Add remaining text/caret navigation commands to ChromeVox Next.

chrome/browser/resources/chromeos/chromevox/testing/mock_tts.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.
 
 /**
  * Mock tts class.
  * @constructor
  * @extends {cvox.TtsInterface}
  */
 var MockTts = function() {
@@ skipping 31 matching lines @@
     var expectation = {};
     expectation.endCallback = opt_callback;
     this.addExpectation_(expectedText, expectation);
   },
 
   /**
    * Adds an expectation for the given string to be spoken after |opt_callback|
    * executes.
    * @param {string} expectedText
    * @param {function() : void=} opt_callback
+   * @param {boolean=} opt_exact Expect an exact match; defaults to false.
    */
-  expectSpeechAfter: function(expectedText, opt_callback) {
+  expectSpeechAfter: function(expectedText, opt_callback, opt_exact) {
     var expectation = {};
     if (this.expectations_.length == 0 && opt_callback)
       opt_callback();
     else
       expectation.startCallback = opt_callback;
-    this.addExpectation_(expectedText, expectation);
+    this.addExpectation_(expectedText, expectation, opt_exact);
   },
 
   /**
    * Finishes expectations and calls testDone.
    */
   finishExpectations: function() {
     this.expectSpeechAfter('', testDone);
   },
 
   /**
    * @private
    * @param {string} expectedText Text expected spoken.
    * @param {{startCallback: function() : void,
    *     endCallback: function() : void}=} opt_expectation
+   * @param {boolean=} opt_exact Expects an exact match.
    */
-  addExpectation_: function(expectedText, opt_expectation) {
+  addExpectation_: function(expectedText, opt_expectation, opt_exact) {
     var expectation = opt_expectation ? opt_expectation : {};
 
     expectation.predicate = function(actualText) {
+      if (opt_exact)
+        return actualText === expectedText;
       return actualText.indexOf(expectedText) != -1;
     };
 
     this.expectations_.push(expectation);
 
     // Process any idleUtterances.
     this.idleUtterances_.forEach(function(utterance) {
       this.process_(utterance, true);
     });
   },
@@ skipping 17 matching lines @@
       if (targetExpectation.endCallback)
         targetExpectation.endCallback();
       var nextExpectation = this.expectations_[0];
       if (nextExpectation && nextExpectation.startCallback)
         nextExpectation.startCallback();
     } else {
       this.expectations_.unshift(targetExpectation);
     }
   },
 };