public function testAppSecretProof()
{
FacebookSession::enableAppSecretProof(true);
$request = new FacebookRequest(FacebookTestHelper::$testSession, 'GET', '/me');
$this->assertTrue(isset($request->getParameters()['appsecret_proof']));
FacebookSession::enableAppSecretProof(false);
$request = new FacebookRequest(FacebookTestHelper::$testSession, 'GET', '/me');
$this->assertTrue(!isset($request->getParameters()['appsecret_proof']));
}