forked from mirrors/gecko-dev
90df11d2e4
MozReview-Commit-ID: 6smuca3vx5O --HG-- extra : rebase_source : 2853cce414d538076cdc5b066cb05989ba996299
67 lines
2.3 KiB
JavaScript
67 lines
2.3 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 BASE = "http://example.com/browser/browser/components/sessionstore/test/"
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const READER_MODE_URL = "about:reader?url=" +
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encodeURIComponent(BASE + "browser_scrollPositions_readerModeArticle.html");
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// Randomized set of scroll positions we will use in this test.
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const SCROLL_READER_MODE_Y = Math.round(400 * (1 + Math.random()));
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const SCROLL_READER_MODE_STR = "0," + SCROLL_READER_MODE_Y;
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requestLongerTimeout(2);
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/**
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* Test that scroll positions of about reader page after restoring background
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* tabs in a restored window (bug 1153393).
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*/
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add_task(function test_scroll_background_about_reader_tabs() {
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pushPrefs(["browser.sessionstore.restore_on_demand", true]);
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let newWin = yield BrowserTestUtils.openNewBrowserWindow();
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let tab = newWin.gBrowser.addTab(READER_MODE_URL);
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let browser = tab.linkedBrowser;
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yield Promise.all([
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BrowserTestUtils.browserLoaded(browser),
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BrowserTestUtils.waitForContentEvent(browser, "AboutReaderContentReady")
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]);
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// Scroll down a little.
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yield sendMessage(browser, "ss-test:setScrollPosition", {x: 0, y: SCROLL_READER_MODE_Y});
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yield checkScroll(tab, {scroll: SCROLL_READER_MODE_STR}, "scroll is fine");
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// Close the window
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yield BrowserTestUtils.closeWindow(newWin);
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// Now restore the window
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newWin = ss.undoCloseWindow(0);
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// Make sure to wait for the window to be restored.
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yield BrowserTestUtils.waitForEvent(newWin, "SSWindowStateReady");
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is(newWin.gBrowser.tabs.length, 2, "There should be two tabs");
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// The second tab should be the one we loaded URL at still
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tab = newWin.gBrowser.tabs[1];
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yield promiseTabRestoring(tab);
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ok(tab.hasAttribute("pending"), "Tab should be pending");
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browser = tab.linkedBrowser;
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// Ensure there are no pending queued messages in the child.
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yield TabStateFlusher.flush(browser);
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// Now check to see if the background tab remembers where it
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// should be scrolled to.
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newWin.gBrowser.selectedTab = tab;
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yield Promise.all([
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promiseTabRestored(tab),
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BrowserTestUtils.waitForContentEvent(tab.linkedBrowser, "AboutReaderContentReady")
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]);
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yield checkScroll(tab, {scroll: SCROLL_READER_MODE_STR}, "scroll is still fine");
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yield BrowserTestUtils.closeWindow(newWin);
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});
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