forked from mirrors/gecko-dev
53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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const ROOT = getRootDirectory(gTestPath).replace(
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"chrome://mochitests/content",
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"http://mochi.test:8888"
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);
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const URL1 = ROOT + "file_backforward_restore_scroll.html";
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const URL2 = "http://example.net/";
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const SCROLL0 = 500;
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const SCROLL1 = 1000;
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function promiseBrowserLoaded(url) {
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return BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser, false, url);
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}
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add_task(async function test() {
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await BrowserTestUtils.openNewForegroundTab(gBrowser, URL1);
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// Scroll the 2 frames.
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let children = gBrowser.selectedBrowser.browsingContext.children;
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await SpecialPowers.spawn(children[0], [SCROLL0], scrollY =>
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content.scrollTo(0, scrollY)
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);
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await SpecialPowers.spawn(children[1], [SCROLL1], scrollY =>
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content.scrollTo(0, scrollY)
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);
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// Navigate forwards then backwards.
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let loaded = promiseBrowserLoaded(URL2);
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BrowserTestUtils.loadURI(gBrowser.selectedBrowser, URL2);
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await loaded;
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loaded = promiseBrowserLoaded(URL1);
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await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {
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content.history.back();
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});
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await loaded;
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// And check the results.
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children = gBrowser.selectedBrowser.browsingContext.children;
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await SpecialPowers.spawn(children[0], [SCROLL0], scrollY => {
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Assert.equal(content.scrollY, scrollY, "frame 0 has correct scroll");
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});
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await SpecialPowers.spawn(children[1], [SCROLL1], scrollY => {
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Assert.equal(content.scrollY, scrollY, "frame 1 has correct scroll");
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});
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gBrowser.removeTab(gBrowser.selectedTab);
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});
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