forked from mirrors/gecko-dev
d2e647e133
Backed out changeset 138b8596a9cd (bug 1485305) Backed out changeset d9f04aeeeef7 (bug 1485305) Backed out changeset cd063d8afe4e (bug 1485305) Backed out changeset 2f8a5a03ccb5 (bug 1485305) Backed out changeset 8085d1eefd7c (bug 1485305) Backed out changeset 3aaccb374a59 (bug 1485305) Backed out changeset 3a111e9e5c9c (bug 1485305) Backed out changeset 61aa1cfb0b01 (bug 1485305) Backed out changeset bca973d90acc (bug 1485305) Backed out changeset 4eb33bf25d6f (bug 1485305)
464 lines
16 KiB
JavaScript
464 lines
16 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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// This file spawns content tasks.
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/* eslint-env mozilla/frame-script */
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"use strict";
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requestLongerTimeout(10);
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const PAGE_1 = "data:text/html,<html><body>A%20regular,%20everyday,%20normal%20page.";
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const PAGE_2 = "data:text/html,<html><body>Another%20regular,%20everyday,%20normal%20page.";
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// Turn off tab animations for testing and use a single content process
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// for these tests since we want to test tabs within the crashing process here.
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add_task(async function test_initialize() {
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await SpecialPowers.pushPrefEnv({
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set: [
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[ "toolkit.cosmeticAnimations.enabled", false],
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] });
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});
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// Allow tabs to restore on demand so we can test pending states
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Services.prefs.clearUserPref("browser.sessionstore.restore_on_demand");
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function clickButton(browser, id) {
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info("Clicking " + id);
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let frame_script = (buttonId) => {
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let button = content.document.getElementById(buttonId);
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button.click();
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};
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let mm = browser.messageManager;
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mm.loadFrameScript("data:,(" + frame_script.toString() + ")('" + id + "');", false);
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}
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/**
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* Checks the documentURI of the root document of a remote browser
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* to see if it equals URI. Returns a Promise that resolves if
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* there is a match, and rejects with an error message if they
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* do not match.
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*
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* @param browser
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* The remote <xul:browser> to check the root document URI in.
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* @param URI
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* A string to match the root document URI against.
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* @return Promise
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*/
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function promiseContentDocumentURIEquals(browser, URI) {
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return new Promise((resolve, reject) => {
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let frame_script = () => {
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sendAsyncMessage("test:documenturi", {
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uri: content.document.documentURI,
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});
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};
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let mm = browser.messageManager;
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mm.addMessageListener("test:documenturi", function onMessage(message) {
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mm.removeMessageListener("test:documenturi", onMessage);
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let contentURI = message.data.uri;
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if (contentURI == URI) {
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resolve();
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} else {
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reject(`Content has URI ${contentURI} which does not match ${URI}`);
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}
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});
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mm.loadFrameScript("data:,(" + frame_script.toString() + ")();", false);
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});
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}
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/**
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* Checks the window.history.length of the root window of a remote
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* browser to see if it equals length. Returns a Promise that resolves
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* if there is a match, and rejects with an error message if they
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* do not match.
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*
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* @param browser
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* The remote <xul:browser> to check the root window.history.length
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* @param length
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* The expected history length
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* @return Promise
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*/
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function promiseHistoryLength(browser, length) {
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return new Promise((resolve, reject) => {
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let frame_script = () => {
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sendAsyncMessage("test:historylength", {
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length: content.history.length,
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});
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};
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let mm = browser.messageManager;
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mm.addMessageListener("test:historylength", function onMessage(message) {
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mm.removeMessageListener("test:historylength", onMessage);
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let contentLength = message.data.length;
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if (contentLength == length) {
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resolve();
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} else {
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reject(`Content has window.history.length ${contentLength} which does ` +
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`not equal expected ${length}`);
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}
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});
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mm.loadFrameScript("data:,(" + frame_script.toString() + ")();", false);
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});
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}
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/**
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* Returns a Promise that resolves when a browser has fired the
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* AboutTabCrashedReady event.
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*
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* @param browser
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* The remote <xul:browser> that will fire the event.
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* @return Promise
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*/
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function promiseTabCrashedReady(browser) {
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return new Promise((resolve) => {
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browser.addEventListener("AboutTabCrashedReady", function ready(e) {
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browser.removeEventListener("AboutTabCrashedReady", ready, false, true);
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resolve();
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}, false, true);
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});
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}
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/**
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* Checks that if a tab crashes, that information about the tab crashed
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* page does not get added to the tab history.
