public function testModification() { $field = new Field('page-a', 'key-a', 'value-a'); $field->page = 'page-b'; $field->key = 'key-b'; $field->value = 'value-b'; $field->assertEquals('page-b', $field->page); $field->assertEquals('page-b', $field->page()); $field->assertEquals('key-b', $field->key); $field->assertEquals('key-b', $field->key()); $field->assertEquals('value-b', $field->value); $field->assertEquals('value-b', $field->value()); $field->assertEquals('value-b', $field->toString()); $field->assertEquals('value-b', (string) $field); }