fune/docshell/test/browser/browser_backforward_restore_scroll.js
Marco Bonardo 70fdad6676 Bug 1852963 - Rename BrowserTestUtils.loadURIString() to .startLoadingURIString(). r=dao
This should make a bit clearer that it is only starting the load, not waiting
for its completion.

Differential Revision: https://phabricator.services.mozilla.com/D188213
2023-09-15 09:16:34 +00:00

54 lines
1.7 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const ROOT = getRootDirectory(gTestPath).replace(
"chrome://mochitests/content",
"http://mochi.test:8888"
);
const URL1 = ROOT + "file_backforward_restore_scroll.html";
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
const URL2 = "http://example.net/";
const SCROLL0 = 500;
const SCROLL1 = 1000;
function promiseBrowserLoaded(url) {
return BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser, false, url);
}
add_task(async function test() {
await BrowserTestUtils.openNewForegroundTab(gBrowser, URL1);
// Scroll the 2 frames.
let children = gBrowser.selectedBrowser.browsingContext.children;
await SpecialPowers.spawn(children[0], [SCROLL0], scrollY =>
content.scrollTo(0, scrollY)
);
await SpecialPowers.spawn(children[1], [SCROLL1], scrollY =>
content.scrollTo(0, scrollY)
);
// Navigate forwards then backwards.
let loaded = promiseBrowserLoaded(URL2);
BrowserTestUtils.startLoadingURIString(gBrowser.selectedBrowser, URL2);
await loaded;
loaded = promiseBrowserLoaded(URL1);
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {
content.history.back();
});
await loaded;
// And check the results.
children = gBrowser.selectedBrowser.browsingContext.children;
await SpecialPowers.spawn(children[0], [SCROLL0], scrollY => {
Assert.equal(content.scrollY, scrollY, "frame 0 has correct scroll");
});
await SpecialPowers.spawn(children[1], [SCROLL1], scrollY => {
Assert.equal(content.scrollY, scrollY, "frame 1 has correct scroll");
});
gBrowser.removeTab(gBrowser.selectedTab);
});