function test_onealias()
{
$nsm = new Auth_OpenID_NamespaceMap();
$uri = 'http://example.com/foo';
$alias = "foo";
$nsm->addAlias($uri, $alias);
$this->assertTrue($nsm->getNamespaceURI($alias) == $uri);
$this->assertTrue($nsm->getAlias($uri) == $alias);
}