Symfony\Component\Form\Tests\FormFactoryBuilderTest::testAddTypeGuesser PHP Method

    public function testAddTypeGuesser()
    {
        $factoryBuilder = new FormFactoryBuilder();
        $factoryBuilder->addTypeGuesser($this->guesser);

        $factory = $factoryBuilder->getFormFactory();
        $registry = $this->registry->getValue($factory);
        $extensions = $registry->getExtensions();

        $this->assertCount(1, $extensions);
        $this->assertNotNull($extensions[0]->getTypeGuesser());
    }