Implement ChromeVox next/previous line, link, and heading.

chrome/browser/resources/chromeos/chromevox/testing/chromevox_unittest_base.js

 // Copyright 2014 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.
 
 GEN_INCLUDE([
     'chrome/browser/resources/chromeos/chromevox/testing/assert_additions.js']);
-
-/**
- * Shortcut for document.getElementById.
- * @param {string} id of the element.
- * @return {HTMLElement} with the id.
- */
-function $(id) {
-  return document.getElementById(id);
-}
+GEN_INCLUDE([
+  'chrome/browser/resources/chromeos/chromevox/testing/common.js']);
 
 /**
  * Base test fixture for ChromeVox unit tests.
  *
  * Note that while conceptually these are unit tests, these tests need
  * to run in a full web page, so they're actually run as WebUI browser
  * tests.
  *
  * @constructor
  * @extends {testing.Test}
@@ skipping 41 matching lines @@
    * encoded as a comment inside a function, so you can use it like this:
    *
    * this.loadDoc(function() {/*!
    *     <p>Html goes here</p>
    * * /});
    *
    * @param {Function} commentEncodedHtml The html to load, embedded as a
    *     comment inside an anonymous function - see example, above.
    */
   loadDoc: function(commentEncodedHtml) {
-    var html = this.extractHtmlFromCommentEncodedString_(commentEncodedHtml);
+    var html =
+        TestUtils.extractHtmlFromCommentEncodedString(commentEncodedHtml);
     this.loadHtml(html);
   },
 
   /**
    * Appends some inlined html into the current document, at the end of
    * the body element. Takes the html encoded as a comment inside a function,
    * so you can use it like this:
    *
    * this.appendDoc(function() {/*!
    *     <p>Html goes here</p>
    * * /});
    *
    * @param {Function} commentEncodedHtml The html to load, embedded as a
    *     comment inside an anonymous function - see example, above.
    */
   appendDoc: function(commentEncodedHtml) {
-    var html = this.extractHtmlFromCommentEncodedString_(commentEncodedHtml);
+    var html =
+        TestUtils.extractHtmlFromCommentEncodedString(commentEncodedHtml);
     this.appendHtml(html);
   },
 
   /**
    * Appends some inlined html into the current document, at the end of
    * the body element.
    * @param {string} html The html to load as a string.
    */
   appendHtml: function(html) {
     var div = document.createElement('div');
     div.innerHTML = html;
     var fragment = document.createDocumentFragment();
     while (div.firstChild) {
       fragment.appendChild(div.firstChild);
     }
     document.body.appendChild(fragment);
   },
 
   /**
-   * Extracts some inlined html encoded as a comment inside a function,
-   * so you can use it like this:
-   *
-   * this.appendDoc(function() {/*!
-   *     <p>Html goes here</p>
-   * * /});
-   *
-   * @param {Function} commentEncodedHtml The html , embedded as a
-   *     comment inside an anonymous function - see example, above.
-   @ @return {String} The html text.
-   */
-  extractHtmlFromCommentEncodedString_: function(commentEncodedHtml) {
-    return commentEncodedHtml.toString().
-        replace(/^[^\/]+\/\*!?/, '').
-        replace(/\*\/[^\/]+$/, '');
-  },
-
-  /**
    * Waits for the queued events in ChromeVoxEventWatcher to be
    * handled, then calls a callback function with provided arguments
    * in the test case scope. Very useful for asserting the results of events.
    *
    * @param {function()} func A function to call when ChromeVox is ready.
    * @param {*} var_args Additional arguments to pass through to the function.
    * @return {ChromeVoxUnitTestBase} this.
    */
   waitForCalm: function(func, var_args) {
     var me = this;
@@ skipping 66 matching lines @@
     return this; // for chaining.
   },
 
   /**
    * @return {cvox.SpokenListBuilder} A new builder.
    */
   spokenList: function() {
     return new cvox.SpokenListBuilder();
   }
 };