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