downloads: Don't navigate to /# when a user clicks various links on

chrome/browser/ui/webui/downloads_ui_browsertest.js

 // Copyright 2013 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/ui/webui/downloads_ui_browsertest.h"');
 
 /** @const */ var TOTAL_RESULT_COUNT = 25;
 
 /**
  * Test C++ fixture for downloads WebUI testing.
  * @constructor
  * @extends {testing.Test}
  */
 function DownloadsUIBrowserTest() {}
 
 /**
  * Base fixture for Downloads WebUI testing.
  * @extends {testing.Test}
  * @constructor
  */
 function BaseDownloadsWebUITest() {}
 
 BaseDownloadsWebUITest.prototype = {
   __proto__: testing.Test.prototype,
 
   /**
    * Browse to the downloads page & call our preLoad().
    */
-  browsePreload: 'chrome://downloads',
+  browsePreload: 'chrome://downloads/',
 
   /** @override */
   typedefCppFixture: 'DownloadsUIBrowserTest',
 
   /** @override */
   testGenPreamble: function() {
     GEN('  SetDeleteAllowed(true);');
   },
 
   /**
@@ skipping 90 matching lines @@
 };
 
 // Test UI when removing entries is allowed.
 TEST_F('BaseDownloadsWebUITest', 'DeleteAllowed', function() {
   this.testHelper(true, false);
   // TODO(pamg): Mock out the back-end calls, so we can also test removing a
   // single item.
   testDone();
 });
 
+// Test that clicking <a href=#> doesn't actually go to #.
+TEST_F('BaseDownloadsWebUITest', 'PoundLinkClicksDontChangeUrl', function() {
+  assertEquals(this.browsePreload, document.location.href);
+  document.querySelector('.clear-all-link').click();
+  assertEquals(this.browsePreload, document.location.href);
+  testDone();
+});
+
 /**
  * Fixture for Downloads WebUI testing when deletions are prohibited.
  * @extends {BaseDownloadsWebUITest}
  * @constructor
  */
 function DownloadsWebUIDeleteProhibitedTest() {}
 
 DownloadsWebUIDeleteProhibitedTest.prototype = {
   __proto__: BaseDownloadsWebUITest.prototype,
 
@@ skipping 24 matching lines @@
   /** @override */
   typedefCppFixture: 'DownloadsWebUIForSupervisedUsersTest',
 };
 
 // Test UI for supervised users, removing entries should be disabled
 // and removal controls should be hidden.
 TEST_F('DownloadsWebUIForSupervisedUsersTest', 'SupervisedUsers', function() {
   this.testHelper(false, true);
   testDone();
 });