Auth_OpenID_Message::isOpenID2 PHP Method

    function isOpenID2()
    {
        return $this->getOpenIDNamespace() == Auth_OpenID_OPENID2_NS;
    }

 function test_isOpenID2()
 {
     $ns = 'http://specs.openid.net/auth/2.0';
     $m = new Auth_OpenID_Message($ns);
     $this->assertTrue($m->isOpenID2());
     $this->assertFalse($m->namespaces->isImplicit(Auth_OpenID_NULL_NAMESPACE));
     $this->assertEquals($ns, $m->getOpenIDNamespace());
 }