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

    public function flushRemovesAllCacheEntries()
    {
        $backend = $this->setUpBackend();
        $data = 'some data' . microtime();
        $backend->set('PdoBackendTest1', $data);
        $backend->set('PdoBackendTest2', $data);
        $backend->set('PdoBackendTest3', $data);
        $backend->flush();
        $this->assertFalse($backend->has('PdoBackendTest1'), 'PdoBackendTest1');
        $this->assertFalse($backend->has('PdoBackendTest2'), 'PdoBackendTest2');
        $this->assertFalse($backend->has('PdoBackendTest3'), 'PdoBackendTest3');
    }