WebPlatformTest/dom/nodes/attributes/setAttributeNS_A08_t01.dart

/*
 * Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/*
 * Portions of this test are derived from code under the following license:
 *
 * Web-platform-tests are covered by the dual-licensing approach described in:
 * http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html
 */
/*
 * after web-platform-tests/dom/nodes/attributes.html
 *
 * @assertion <link rel=help href="http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#dom-element-setattributens">
 * 
 * @description Setting the same attribute with another prefix should not change the prefix
 * @issue #16395 - Incorrect Element.getAttributeNS()
 */

import 'dart:html';
import "../../../Utils/expectWeb.dart";

void main() {
  var el = document.createElement("foo");
  el.setAttributeNS("a", "foo:bar", "X");
  document.body.append(el);
  
  Expect.equals(1, el.getNamespacedAttributes("a").length, "length 1");
  Expect.equals("X", el.getAttributeNS("a", "foo:bar"));

  el.setAttributeNS("a", "quux:bar", "Y");
  Expect.equals(1, el.getNamespacedAttributes("a").length, "length 2");
  Expect.equals("Y", el.getAttributeNS("a", "foo:bar"));
}