history: left/right arrow should change focus even when history is read-only.

chrome/test/data/webui/history_browsertest.js

 // 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.
 
 GEN('#include "chrome/test/data/webui/history_ui_browsertest.h"');
 
 /** @const */ var TOTAL_RESULT_COUNT = 160;
 /** @const */ var WAIT_TIMEOUT = 200;
 
 /**
@@ skipping 760 matching lines @@
  */
 TEST_F('HistoryWebUIRealBackendTest', 'basic', function() {
   // Check that there are two days of entries, and three entries in total.
   assertEquals(2, document.querySelectorAll('.day').length);
   assertEquals(3, document.querySelectorAll('.entry').length);
 
   testDone();
 });
 
 TEST_F('HistoryWebUIRealBackendTest', 'atLeastOneFocusable', function() {
-  assertEquals(1, document.querySelectorAll('[tabindex="0"]').length);
+  expectEquals(1, document.querySelectorAll('[tabindex="0"]').length);
   testDone();
 });
 
 /**
  * Test individual deletion of history entries.
  */
 TEST_F('HistoryWebUIRealBackendTest', 'singleDeletion', function() {
   // Deletes the history entry represented by |entryElement|, and calls callback
   // when the deletion is complete.
   var removeEntry = function(entryElement, callback) {
@@ skipping 28 matching lines @@
     expectEquals(1, document.querySelectorAll('.day').length);
 
     // Delete another entry. The original third entry should now be the first.
     removeEntry(document.querySelector('.entry'), function() {
       expectEquals(thirdTitle, document.querySelector('.entry a').textContent);
       testDone();
     });
   });
 });
 
+TEST_F('HistoryWebUIRealBackendTest', 'leftRightChangeFocus', function() {
+  var visit = document.querySelector('.entry').visit;
+  visit.titleLink.focus();
+  assertEquals(visit.titleLink, document.activeElement);
+
+  var right = document.createEvent('KeyboardEvent');
+  right.initKeyboardEvent('keydown', true, true, window, 'Right');
+  assertEquals('Right', right.keyIdentifier);
+  expectFalse(visit.titleLink.dispatchEvent(right));
+
+  assertEquals(visit.dropDown, document.activeElement);
+
+  var left = document.createEvent('KeyboardEvent');
+  left.initKeyboardEvent('keydown', true, true, window, 'Left');
+  assertEquals('Left', left.keyIdentifier);
+  expectFalse(visit.dropDown.dispatchEvent(left));
+
+  expectEquals(visit.titleLink, document.activeElement);
+  testDone();
+});
+
 /**
  * Fixture for History WebUI testing when deletions are prohibited.
  * @extends {HistoryWebUIRealBackendTest}
  * @constructor
  */
 function HistoryWebUIDeleteProhibitedTest() {}
 
 HistoryWebUIDeleteProhibitedTest.prototype = {
   __proto__: HistoryWebUIRealBackendTest.prototype,
 
@@ skipping 21 matching lines @@
 
   // Attempting to remove items anyway should fail.
   historyModel.removeVisitsFromHistory(historyModel.visits_, function () {
     // The callback is only called on success.
     testDone([false, 'Delete succeeded even though it was prohibited.']);
   });
   waitForCallback('deleteFailed', testDone);
 });
 
 TEST_F('HistoryWebUIDeleteProhibitedTest', 'atLeastOneFocusable', function() {
-  assertEquals(1, document.querySelectorAll('[tabindex="0"]').length);
+  expectEquals(1, document.querySelectorAll('[tabindex="0"]').length);
   testDone();
 });
 
+TEST_F('HistoryWebUIDeleteProhibitedTest', 'leftRightChangeFocus', function() {
+  var visit = document.querySelector('.entry').visit;
+  visit.titleLink.focus();
+  assertEquals(visit.titleLink, document.activeElement);
+
+  var right = document.createEvent('KeyboardEvent');
+  right.initKeyboardEvent('keydown', true, true, window, 'Right');
+  assertEquals('Right', right.keyIdentifier);
+  expectFalse(visit.titleLink.dispatchEvent(right));
+
+  assertEquals(visit.dropDown, document.activeElement);
+
+  var left = document.createEvent('KeyboardEvent');
+  left.initKeyboardEvent('keydown', true, true, window, 'Left');
+  assertEquals('Left', left.keyIdentifier);
+  expectFalse(visit.dropDown.dispatchEvent(left));
+
+  expectEquals(visit.titleLink, document.activeElement);
+  testDone();
+});
+
 /**
  * Fixture for History WebUI testing IDN.
  * @extends {BaseHistoryWebUITest}
  * @constructor
  */
 function HistoryWebUIIDNTest() {}
 
 HistoryWebUIIDNTest.prototype = {
   __proto__: BaseHistoryWebUITest.prototype,
 
@@ skipping 51 matching lines @@
 TEST_F('HistoryWebUIWithSchemesTest', 'groupingWithSchemes', function() {
   // Switch to the week view.
   $('timeframe-filter-week').click();
   waitForCallback('historyResult', function() {
     // Each URL should be organized under a different "domain".
     expectEquals(document.querySelectorAll('.entry').length, 4);
     expectEquals(document.querySelectorAll('.site-domain-wrapper').length, 4);
     testDone();
   });
 });