public function testRemoveAttribute()
{
$writer = new THtmlWriter(self::$output);
$writer->addAttribute('type', 'text');
$writer->addAttribute('value', 'Prado & Cie');
$writer->removeAttribute('value');
$result = self::readAttribute($writer, '_attributes');
// 'type' should be present, 'value' not
self::assertTrue(isset($result['type']));
self::assertFalse(isset($result['value']));
}
