forked from mirrors/gecko-dev
328 lines
No EOL
10 KiB
JavaScript
328 lines
No EOL
10 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
|
|
* http://creativecommons.org/publicdomain/zero/1.0/ */
|
|
|
|
"use strict";
|
|
|
|
const PAGE_1 = "data:text/html,<html><body>A%20regular,%20everyday,%20normal%20page.";
|
|
const PAGE_2 = "data:text/html,<html><body>Another%20regular,%20everyday,%20normal%20page.";
|
|
|
|
/**
|
|
* Returns a Promise that resolves once a remote <xul:browser> has experienced
|
|
* a crash. Also does the job of cleaning up the minidump of the crash.
|
|
*
|
|
* @param browser
|
|
* The <xul:browser> that will crash
|
|
* @return Promise
|
|
*/
|
|
function crashBrowser(browser) {
|
|
// This frame script is injected into the remote browser, and used to
|
|
// intentionally crash the tab. We crash by using js-ctypes and dereferencing
|
|
// a bad pointer. The crash should happen immediately upon loading this
|
|
// frame script.
|
|
let frame_script = () => {
|
|
const Cu = Components.utils;
|
|
Cu.import("resource://gre/modules/ctypes.jsm");
|
|
|
|
let dies = function() {
|
|
let zero = new ctypes.intptr_t(8);
|
|
let badptr = ctypes.cast(zero, ctypes.PointerType(ctypes.int32_t));
|
|
badptr.contents
|
|
};
|
|
|
|
dump("Et tu, Brute?");
|
|
dies();
|
|
}
|
|
|
|
let crashCleanupPromise = new Promise((resolve, reject) => {
|
|
let observer = (subject, topic, data) => {
|
|
is(topic, 'ipc:content-shutdown', 'Received correct observer topic.');
|
|
ok(subject instanceof Ci.nsIPropertyBag2,
|
|
'Subject implements nsIPropertyBag2.');
|
|
// we might see this called as the process terminates due to previous tests.
|
|
// We are only looking for "abnormal" exits...
|
|
if (!subject.hasKey("abnormal")) {
|
|
info("This is a normal termination and isn't the one we are looking for...");
|
|
return;
|
|
}
|
|
|
|
let dumpID;
|
|
if ('nsICrashReporter' in Ci) {
|
|
dumpID = subject.getPropertyAsAString('dumpID');
|
|
ok(dumpID, "dumpID is present and not an empty string");
|
|
}
|
|
|
|
if (dumpID) {
|
|
let minidumpDirectory = getMinidumpDirectory();
|
|
removeFile(minidumpDirectory, dumpID + '.dmp');
|
|
removeFile(minidumpDirectory, dumpID + '.extra');
|
|
}
|
|
|
|
Services.obs.removeObserver(observer, 'ipc:content-shutdown');
|
|
resolve();
|
|
};
|
|
|
|
Services.obs.addObserver(observer, 'ipc:content-shutdown');
|
|
});
|
|
|
|
let aboutTabCrashedLoadPromise = new Promise((resolve, reject) => {
|
|
browser.addEventListener("AboutTabCrashedLoad", function onCrash() {
|
|
browser.removeEventListener("AboutTabCrashedLoad", onCrash, false);
|
|
resolve();
|
|
}, false, true);
|
|
});
|
|
|
|
// This frame script will crash the remote browser as soon as it is
|
|
// evaluated.
|
|
let mm = browser.messageManager;
|
|
mm.loadFrameScript("data:,(" + frame_script.toString() + ")();", false);
|
|
return Promise.all([crashCleanupPromise, aboutTabCrashedLoadPromise]);
|
|
}
|
|
|
|
/**
|
|
* Returns the directory where crash dumps are stored.
|
|
*
|
|
* @return nsIFile
|
|
*/
|
|
function getMinidumpDirectory() {
|
|
let dir = Services.dirsvc.get('ProfD', Ci.nsIFile);
|
|
dir.append("minidumps");
|
|
return dir;
|
|
}
|
|
|
|
/**
|
|
* Removes a file from a directory. This is a no-op if the file does not
|
|
* exist.
|
|
*
|
|
* @param directory
|
|
* The nsIFile representing the directory to remove from.
|
|
* @param filename
|
|
* A string for the file to remove from the directory.
