/**
  * {@inheritDoc}
  */
 public function checkSignature(ReflectionClass $class, array $parameters)
 {
     $propertyName = 'signature' . $this->signatureGenerator->generateSignatureKey($parameters);
     $signature = $this->signatureGenerator->generateSignature($parameters);
     $defaultProperties = $class->getDefaultProperties();
     if (!isset($defaultProperties[$propertyName])) {
         throw MissingSignatureException::fromMissingSignature($class, $parameters, $signature);
     }
     if ($defaultProperties[$propertyName] !== $signature) {
         throw InvalidSignatureException::fromInvalidSignature($class, $parameters, $defaultProperties[$propertyName], $signature);
     }
 }
 public function testFromInvalidSignature()
 {
     $exception = InvalidSignatureException::fromInvalidSignature(new ReflectionClass(__CLASS__), array('foo' => 'bar', 'baz' => 'tab'), 'blah', 'expected-signature');
     $this->assertInstanceOf('ProxyManager\\Signature\\Exception\\InvalidSignatureException', $exception);
     $this->assertSame('Found signature "blah" for class "' . __CLASS__ . '" does not correspond to expected signature "expected-signature" for 2 parameters', $exception->getMessage());
 }