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/*
* 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>
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <unistd.h>
#endif
#include <stdlib.h>
#include <assert.h>
#ifdef __APPLE__
#include <libkern/OSAtomic.h>
#endif
#include <bsdtests.h>
#include <Block.h>
#include "dispatch_test.h"
static void
done(void *arg /*__unused */)
{
(void)arg;
sleep(1);
test_stop();
}
static 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, (int64_t)(5.5*NSEC_PER_SEC));
time_a = dispatch_time(0, (int64_t)(6*NSEC_PER_SEC));
time_a_max = dispatch_time(0, (int64_t)(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, (long)(now_a - time_a_min));
test_long_less_than("must finish faster than 6.5s", 0, (long)(time_a_max - now_a));
time_b_min = dispatch_time(0, (int64_t)(1.5*NSEC_PER_SEC));
time_b = dispatch_time(0, (int64_t)(2*NSEC_PER_SEC));
time_b_max = dispatch_time(0, (int64_t)(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, (long)(now_b - time_b_min));
test_long_less_than("must finish faster than 2.5s", 0, (long)(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, (int64_t)(.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, (long)(now_c - time_c_min));
test_long_less_than("must finish faster than .5s", 0, (long)(time_c_max - now_c));
dispatch_async_f(dispatch_get_main_queue(), NULL, done);
});
});
});
});
}
int
main(void)
{
test_after();
dispatch_main();
return 1;
}
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