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parallel/tests/Sync/AbstractSemaphoreTest.php
2015-09-03 23:23:12 -05:00

126 lines
3.2 KiB
PHP

<?php
namespace Icicle\Tests\Concurrent\Sync;
use Icicle\Concurrent\Sync\Lock;
use Icicle\Concurrent\Sync\PosixSemaphore;
use Icicle\Coroutine;
use Icicle\Loop;
use Icicle\Tests\Concurrent\TestCase;
abstract class AbstractSemaphoreTest extends TestCase
{
/**
* @var \Icicle\Concurrent\Sync\SemaphoreInterface
*/
protected $semaphore;
/**
* @return \Icicle\Concurrent\Sync\SemaphoreInterface
*/
abstract public function createSemaphore($locks);
public function testCount()
{
$this->semaphore = new PosixSemaphore(4);
$this->assertCount(4, $this->semaphore);
$this->semaphore->free();
}
public function testAcquire()
{
Coroutine\create(function () {
$this->semaphore = $this->createSemaphore(1);
$lock = (yield $this->semaphore->acquire());
$this->assertFalse($lock->isReleased());
$lock->release();
$this->assertTrue($lock->isReleased());
})->done();
Loop\run();
}
public function testAcquireMultiple()
{
$this->assertRunTimeGreaterThan(function () {
$this->semaphore = $this->createSemaphore(1);
Coroutine\create(function () {
$lock1 = (yield $this->semaphore->acquire());
Loop\timer(0.5, function () use ($lock1) {
$lock1->release();
});
$lock2 = (yield $this->semaphore->acquire());
Loop\timer(0.5, function () use ($lock2) {
$lock2->release();
});
$lock3 = (yield $this->semaphore->acquire());
Loop\timer(0.5, function () use ($lock3) {
$lock3->release();
});
})->done();
Loop\run();
}, 1.5);
}
public function tesCloneIsSameSemaphore()
{
Coroutine\create(function () {
$this->semaphore = $this->createSemaphore(1);
$clone = clone $this->semaphore;
$lock = (yield $clone->acquire());
$this->assertCount(1, $this->semaphore);
$this->assertCount(0, $clone);
$lock->release();
})->done();
Loop\run();
}
public function testSerializedIsSameSemaphore()
{
Coroutine\create(function () {
$this->semaphore = $this->createSemaphore(1);
$unserialized = unserialize(serialize($this->semaphore));
$lock = (yield $unserialized->acquire());
$this->assertCount(0, $this->semaphore);
$this->assertCount(0, $unserialized);
$lock->release();
})->done();
Loop\run();
}
public function testSimultaneousAcquire()
{
$this->semaphore = $this->createSemaphore(1);
$coroutine1 = new Coroutine\Coroutine($this->semaphore->acquire());
$coroutine2 = new Coroutine\Coroutine($this->semaphore->acquire());
$coroutine1->delay(0.5)->then(function (Lock $lock) {
$lock->release();
});
$coroutine2->delay(0.5)->then(function (Lock $lock) {
$lock->release();
});
$this->assertRunTimeGreaterThan('Icicle\Loop\run', 1);
}
}