public function testSkipByReference() { $stdObj = new \lithium\tests\mocks\test\mockStdClass\Mock(); $stdObj->foo = 'foo'; $originalData = $stdObj->data(); $stdObj->applyFilter('data', function ($self, $params, $chain) { return array(); }); $nonfilteredData = $stdObj->data(); $this->assertIdentical($originalData, $nonfilteredData); }