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*/
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add_task(async function test_crash_page_not_in_history() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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// Check the tab state and make sure the tab crashed page isn't
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// mentioned.
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let {entries} = JSON.parse(ss.getTabState(newTab));
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is(entries.length, 1, "Should have a single history entry");
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is(entries[0].url, PAGE_1,
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"Single entry should be the page we visited before crashing");
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that if a tab crashes, that when we browse away from that page
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* to a non-blacklisted site (so the browser becomes remote again), that
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* we record history for that new visit.
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*/
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add_task(async function test_revived_history_from_remote() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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// Browse to a new site that will cause the browser to
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// become remote again.
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browser.loadURI(PAGE_2);
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await promiseTabRestored(newTab);
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ok(!newTab.hasAttribute("crashed"), "Tab shouldn't be marked as crashed anymore.");
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await TabStateFlusher.flush(browser);
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// Check the tab state and make sure the tab crashed page isn't
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// mentioned.
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let {entries} = JSON.parse(ss.getTabState(newTab));
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is(entries.length, 2, "Should have two history entries");
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is(entries[0].url, PAGE_1,
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"First entry should be the page we visited before crashing");
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is(entries[1].url, PAGE_2,
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"Second entry should be the page we visited after crashing");
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that if a tab crashes, that when we browse away from that page
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* to a blacklisted site (so the browser stays non-remote), that
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* we record history for that new visit.
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*/
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add_task(async function test_revived_history_from_non_remote() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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// Browse to a new site that will not cause the browser to
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// become remote again.
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browser.loadURI("about:mozilla");
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await promiseBrowserLoaded(browser);
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ok(!newTab.hasAttribute("crashed"), "Tab shouldn't be marked as crashed anymore.");
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ok(!browser.isRemoteBrowser, "Should not be a remote browser");
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await TabStateFlusher.flush(browser);
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// Check the tab state and make sure the tab crashed page isn't
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// mentioned.
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let {entries} = JSON.parse(ss.getTabState(newTab));
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is(entries.length, 2, "Should have two history entries");
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is(entries[0].url, PAGE_1,
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"First entry should be the page we visited before crashing");
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is(entries[1].url, "about:mozilla",
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"Second entry should be the page we visited after crashing");
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that we can revive a crashed tab back to the page that
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* it was on when it crashed.
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*/
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add_task(async function test_revive_tab_from_session_store() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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let newTab2 = BrowserTestUtils.addTab(gBrowser, "about:blank", { sameProcessAsFrameLoader: browser.frameLoader });
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let browser2 = newTab2.linkedBrowser;
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ok(browser2.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser2);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_2);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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// Background tabs should not be crashed, but should be in the "to be restored"
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// state.
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ok(!newTab2.hasAttribute("crashed"), "Second tab should not be crashed.");
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ok(newTab2.hasAttribute("pending"), "Second tab should be pending.");
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// Use SessionStore to revive the first tab
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clickButton(browser, "restoreTab");
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await promiseTabRestored(newTab);
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ok(!newTab.hasAttribute("crashed"), "Tab shouldn't be marked as crashed anymore.");
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ok(newTab2.hasAttribute("pending"), "Second tab should still be pending.");
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// We can't just check browser.currentURI.spec, because from
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// the outside, a crashed tab has the same URI as the page
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// it crashed on (much like an about:neterror page). Instead,
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// we have to use the documentURI on the content.
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await promiseContentDocumentURIEquals(browser, PAGE_2);
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// We should also have two entries in the browser history.
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await promiseHistoryLength(browser, 2);
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gBrowser.removeTab(newTab);
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gBrowser.removeTab(newTab2);
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});
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/**
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* Checks that we can revive multiple crashed tabs back to the pages
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* that they were on when they crashed.
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*/
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add_task(async function test_revive_all_tabs_from_session_store() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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// In order to see a second about:tabcrashed page, we'll need
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// a second window, since only selected tabs will show
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// about:tabcrashed.
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let win2 = await BrowserTestUtils.openNewBrowserWindow();
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let newTab2 = BrowserTestUtils.addTab(win2.gBrowser, PAGE_1, { sameProcessAsFrameLoader: browser.frameLoader });
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win2.gBrowser.selectedTab = newTab2;
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let browser2 = newTab2.linkedBrowser;
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ok(browser2.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser2);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_2);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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await TabStateFlusher.flush(browser2);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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// Both tabs should now be crashed.