|
|
*/
|
|
function removeFile(directory, filename) {
|
|
let file = directory.clone();
|
|
file.append(filename);
|
|
if (file.exists()) {
|
|
file.remove(false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks the documentURI of the root document of a remote browser
|
|
* to see if it equals URI. Returns a Promise that resolves if
|
|
* there is a match, and rejects with an error message if they
|
|
* do not match.
|
|
*
|
|
* @param browser
|
|
* The remote <xul:browser> to check the root document URI in.
|
|
* @param URI
|
|
* A string to match the root document URI against.
|
|
* @return Promise
|
|
*/
|
|
function promiseContentDocumentURIEquals(browser, URI) {
|
|
return new Promise((resolve, reject) => {
|
|
let frame_script = () => {
|
|
sendAsyncMessage("test:documenturi", {
|
|
uri: content.document.documentURI,
|
|
});
|
|
};
|
|
|
|
let mm = browser.messageManager;
|
|
mm.addMessageListener("test:documenturi", function onMessage(message) {
|
|
mm.removeMessageListener("test:documenturi", onMessage);
|
|
let contentURI = message.data.uri;
|
|
if (contentURI == URI) {
|
|
resolve();
|
|
} else {
|
|
reject(`Content has URI ${contentURI} which does not match ${URI}`);
|
|
}
|
|
});
|
|
|
|
mm.loadFrameScript("data:,(" + frame_script.toString() + ")();", false);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Checks the window.history.length of the root window of a remote
|
|
* browser to see if it equals length. Returns a Promise that resolves
|
|
* if there is a match, and rejects with an error message if they
|
|
* do not match.
|
|
*
|
|
* @param browser
|
|
* The remote <xul:browser> to check the root window.history.length
|
|
* @param length
|
|
* The expected history length
|
|
* @return Promise
|
|
*/
|
|
function promiseHistoryLength(browser, length) {
|
|
return new Promise((resolve, reject) => {
|
|
let frame_script = () => {
|
|
sendAsyncMessage("test:historylength", {
|
|
length: content.history.length,
|
|
});
|
|
};
|
|
|
|
let mm = browser.messageManager;
|
|
mm.addMessageListener("test:historylength", function onMessage(message) {
|
|
mm.removeMessageListener("test:historylength", onMessage);
|
|
let contentLength = message.data.length;
|
|
if (contentLength == length) {
|
|
resolve();
|
|
} else {
|
|
reject(`Content has window.history.length ${contentLength} which does ` +
|
|
`not equal expected ${length}`);
|
|
}
|
|
});
|
|
|
|
mm.loadFrameScript("data:,(" + frame_script.toString() + ")();", false);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Checks that if a tab crashes, that information about the tab crashed
|
|
* page does not get added to the tab history.
|
|
*/
|
|
add_task(function test_crash_page_not_in_history() {
|
|
let newTab = gBrowser.addTab();
|
|
gBrowser.selectedTab = newTab;
|
|
let browser = newTab.linkedBrowser;
|
|
ok(browser.isRemoteBrowser, "Should be a remote browser");
|
|
yield promiseBrowserLoaded(browser);
|
|
|
|
browser.loadURI(PAGE_1);
|
|
yield promiseBrowserLoaded(browser);
|
|
TabState.flush(browser);
|
|
|
|
// Crash the tab
|
|
yield crashBrowser(browser);
|
|
// Flush out any notifications from the crashed browser.
|
|
TabState.flush(browser);
|
|
|
|
// Check the tab state and make sure the tab crashed page isn't
|
|
// mentioned.
|
|
let {entries} = JSON.parse(ss.getTabState(newTab));
|
|
is(entries.length, 1, "Should have a single history entry");
|
|
is(entries[0].url, PAGE_1,
|
|
"Single entry should be the page we visited before crashing");
|
|
|
|
gBrowser.removeTab(newTab);
|
|
});
|
|
|
|
/**
|
|
* Checks that if a tab crashes, that when we browse away from that page
|
|
* to a non-blacklisted site (so the browser becomes remote again), that
|
|
* we record history for that new visit.
|
|
*/
|
|
add_task(function test_revived_history_from_remote() {
|
|
let newTab = gBrowser.addTab();
|
|
gBrowser.selectedTab = newTab;
|
|
let browser = newTab.linkedBrowser;
|
|
ok(browser.isRemoteBrowser, "Should be a remote browser");
|
|
yield promiseBrowserLoaded(browser);
|
|
|
|
browser.loadURI(PAGE_1);
|
|
yield promiseBrowserLoaded(browser);
|
|
TabState.flush(browser);
|
|
|
|
// Crash the tab
|
|
yield crashBrowser(browser);
|
|
// Flush out any notifications from the crashed browser.
