gecko/browser/devtools/styleeditor/test/browser_styleeditor_reload.js

/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

const TESTCASE_URI = TEST_BASE_HTTPS + "simple.html";
const NEW_URI = TEST_BASE_HTTPS + "media.html";

const LINE_NO = 5;
const COL_NO = 3;

let gContentWin;
let gUI;

function test()
{
  waitForExplicitFinish();

  addTabAndOpenStyleEditor(function(panel) {
    gContentWin = gBrowser.selectedTab.linkedBrowser.contentWindow.wrappedJSObject;
    gUI = panel.UI;

    let count = 0;
    gUI.on("editor-added", function editorAdded(event, editor) {
      if (++count == 2) {
        info("all editors added to UI");
        gUI.off("editor-added", editorAdded);
        gUI.editors[0].getSourceEditor().then(runTests);
      }
    })
  });

  content.location = TESTCASE_URI;
}

function runTests()
{
  let count = 0;
  gUI.once("editor-selected", (event, editor) => {
    editor.getSourceEditor().then(() => {
      info("selected second editor, about to reload page");
      reloadPage();

      gUI.on("editor-added", function editorAdded(event, editor) {
        if (++count == 2) {
          info("all editors added after reload");
          gUI.off("editor-added", editorAdded);
          gUI.editors[1].getSourceEditor().then(testRemembered);
        }
      })
    });
  });
  gUI.selectStyleSheet(gUI.editors[1].styleSheet.href, LINE_NO, COL_NO);
}

function testRemembered()
{
  is(gUI.selectedEditor, gUI.editors[1], "second editor is selected");

  let {line, ch} = gUI.selectedEditor.sourceEditor.getCursor();
  is(line, LINE_NO, "correct line selected");
  is(ch, COL_NO, "correct column selected");

  testNewPage();
}

function testNewPage()
{
  let count = 0;
  gUI.on("editor-added", function editorAdded(event, editor) {
    info("editor added here")
    if (++count == 2) {
      info("all editors added after navigating page");
      gUI.off("editor-added", editorAdded);
      gUI.editors[0].getSourceEditor().then(testNotRemembered);
    }
  })

  info("navigating to a different page");
  navigatePage();
}

function testNotRemembered()
{
  is(gUI.selectedEditor, gUI.editors[0], "first editor is selected");

  let {line, ch} = gUI.selectedEditor.sourceEditor.getCursor();
  is(line, 0, "first line is selected");
  is(ch, 0, "first column is selected");

  gUI = null;
  finish();
}

function reloadPage()
{
  gContentWin.location.reload();
}

function navigatePage()
{
  gContentWin.location = NEW_URI;
}