gecko/browser/devtools/sourceeditor/test/browser_bug687568_pagescroll.js

90 lines
2.6 KiB
JavaScript

/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
let tempScope = {};
Cu.import("resource:///modules/source-editor.jsm", tempScope);
let SourceEditor = tempScope.SourceEditor;
let testWin;
let editor;
function test()
{
let component = Services.prefs.getCharPref(SourceEditor.PREFS.COMPONENT);
if (component != "orion") {
ok(true, "skip test for bug 687568: only applicable for Orion");
return; // Testing for the fix requires direct Orion API access.
}
waitForExplicitFinish();
const windowUrl = "data:application/vnd.mozilla.xul+xml,<?xml version='1.0'?>" +
"<window xmlns='http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul'" +
" title='test for bug 687568 - page scroll' width='600' height='500'>" +
"<box flex='1'/></window>";
const windowFeatures = "chrome,titlebar,toolbar,centerscreen,resizable,dialog=no";
testWin = Services.ww.openWindow(null, windowUrl, "_blank", windowFeatures, null);
testWin.addEventListener("load", function onWindowLoad() {
testWin.removeEventListener("load", onWindowLoad, false);
waitForFocus(initEditor, testWin);
}, false);
}
function initEditor()
{
let box = testWin.document.querySelector("box");
editor = new SourceEditor();
editor.init(box, { showLineNumbers: true }, editorLoaded);
}
function editorLoaded()
{
editor.focus();
let view = editor._view;
let model = editor._model;
let lineHeight = view.getLineHeight();
let editorHeight = view.getClientArea().height;
let linesPerPage = Math.floor(editorHeight / lineHeight);
let totalLines = 3 * linesPerPage;
let text = "";
for (let i = 0; i < totalLines; i++) {
text += "l" + i + "\n";
}
editor.setText(text);
editor.setCaretOffset(0);
EventUtils.synthesizeKey("VK_DOWN", {shiftKey: true}, testWin);
EventUtils.synthesizeKey("VK_DOWN", {shiftKey: true}, testWin);
EventUtils.synthesizeKey("VK_DOWN", {shiftKey: true}, testWin);
let bottomLine = view.getBottomIndex(true);
view.setTopIndex(bottomLine + 1);
executeSoon(function() {
EventUtils.synthesizeKey("VK_PAGE_DOWN", {shiftKey: true}, testWin);
executeSoon(function() {
let topLine = view.getTopIndex(true);
let topLineOffset = model.getLineStart(topLine);
let selection = editor.getSelection();
ok(selection.start < topLineOffset && topLineOffset < selection.end,
"top visible line is selected");
editor.destroy();
testWin.close();
testWin = editor = null;
waitForFocus(finish, window);
});
});
}