|
|
TabState.flush(browser);
|
|
|
|
// Browse to a new site that will cause the browser to
|
|
// become remote again.
|
|
browser.loadURI(PAGE_2);
|
|
yield promiseBrowserLoaded(browser);
|
|
ok(browser.isRemoteBrowser, "Should be a remote browser");
|
|
TabState.flush(browser);
|
|
|
|
// Check the tab state and make sure the tab crashed page isn't
|
|
// mentioned.
|
|
let {entries} = JSON.parse(ss.getTabState(newTab));
|
|
is(entries.length, 2, "Should have two history entries");
|
|
is(entries[0].url, PAGE_1,
|
|
"First entry should be the page we visited before crashing");
|
|
is(entries[1].url, PAGE_2,
|
|
"Second entry should be the page we visited after crashing");
|
|
|
|
gBrowser.removeTab(newTab);
|
|
});
|
|
|
|
/**
|
|
* Checks that if a tab crashes, that when we browse away from that page
|
|
* to a blacklisted site (so the browser stays non-remote), that
|
|
* we record history for that new visit.
|
|
*/
|
|
add_task(function test_revived_history_from_non_remote() {
|
|
let newTab = gBrowser.addTab();
|
|
gBrowser.selectedTab = newTab;
|
|
let browser = newTab.linkedBrowser;
|
|
ok(browser.isRemoteBrowser, "Should be a remote browser");
|
|
yield promiseBrowserLoaded(browser);
|
|
|
|
browser.loadURI(PAGE_1);
|
|
yield promiseBrowserLoaded(browser);
|
|
TabState.flush(browser);
|
|
|
|
// Crash the tab
|
|
yield crashBrowser(browser);
|
|
// Flush out any notifications from the crashed browser.
|
|
TabState.flush(browser);
|
|
|
|
// Browse to a new site that will not cause the browser to
|
|
// become remote again.
|
|
browser.loadURI("about:mozilla");
|
|
yield promiseBrowserLoaded(browser);
|
|
ok(!browser.isRemoteBrowser, "Should not be a remote browser");
|
|
TabState.flush(browser);
|
|
|
|
// Check the tab state and make sure the tab crashed page isn't
|
|
// mentioned.
|
|
let {entries} = JSON.parse(ss.getTabState(newTab));
|
|
is(entries.length, 2, "Should have two history entries");
|
|
is(entries[0].url, PAGE_1,
|
|
"First entry should be the page we visited before crashing");
|
|
is(entries[1].url, "about:mozilla",
|
|
"Second entry should be the page we visited after crashing");
|
|
|
|
gBrowser.removeTab(newTab);
|
|
});
|
|
|
|
/**
|
|
* Checks that we can revive a crashed tab back to the page that
|
|
* it was on when it crashed.
|
|
*/
|
|
add_task(function test_revive_tab_from_session_store() {
|
|
let newTab = gBrowser.addTab();
|
|
gBrowser.selectedTab = newTab;
|
|
let browser = newTab.linkedBrowser;
|
|
ok(browser.isRemoteBrowser, "Should be a remote browser");
|
|
yield promiseBrowserLoaded(browser);
|
|
|
|
browser.loadURI(PAGE_1);
|
|
yield promiseBrowserLoaded(browser);
|
|
|
|
browser.loadURI(PAGE_2);
|
|
yield promiseBrowserLoaded(browser);
|
|
|
|
TabState.flush(browser);
|
|
|
|
// Crash the tab
|
|
yield crashBrowser(browser);
|
|
// Flush out any notifications from the crashed browser.
|
|
TabState.flush(browser);
|
|
|
|
// Use SessionStore to revive the tab
|
|
SessionStore.reviveCrashedTab(newTab);
|
|
yield promiseBrowserLoaded(browser);
|
|
|
|
// We can't just check browser.currentURI.spec, because from
|
|
// the outside, a crashed tab has the same URI as the page
|
|
// it crashed on (much like an about:neterror page). Instead,
|
|
// we have to use the documentURI on the content.
|
|
yield promiseContentDocumentURIEquals(browser, PAGE_2);
|
|
|
|
// We should also have two entries in the browser history.
|
|
yield promiseHistoryLength(browser, 2);
|
|
|
|
gBrowser.removeTab(newTab);
|
|
}); |