public function testMatchesInQuery()
{
$q1 = new Query("Post");
$q1->exists("image");
$out1 = $q1->encode();
$where1 = array("image" => array('$exists' => true));
$this->assertEquals(json_encode($where1), $out1["where"]);
$query = new Query("TestObject");
$query->matchesInQuery("post", $q1);
$out = $query->encode();
$where = array("post" => array('$inQuery' => array("where" => $where1, "className" => "Post")));
$this->assertEquals(json_encode($where), $out["where"]);
$query = new Query("TestObject");
$query->notMatchInQuery("post", $q1);
$out = $query->encode();
$where = array("post" => array('$notInQuery' => array("where" => $where1, "className" => "Post")));
$this->assertEquals(json_encode($where), $out["where"]);
}