public function testAddParameters() { $source = "key1=1&key2=2"; $qs = new Http\QueryString($source); $qs->addParameters(array('key2' => 3, 'key3' => 2)); $this->assertEquals($qs->key2, 3); $this->assertEquals("key1=1&key2=3&key3=2", $qs->__toString()); }