gecko/browser/components/sessionstore/test/browser_589246.js
2012-05-21 12:12:37 +01:00

244 lines
8.3 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Mirrors WINDOW_ATTRIBUTES IN nsSessionStore.js
const WINDOW_ATTRIBUTES = ["width", "height", "screenX", "screenY", "sizemode"];
let stateBackup = ss.getBrowserState();
let originalWarnOnClose = gPrefService.getBoolPref("browser.tabs.warnOnClose");
let originalStartupPage = gPrefService.getIntPref("browser.startup.page");
let originalWindowType = document.documentElement.getAttribute("windowtype");
let gotLastWindowClosedTopic = false;
let shouldPinTab = false;
let shouldOpenTabs = false;
let shouldCloseTab = false;
let testNum = 0;
let afterTestCallback;
// Set state so we know the closed windows content
let testState = {
windows: [
{ tabs: [{ entries: [{ url: "http://example.org" }] }] }
],
_closedWindows: []
};
// We'll push a set of conditions and callbacks into this array
// Ideally we would also test win/linux under a complete set of conditions, but
// the tests for osx mirror the other set of conditions possible on win/linux.
let tests = [];
// the third & fourth test share a condition check, keep it DRY
function checkOSX34Generator(num) {
return function(aPreviousState, aCurState) {
// In here, we should have restored the pinned tab, so only the unpinned tab
// should be in aCurState. So let's shape our expectations.
let expectedState = JSON.parse(aPreviousState);
expectedState[0].tabs.shift();
// size attributes are stripped out in _prepDataForDeferredRestore in nsSessionStore.
// This isn't the best approach, but neither is comparing JSON strings
WINDOW_ATTRIBUTES.forEach(function (attr) delete expectedState[0][attr]);
is(aCurState, JSON.stringify(expectedState),
"test #" + num + ": closedWindowState is as expected");
};
}
function checkNoWindowsGenerator(num) {
return function(aPreviousState, aCurState) {
is(aCurState, "[]", "test #" + num + ": there should be no closedWindowsLeft");
};
}
// The first test has 0 pinned tabs and 1 unpinned tab
tests.push({
pinned: false,
extra: false,
close: false,
checkWinLin: checkNoWindowsGenerator(1),
checkOSX: function(aPreviousState, aCurState) {
is(aCurState, aPreviousState, "test #1: closed window state is unchanged");
}
});
// The second test has 1 pinned tab and 0 unpinned tabs.
tests.push({
pinned: true,
extra: false,
close: false,
checkWinLin: checkNoWindowsGenerator(2),
checkOSX: checkNoWindowsGenerator(2)
});
// The third test has 1 pinned tab and 2 unpinned tabs.
tests.push({
pinned: true,
extra: true,
close: false,
checkWinLin: checkNoWindowsGenerator(3),
checkOSX: checkOSX34Generator(3)
});
// The fourth test has 1 pinned tab, 2 unpinned tabs, and closes one unpinned tab.
tests.push({
pinned: true,
extra: true,
close: "one",
checkWinLin: checkNoWindowsGenerator(4),
checkOSX: checkOSX34Generator(4)
});
// The fifth test has 1 pinned tab, 2 unpinned tabs, and closes both unpinned tabs.
