public function test_getAllAcquiredLockKeys_shouldReturnUsedKeysThatAreLocked() { $this->assertSame(array(), $this->lock->getAllAcquiredLockKeys()); $this->lock->acquireLock(0); $this->assertSame(array('QueuedTrackingLock0'), $this->lock->getAllAcquiredLockKeys()); $this->lock->acquireLock(4); $this->lock->acquireLock(5); $locks = $this->lock->getAllAcquiredLockKeys(); sort($locks); $this->assertSame(array('QueuedTrackingLock0', 'QueuedTrackingLock4', 'QueuedTrackingLock5'), $locks); }