public function testInherit()
{
$this->schema->add('Phantom.Masked', 25, 'int', false);
$this->schema->add('Phantom.Unmasked', 89, 'int', false);
$this->schema->add('Phantom.Latemasked', 11, 'int', false);
$config = new HTMLPurifier_Config($this->schema);
$config->set('Phantom.Masked', 800);
$subconfig = HTMLPurifier_Config::inherit($config);
$config->set('Phantom.Latemasked', 100, 'int', false);
$this->assertIdentical($subconfig->get('Phantom.Masked'), 800);
$this->assertIdentical($subconfig->get('Phantom.Unmasked'), 89);
$this->assertIdentical($subconfig->get('Phantom.Latemasked'), 100);
}