The Tor Browser / file revision

 /* vim:set ts=2 sw=2 sts=2 et: */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 // Tests the console history feature accessed via the up and down arrow keys.

 const TEST_URI = "http://example.com/browser/browser/devtools/webconsole/test/test-console.html";

 // Constants used for defining the direction of JSTerm input history navigation.

 const HISTORY_BACK = -1;

 const HISTORY_FORWARD = 1;

 function test() {

   addTab(TEST_URI);

   browser.addEventListener("load", function onLoad() {

     browser.removeEventListener("load", onLoad, true);

     openConsole(null, testHistory);

   }, true);

 }

 function testHistory(hud) {

   let jsterm = hud.jsterm;

   let input = jsterm.inputNode;

   let executeList = ["document", "window", "window.location"];

   for each (var item in executeList) {

     input.value = item;

     jsterm.execute();

   }

   for (var i = executeList.length - 1; i != -1; i--) {

     jsterm.historyPeruse(HISTORY_BACK);

     is (input.value, executeList[i], "check history previous idx:" + i);

   }

   jsterm.historyPeruse(HISTORY_BACK);

   is (input.value, executeList[0], "test that item is still index 0");

   jsterm.historyPeruse(HISTORY_BACK);

   is (input.value, executeList[0], "test that item is still still index 0");

   for (var i = 1; i < executeList.length; i++) {

     jsterm.historyPeruse(HISTORY_FORWARD);

     is (input.value, executeList[i], "check history next idx:" + i);

   }

   jsterm.historyPeruse(HISTORY_FORWARD);

   is (input.value, "", "check input is empty again");

   // Simulate pressing Arrow_Down a few times and then if Arrow_Up shows

   // the previous item from history again.

   jsterm.historyPeruse(HISTORY_FORWARD);

   jsterm.historyPeruse(HISTORY_FORWARD);

   jsterm.historyPeruse(HISTORY_FORWARD);

   is (input.value, "", "check input is still empty");

   let idxLast = executeList.length - 1;

   jsterm.historyPeruse(HISTORY_BACK);

   is (input.value, executeList[idxLast], "check history next idx:" + idxLast);

   executeSoon(finishTest);

 }