public function testButton()
{
$result = $this->form->button('Foo!', array('id' => 'bar'));
$this->assertTags($result, array('button' => array('id' => 'bar'), 'Foo!', '/button'));
$result = $this->form->button('Continue >', array('type' => 'submit'));
$this->assertTags($result, array('button' => array('type' => 'submit', 'id' => 'Continue'), 'Continue >', '/button'));
}