Neos\Cache\Tests\Unit\Backend\SimpleFileBackendTest::flushRemovesAllCacheEntries PHP Method

    public function flushRemovesAllCacheEntries()
    {
        $this->mockCacheFrontend->expects($this->any())->method('getIdentifier')->will($this->returnValue('UnitTestCache'));
        $entryIdentifier1 = 'SimpleFileBackendTest1';
        $pathAndFilename1 = 'vfs://Temporary/Directory/Cache/Data/UnitTestCache/' . $entryIdentifier1;
        $entryIdentifier2 = 'SimpleFileBackendTest2';
        $pathAndFilename2 = 'vfs://Temporary/Directory/Cache/Data/UnitTestCache/' . $entryIdentifier2;
        $simpleFileBackend = $this->getSimpleFileBackend();
        $simpleFileBackend->set($entryIdentifier1, 'some data');
        $simpleFileBackend->set($entryIdentifier2, 'some more data');
        $this->assertFileExists($pathAndFilename1);
        $this->assertFileExists($pathAndFilename2);
        $this->assertTrue($simpleFileBackend->has($entryIdentifier1));
        $this->assertTrue($simpleFileBackend->has($entryIdentifier2));
        $simpleFileBackend->flush();
        $this->assertFileNotExists($pathAndFilename1);
        $this->assertFalse($simpleFileBackend->has($entryIdentifier1));
        $this->assertFileNotExists($pathAndFilename2);
        $this->assertFalse($simpleFileBackend->has($entryIdentifier2));
    }