Slince\Process\Tests\SystemV\SemaphoreTest

Complexity

Total Complexity

6

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes	2
Bugs	0	Features	0

<?php
class SemaphoreTest extends TestCase
{
    public function testAcquire()
    {
        $semaphore = new Semaphore();
        $this->assertTrue($semaphore->acquire());
        if (version_compare(PHP_VERSION, '5.6.1') < 0) {
            $this->markTestSkipped();
        }
        $this->assertFalse($semaphore->acquire(false));
    }

    public function testRelease()
    {
        $semaphore = new Semaphore();
        $semaphore->acquire();
        $this->assertTrue($semaphore->release());
        $this->assertFalse($semaphore->release());
    }

    public function testMutex()
    {
        if (version_compare(PHP_VERSION, '5.6.1') < 0) {
            $this->markTestSkipped();
        }
        $process = new Process(function () {
            $semaphore = new Semaphore();
            $semaphore->acquire();
            sleep(2);
            $semaphore->release();
        });
        $process->start();
        sleep(1);
        $semaphore = new Semaphore();
        $this->assertFalse($semaphore->acquire(false));
        $process->wait();
        $this->assertTrue($semaphore->acquire(false));
        $semaphore->release();
    }

    public function testBlockingMutex()
    {
        $process = new Process(function () {
            $semaphore = new Semaphore();
            $semaphore->acquire();
            sleep(2);
            $semaphore->release();
        });
        $process->start();
        sleep(1);
        $semaphore = new Semaphore();
        $this->assertTrue($semaphore->acquire(true));
        $semaphore->release();
        $process->wait();
    }
}