SEC); |
| time_b_max = dispatch_time(0, 2.5*NSEC_PER_SEC); |
| dispatch_after(time_b, dispatch_get_main_queue(), ^{ |
| dispatch_time_t now_b = dispatch_time(0, 0); |
| test_long_less_than("can't finish faster than 1.5s", 0, now_b - time_b_min); |
| test_long_less_than("must finish faster than 2.5s", 0, time_b_max - now_b); |
| |
| time_c_min = dispatch_time(0, 0*NSEC_PER_SEC); |
| time_c = dispatch_time(0, 0*NSEC_PER_SEC); |
| time_c_max = dispatch_time(0, .5*NSEC_PER_SEC); |
| dispatch_after(time_c, dispatch_get_main_queue(), ^{ |
| dispatch_time_t now_c = dispatch_time(0, 0); |
| test_long_less_than("can't finish faster than 0s", 0, now_c - time_c_min); |
| test_long_less_than("must finish faster than .5s", 0, time_c_max - now_c); |
| |
| dispatch_async_f(dispatch_get_main_queue(), NULL, done); |
| }); |
| }); |
| }); |
| }); |
| } |
| |
| int |
| main(void) |
| { |
| test_after(); |
| dispatch_main(); |
| return 1; |
| } |