public function testHelperCheckbox()
{
$view = $this->getView();
$result = $view->checkbox('test', 1, true, ['class' => 'foo']);
$this->assertEquals('<input class="foo" checked="checked" value="1" name="test" type="checkbox"/>', $result);
$result = $view->checkbox('sex', 'male', 'male', ['class' => 'foo']);
$this->assertEquals('<input class="foo" checked="checked" value="male" name="sex" type="checkbox"/>', $result);
}