public function testLock() { $backend = new ezcWebdavMemoryBackend(); $backend->options->lockFile = $this->tmp . 'backend.lock'; $backend->lock(1000, 200000); $this->assertFileExists($backend->options->lockFile, 'Lock file not created'); $backend->unlock(); $this->assertFileNotExists($backend->options->lockFile, 'Lock file not removed.'); }