Source

						public function testFormErrorMultipleBindings() {
		$record1 = new Record(array('model' => $this->_model, 'data' => array(
			'author_id' => '2',
			'title' => 'New post',
			'body' => 'New post body'
		)));
		$record2 = new Record(array('model' => $this->_model2, 'data' => array(
			'section' => 'New post section',
			'notes' => 'New post notes'
		)));

		$record1->errors(array('title' => 'Not a cool title'));
		$record2->errors(array('section' => 'Not a cool section'));

		$this->form->create(compact('record1', 'record2'));

		$result = $this->form->error('title');
		$this->assertTags($result, array(
			'div' => array('class' => 'error'), 'Not a cool title', '/div'
		));

		$result = $this->form->error('body');
		$this->assertTrue(empty($result));

		$result = $this->form->error('record1.title');
		$this->assertTags($result, array(
			'div' => array('class' => 'error'), 'Not a cool title', '/div'
		));

		$result = $this->form->error('record2.section');
		$this->assertTags($result, array(
			'div' => array('class' => 'error'), 'Not a cool section', '/div'
		));
	}