public function testDeleteCollectionWithInvalidETag()
{
$testPath = '/collection/deep_collection';
$backend = new ezcWebdavFileBackend($this->tempDir . 'backend/');
$collectionEtag = $backend->getProperty($testPath, 'getetag')->etag;
$resourceEtag = $backend->getProperty($testPath . '/deep_test.txt', 'getetag')->etag;
$req = new ezcWebdavDeleteRequest($testPath);
$req->setHeader('If-None-Match', array('abc23', $resourceEtag));
$req->validateHeaders();
$res = $backend->delete($req);
$this->assertEquals(new ezcWebdavErrorResponse(ezcWebdavResponse::STATUS_412, "{$testPath}/deep_test.txt", 'If-None-Match header check failed.'), $res, 'Expected response does not match real response.', 0, 20);
}