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is(newTab.getAttribute("crashed"), "true", "First tab should be crashed");
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is(newTab2.getAttribute("crashed"), "true", "Second window tab should be crashed");
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// Use SessionStore to revive all the tabs
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clickButton(browser, "restoreAll");
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await promiseTabRestored(newTab);
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ok(!newTab.hasAttribute("crashed"), "Tab shouldn't be marked as crashed anymore.");
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ok(!newTab.hasAttribute("pending"), "Tab shouldn't be pending.");
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ok(!newTab2.hasAttribute("crashed"), "Second tab shouldn't be marked as crashed anymore.");
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ok(!newTab2.hasAttribute("pending"), "Second tab shouldn't be pending.");
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// We can't just check browser.currentURI.spec, because from
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// the outside, a crashed tab has the same URI as the page
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// it crashed on (much like an about:neterror page). Instead,
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// we have to use the documentURI on the content.
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await promiseContentDocumentURIEquals(browser, PAGE_2);
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await promiseContentDocumentURIEquals(browser2, PAGE_1);
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// We should also have two entries in the browser history.
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await promiseHistoryLength(browser, 2);
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await BrowserTestUtils.closeWindow(win2);
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gBrowser.removeTab(newTab);
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});
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/**
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* Checks that about:tabcrashed can close the current tab
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*/
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add_task(async function test_close_tab_after_crash() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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let promise = BrowserTestUtils.waitForEvent(gBrowser.tabContainer, "TabClose");
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// Click the close tab button
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clickButton(browser, "closeTab");
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await promise;
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is(gBrowser.tabs.length, 1, "Should have closed the tab");
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});
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/**
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* Checks that "restore all" button is only shown if more than one tab
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* is showing about:tabcrashed
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*/
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add_task(async function test_hide_restore_all_button() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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let doc = browser.contentDocument;
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let restoreAllButton = doc.getElementById("restoreAll");
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let restoreOneButton = doc.getElementById("restoreTab");
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let restoreAllStyles = window.getComputedStyle(restoreAllButton);
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is(restoreAllStyles.display, "none", "Restore All button should be hidden");
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ok(restoreOneButton.classList.contains("primary"), "Restore Tab button should have the primary class");
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let newTab2 = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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browser.loadURI(PAGE_2);
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await promiseBrowserLoaded(browser);
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// Load up a second window so we can get another tab to show
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// about:tabcrashed
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let win2 = await BrowserTestUtils.openNewBrowserWindow();
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let newTab3 = BrowserTestUtils.addTab(win2.gBrowser, PAGE_2, { sameProcessAsFrameLoader: browser.frameLoader });
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win2.gBrowser.selectedTab = newTab3;
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let otherWinBrowser = newTab3.linkedBrowser;
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await promiseBrowserLoaded(otherWinBrowser);
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// We'll need to make sure the second tab's browser has finished
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// sending its AboutTabCrashedReady event before we know for
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// sure whether or not we're showing the right Restore buttons.
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let otherBrowserReady = promiseTabCrashedReady(otherWinBrowser);
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// Crash the first tab.
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await BrowserTestUtils.crashBrowser(browser);
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await otherBrowserReady;
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doc = browser.contentDocument;
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restoreAllButton = doc.getElementById("restoreAll");
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restoreOneButton = doc.getElementById("restoreTab");
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restoreAllStyles = window.getComputedStyle(restoreAllButton);
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isnot(restoreAllStyles.display, "none", "Restore All button should not be hidden");
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ok(!(restoreOneButton.classList.contains("primary")), "Restore Tab button should not have the primary class");
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await BrowserTestUtils.closeWindow(win2);
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gBrowser.removeTab(newTab);
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gBrowser.removeTab(newTab2);
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});
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add_task(async function test_aboutcrashedtabzoom() {
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let newTab = BrowserTestUtils.addTab(gBrowser);
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gBrowser.selectedTab = newTab;
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let browser = newTab.linkedBrowser;
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ok(browser.isRemoteBrowser, "Should be a remote browser");
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await promiseBrowserLoaded(browser);
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browser.loadURI(PAGE_1);
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await promiseBrowserLoaded(browser);
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FullZoom.enlarge();
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let zoomLevel = ZoomManager.getZoomForBrowser(browser);
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ok(zoomLevel !== 1, "should have enlarged");
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await TabStateFlusher.flush(browser);
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// Crash the tab
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await BrowserTestUtils.crashBrowser(browser);
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ok(ZoomManager.getZoomForBrowser(browser) === 1, "zoom should have reset on crash");
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clickButton(browser, "restoreTab");
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await promiseTabRestored(newTab);
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ok(ZoomManager.getZoomForBrowser(browser) === zoomLevel, "zoom should have gone back to enlarged");
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FullZoom.reset();
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gBrowser.removeTab(newTab);
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});
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