CallbackValidatorTest_Object example

    public function testNullIsValid()
    {
        $this->validator->validate(null, new Callback());

        $this->assertNoViolation();
    }

    public function testSingleMethod()
    {
        $object = new CallbackValidatorTest_Object();
        $constraint = new Callback('validate');

        $this->validator->validate($object, $constraint);

        $this->buildViolation('My message')
            ->setParameter('{{ value }}', 'foobar')
            ->assertRaised();
    }

    public function testSingleMethodExplicitName()
    {