/**
* @testdox remove('denyChild', 'img') normalizes tag names
*/
public function testRemoveNormalizesTagName()
{
$ruleset = new Ruleset();
$ruleset->denyChild('FOO');
$ruleset->denyChild('IMG');
$ruleset->denyChild('IMG');
$ruleset->remove('denyChild', 'img');
$this->assertEquals(['defaultChildRule' => 'allow', 'defaultDescendantRule' => 'allow', 'denyChild' => ['FOO']], iterator_to_array($ruleset));
}