tests.push({
pinned: true,
extra: true,
close: "both",
checkWinLin: checkNoWindowsGenerator(5),
checkOSX: checkNoWindowsGenerator(5)
});
function test() {
/** Test for Bug 589246 - Closed window state getting corrupted when closing
and reopening last browser window without exiting browser **/
waitForExplicitFinish();
// windows opening & closing, so extending the timeout
requestLongerTimeout(2);
// We don't want the quit dialog pref
gPrefService.setBoolPref("browser.tabs.warnOnClose", false);
// Ensure that we would restore the session (important for Windows)
gPrefService.setIntPref("browser.startup.page", 3);
runNextTestOrFinish();
}
function runNextTestOrFinish() {
if (tests.length) {
setupForTest(tests.shift())
}
else {
// some state is cleaned up at the end of each test, but not all
["browser.tabs.warnOnClose", "browser.startup.page"].forEach(function(p) {
if (gPrefService.prefHasUserValue(p))
gPrefService.clearUserPref(p);
});
ss.setBrowserState(stateBackup);
executeSoon(finish);
}
}
function setupForTest(aConditions) {
// reset some checks
gotLastWindowClosedTopic = false;
shouldPinTab = aConditions.pinned;
shouldOpenTabs = aConditions.extra;
shouldCloseTab = aConditions.close;
testNum++;
// set our test callback
afterTestCallback = /Mac/.test(navigator.platform) ? aConditions.checkOSX
: aConditions.checkWinLin;
// Add observers
Services.obs.addObserver(onLastWindowClosed, "browser-lastwindow-close-granted", false);
// Set the state
Services.obs.addObserver(onStateRestored, "sessionstore-browser-state-restored", false);
ss.setBrowserState(JSON.stringify(testState));
}
function onStateRestored(aSubject, aTopic, aData) {
info("test #" + testNum + ": onStateRestored");
Services.obs.removeObserver(onStateRestored, "sessionstore-browser-state-restored", false);
// change this window's windowtype so that closing a new window will trigger
// browser-lastwindow-close-granted.
document.documentElement.setAttribute("windowtype", "navigator:testrunner");
let newWin = openDialog(location, "_blank", "chrome,all,dialog=no", "http://example.com");
newWin.addEventListener("load", function(aEvent) {
newWin.removeEventListener("load", arguments.callee, false);
newWin.gBrowser.selectedBrowser.addEventListener("load", function() {
newWin.gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
// pin this tab
if (shouldPinTab)
newWin.gBrowser.pinTab(newWin.gBrowser.selectedTab);
newWin.addEventListener("unload", function () {
newWin.removeEventListener("unload", arguments.callee, false);
onWindowUnloaded();
}, false);
// Open a new tab as well. On Windows/Linux this will be restored when the
// new window is opened below (in onWindowUnloaded). On OS X we'll just
// restore the pinned tabs, leaving the unpinned tab in the closedWindowsData.
if (shouldOpenTabs) {
let newTab = newWin.gBrowser.addTab("about:config");
let newTab2 = newWin.gBrowser.addTab("about:buildconfig");
newTab.linkedBrowser.addEventListener("load", function() {
newTab.linkedBrowser.removeEventListener("load", arguments.callee, true);
if (shouldCloseTab == "one") {
newWin.gBrowser.removeTab(newTab2);
}
else if (shouldCloseTab == "both") {
newWin.gBrowser.removeTab(newTab);
newWin.gBrowser.removeTab(newTab2);
}
newWin.BrowserTryToCloseWindow();
}, true);
}
else {
newWin.BrowserTryToCloseWindow();
}
}, true);
}, false);
}
// This will be called before the window is actually closed
function onLastWindowClosed(aSubject, aTopic, aData) {
info("test #" + testNum + ": onLastWindowClosed");
Services.obs.removeObserver(onLastWindowClosed, "browser-lastwindow-close-granted", false);
gotLastWindowClosedTopic = true;
}
// This is the unload event listener on the new window (from onStateRestored).
// Unload is fired after the window is closed, so sessionstore has already
// updated _closedWindows (which is important). We'll open a new window here
// which should actually trigger the bug.
function onWindowUnloaded() {
info("test #" + testNum + ": onWindowClosed");
ok(gotLastWindowClosedTopic, "test #" + testNum + ": browser-lastwindow-close-granted was notified prior");
let previousClosedWindowData = ss.getClosedWindowData();
// Now we want to open a new window
let newWin = openDialog(location, "_blank", "chrome,all,dialog=no", "about:mozilla");
newWin.addEventListener("load", function(aEvent) {
newWin.removeEventListener("load", arguments.callee, false);
newWin.gBrowser.selectedBrowser.addEventListener("load", function () {
newWin.gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
// Good enough for checking the state
afterTestCallback(previousClosedWindowData, ss.getClosedWindowData());
afterTestCleanup(newWin);
}, true);
}, false);
}
function afterTestCleanup(aNewWin) {
executeSoon(function() {
aNewWin.close();
document.documentElement.setAttribute("windowtype", originalWindowType);
runNextTestOrFinish();
});
}