Source

						public function testCustomRadio() {
		$result = $this->form->radio('foo', array('value' => '1'));
		$this->assertTags($result, array(
			array('input' => array(
				'type' => 'radio', 'value' => '1',  'name' => 'foo', 'id' => 'Foo'
			))
		));

		$result = $this->form->radio('foo', array('checked' => true, 'value' => '1'));
		$this->assertTags($result, array(
			array('input' => array(
				'type' => 'radio', 'value' => '1',  'name' => 'foo',
				'checked' => 'checked', 'id' => 'Foo'
			))
		));

		$record = new Record(array('model' => $this->_model, 'data' => array('foo' => true)));
		$this->form->create($record);

		$result = $this->form->radio('foo', array('value' => '1'));
		$this->assertTags($result, array(
			array('input' => array(
				'type' => 'radio', 'value' => '1',  'name' => 'foo',
				'id' => 'MockFormPostFoo', 'checked' => 'checked'
			))
		));

		$result = $this->form->radio('foo', array('value' => true));
		$this->assertTags($result, array(
			array('input' => array(
				'type' => 'radio', 'value' => '1',  'name' => 'foo',
				'id' => 'MockFormPostFoo', 'checked' => 'checked'
			))
		));
	}