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parallel/tests/Sync/ThreadedSemaphoreTest.php

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<?php
namespace Icicle\Tests\Concurrent\Sync;
use Icicle\Concurrent\Sync\ThreadedSemaphore;
use Icicle\Coroutine;
use Icicle\Loop;
use Icicle\Tests\Concurrent\TestCase;
/**
* @group threading
*/
class ThreadedSemaphoreTest extends TestCase
{
public function testCount()
{
$semaphore = new ThreadedSemaphore(1);
$this->assertEquals(1, $semaphore->count());
}
public function testAcquire()
{
Coroutine\create(function () {
$semaphore = new ThreadedSemaphore(1);
$lock = (yield $semaphore->acquire());
$lock->release();
$this->assertTrue($lock->isReleased());
});
Loop\run();
}
public function testAcquireMultiple()
{
$this->assertRunTimeBetween(function () {
Coroutine\create(function () {
$semaphore = new ThreadedSemaphore(1);
$lock1 = (yield $semaphore->acquire());
Loop\timer(0.5, function () use ($lock1) {
$lock1->release();
});
$lock2 = (yield $semaphore->acquire());
Loop\timer(0.5, function () use ($lock2) {
$lock2->release();
});
$lock3 = (yield $semaphore->acquire());
Loop\timer(0.5, function () use ($lock3) {
$lock3->release();
});
});
Loop\run();
}, 1.5, 1.65);
}
}