public function Test_of_requiredForCombination() { $User = new AkTestUser(); $User->addCombinedAttributeConfiguration('name', "%s %s", 'first_name', 'last_name'); $this->assertIdentical($User->requiredForCombination('last_name'), true); $this->assertIdentical($User->requiredForCombination('user_name'), false); $this->assertIdentical($User->requiredForCombination('not_valid'), false); }