ui_test.html - Android社区 - https://www.androidos.net.cn/

<!DOCTYPE HTML>
<html>
<!--
Copyright (c) 2012 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<head>
<title>UI tests</title>
<script src="base.js"></script>
<script>
  base.require('unittest');
  base.require('ui');
</script>
</head>
<body>
<script>
    'use strict';

    var TestElement = base.ui.define('div');
    TestElement.prototype = {
      __proto__: HTMLDivElement.prototype,

      decorate: function() {
        if (!this.decorateCallCount)
          this.decorateCallCount = 0;
        this.decorateCallCount++;
      }
    };

    function testDecorateOnceViaNew() {
      var testElement = new TestElement();
      assertEquals(1, testElement.decorateCallCount);
    }

    function testDecorateOnceDirectly() {
      var testElement = document.createElement('div');
      base.ui.decorate(testElement, TestElement);
      assertEquals(1, testElement.decorateCallCount);
    }
</script>
</body>
</html>