public function testSetNested() {
		$doc = new Document(array('model' => $this->_model));
		$doc->id = 123;
		$doc->name = 'father';
		$doc->set(array('child' => array('id' => 124, 'name' => 'child')));

		$this->assertEqual('father', $doc->name);

		$this->assertTrue(is_object($doc->child), 'children is not an object');
		$this->assertTrue($doc->child instanceof Document, 'Child is not of the type Document');
		$this->skipIf(!$doc->child instanceof Document, 'Child is not of the type Document');

		$expected = 124;
		$result = $doc->child->id;
		$this->assertEqual($expected, $result);

		$expected = 'child';
		$result = $doc->child->name;
		$this->assertEqual($expected, $result);
	}