Neos\Cache\Tests\Unit\Backend\TransientMemoryBackendTest::flushRemovesAllCacheEntries PHP Метод

    public function flushRemovesAllCacheEntries()
    {
        $cache = $this->createMock(FrontendInterface::class);
        $backend = new TransientMemoryBackend($this->getEnvironmentConfiguration());
        $backend->setCache($cache);
        $data = 'some data' . microtime();
        $backend->set('TransientMemoryBackendTest1', $data);
        $backend->set('TransientMemoryBackendTest2', $data);
        $backend->set('TransientMemoryBackendTest3', $data);
        $backend->flush();
        $this->assertFalse($backend->has('TransientMemoryBackendTest1'), 'TransientMemoryBackendTest1');
        $this->assertFalse($backend->has('TransientMemoryBackendTest2'), 'TransientMemoryBackendTest2');
        $this->assertFalse($backend->has('TransientMemoryBackendTest3'), 'TransientMemoryBackendTest3');
    }