public function testAttributeMinimization()
{
$attributes = array('selected' => 1);
$expected = ' selected="selected"';
$result = $this->helper->testAttributes($attributes);
$this->assertEqual($expected, $result);
$attributes = array('selected' => true);
$expected = ' selected="selected"';
$result = $this->helper->testAttributes($attributes);
$this->assertEqual($expected, $result);
$attributes = array('selected' => 'true');
$expected = ' selected="true"';
$result = $this->helper->testAttributes($attributes);
$this->assertEqual($expected, $result);
}