mozilla-central/browser/components/sessionstore/test/browser_undoCloseById.js (file symbol)

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/* eslint-disable mozilla/no-arbitrary-setTimeout */
"use strict";
/**
* This test is for the undoCloseById function.
*/
async function openWindow(url) {
let win = await promiseNewWindowLoaded();
let flags = Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY;
BrowserTestUtils.startLoadingURIString(win.gBrowser.selectedBrowser, url, {
flags,
});
await promiseBrowserLoaded(win.gBrowser.selectedBrowser, true, url);
return win;
}
async function closeWindow(win) {
await BrowserTestUtils.closeWindow(win);
// Wait 20 ms to allow SessionStorage a chance to register the closed window.
await new Promise(resolve => setTimeout(resolve, 20));
}
function getLastClosedTabData(win) {
const closedTabs = SessionStore.getClosedTabData(win);
return closedTabs[closedTabs.length - 1];
}
add_task(async function test_undoCloseById() {
// Clear the lists of closed windows and tabs.
forgetClosedWindows();
for (const win of SessionStore.getWindows()) {
while (SessionStore.getClosedTabCountForWindow(win)) {
SessionStore.forgetClosedTab(win, 0);
}
}
SessionStore.resetNextClosedId();
// Open a new window.
let win = await openWindow("about:robots");
// Open and close a tab.
await openAndCloseTab(win, "about:mozilla");
is(
SessionStore.lastClosedObjectType,
"tab",
"The last closed object is a tab"
);
// Record the first closedId created.
is(1, SessionStore.getClosedTabCount(), "We have 1 closed tab");
let initialClosedId = SessionStore.getClosedTabDataForWindow(win)[0].closedId;
// Open and close another window.
let win2 = await openWindow("about:mozilla");
await closeWindow(win2); // closedId == initialClosedId + 1
is(
SessionStore.lastClosedObjectType,
"window",
"The last closed object is a window"
);
// Open and close another tab in the first window.
await openAndCloseTab(win, "about:robots"); // closedId == initialClosedId + 2
is(
SessionStore.lastClosedObjectType,
"tab",
"The last closed object is a tab"
);
// Undo closing the second tab.
let tab = SessionStore.undoCloseById(initialClosedId + 2);
await promiseBrowserLoaded(tab.linkedBrowser);
is(
tab.linkedBrowser.currentURI.spec,
"about:robots",
"The expected tab was re-opened"
);
let notTab = SessionStore.undoCloseById(initialClosedId + 2);
is(notTab, undefined, "Re-opened tab cannot be unClosed again by closedId");
// Now the last closed object should be a window again.
is(
SessionStore.lastClosedObjectType,
"window",
"The last closed object is a window"
);
// Undo closing the first tab.
let tab2 = SessionStore.undoCloseById(initialClosedId);
await promiseBrowserLoaded(tab2.linkedBrowser);
is(
tab2.linkedBrowser.currentURI.spec,
"about:mozilla",
"The expected tab was re-opened"
);
// Close the two tabs we re-opened.
await promiseRemoveTabAndSessionState(tab); // closedId == initialClosedId + 3
is(
SessionStore.lastClosedObjectType,
"tab",
"The last closed object is a tab"
);
await promiseRemoveTabAndSessionState(tab2); // closedId == initialClosedId + 4
is(
SessionStore.lastClosedObjectType,
"tab",
"The last closed object is a tab"
);
// Open another new window.
let win3 = await openWindow("about:mozilla");
// Close both windows.
await closeWindow(win); // closedId == initialClosedId + 5
is(
SessionStore.lastClosedObjectType,
"window",
"The last closed object is a window"
);
await closeWindow(win3); // closedId == initialClosedId + 6
is(
SessionStore.lastClosedObjectType,
"window",
"The last closed object is a window"
);
// Undo closing the second window.
win = SessionStore.undoCloseById(initialClosedId + 6);
await BrowserTestUtils.waitForEvent(win, "load");
// Make sure we wait until this window is restored.
await BrowserTestUtils.waitForEvent(
win.gBrowser.tabContainer,
"SSTabRestored"
);
is(
win.gBrowser.selectedBrowser.currentURI.spec,
"about:mozilla",
"The expected window was re-opened"
);
let notWin = SessionStore.undoCloseById(initialClosedId + 6);
is(
notWin,
undefined,
"Re-opened window cannot be unClosed again by closedId"
);
// Close the window again.
await closeWindow(win);
is(
SessionStore.lastClosedObjectType,
"window",
"The last closed object is a window"
);
// Undo closing the first window.
win = SessionStore.undoCloseById(initialClosedId + 5);
await BrowserTestUtils.waitForEvent(win, "load");
// Make sure we wait until this window is restored.
await BrowserTestUtils.waitForEvent(
win.gBrowser.tabContainer,
"SSTabRestored"
);
is(
win.gBrowser.selectedBrowser.currentURI.spec,
"about:robots",
"The expected window was re-opened"
);
// Close the window again.
await closeWindow(win);
is(
SessionStore.lastClosedObjectType,
"window",
"The last closed object is a window"
);
});