public function testSupportNormalization() { $normalizer = new ConstraintViolationListNormalizer(); $this->assertTrue($normalizer->supportsNormalization(new ConstraintViolationList(), ConstraintViolationListNormalizer::FORMAT)); $this->assertFalse($normalizer->supportsNormalization(new ConstraintViolationList(), 'xml')); $this->assertFalse($normalizer->supportsNormalization(new \stdClass(), ConstraintViolationListNormalizer::FORMAT)); }