facebook / facebook-php-sdk-v4

        $this->assertInstanceOf('Facebook\Url\FacebookUrlDetectionHandler', $fb->getUrlDetectionHandler());

    }

    public function testAnAccessTokenCanBeSetAsAString()

    {

        $fb = new Facebook($this->config);

        $fb->setDefaultAccessToken('foo_token');

        $accessToken = $fb->getDefaultAccessToken();

        $this->assertInstanceOf('Facebook\Authentication\AccessToken', $accessToken);

        $this->assertEquals('foo_token', (string)$accessToken);

    }

    public function testAnAccessTokenCanBeSetAsAnAccessTokenEntity()

    {

        $this->assertEquals('foo_token', (string)$accessToken);

    }

    public function testAnAccessTokenCanBeSetAsAnAccessTokenEntity()

    {

        $fb = new Facebook($this->config);

        $fb->setDefaultAccessToken(new AccessToken('bar_token'));

        $accessToken = $fb->getDefaultAccessToken();

        $this->assertInstanceOf('Facebook\Authentication\AccessToken', $accessToken);

        $this->assertEquals('bar_token', (string)$accessToken);

    }

    /**

     * @expectedException \InvalidArgumentException