public function testProppatchResourceWithInvalidETag()
{
$testPath = '/collection/test.txt';
$backend = new ezcWebdavFileBackend($this->tempDir . 'backend/');
$etag = $backend->getProperty($testPath, 'getetag')->etag;
// Properties to patch
$newProperties = new ezcWebdavFlaggedPropertyStorage();
$newProperties->attach($p1 = new ezcWebdavGetContentTypeProperty('text/xml'), ezcWebdavPropPatchRequest::SET);
$newProperties->attach($p2 = new ezcWebdavDeadProperty('foo:', 'bar', "<?xml version=\"1.0\"?>\n<bar xmlns=\"foo:\">some content</bar>\n"), ezcWebdavPropPatchRequest::SET);
$req = new ezcWebdavProppatchRequest($testPath);
$req->updates = $newProperties;
$req->setHeader('If-None-Match', array('abc23', $etag, 'foobar'));
$req->validateHeaders();
$res = $backend->propPatch($req);
$this->assertEquals(new ezcWebdavErrorResponse(ezcWebdavResponse::STATUS_412, $testPath, 'If-None-Match header check failed.'), $res, 'Expected response does not match real response.', 0, 20);
}