gecko-dev/browser/components/sessionstore/test/browser_1284886_suspend_tab.js

73 строки
2.9 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
add_task(async function test() {
await SpecialPowers.pushPrefEnv({
"set": [
["dom.require_user_interaction_for_beforeunload", false],
],
});
let url = "about:robots";
let tab0 = gBrowser.tabs[0];
let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
gBrowser.discardBrowser(tab0.linkedBrowser);
ok(!tab0.linkedPanel, "tab0 is suspended");
await BrowserTestUtils.switchTab(gBrowser, tab0);
// Test that active tab is not able to be suspended.
gBrowser.discardBrowser(tab0.linkedBrowser);
ok(tab0.linkedPanel, "active tab is not able to be suspended");
// Test that tab that is closing is not able to be suspended.
gBrowser._beginRemoveTab(tab1);
gBrowser.discardBrowser(tab1.linkedBrowser);
ok(tab1.linkedPanel, "cannot suspend a tab that is closing");
gBrowser._endRemoveTab(tab1);
// Open tab containing a page which has a beforeunload handler which shows a prompt.
url = "http://example.com/browser/browser/components/sessionstore/test/browser_1284886_suspend_tab.html";
tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
let browser1 = tab1.linkedBrowser;
await BrowserTestUtils.switchTab(gBrowser, tab0);
// Test that tab with beforeunload handler which would show a prompt cannot be suspended.
gBrowser.discardBrowser(browser1);
ok(tab1.linkedPanel, "cannot suspend a tab with beforeunload handler which would show a prompt");
// Test that tab with beforeunload handler which would show a prompt will be suspended if forced.
gBrowser.discardBrowser(browser1, true);
ok(!tab1.linkedPanel, "force suspending a tab with beforeunload handler which would show a prompt");
BrowserTestUtils.removeTab(tab1);
// Open tab containing a page which has a beforeunload handler which does not show a prompt.
url = "http://example.com/browser/browser/components/sessionstore/test/browser_1284886_suspend_tab_2.html";
tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
browser1 = tab1.linkedBrowser;
await BrowserTestUtils.switchTab(gBrowser, tab0);
// Test that tab with beforeunload handler which would not show a prompt can be suspended.
gBrowser.discardBrowser(browser1);
ok(!tab1.linkedPanel, "can suspend a tab with beforeunload handler which would not show a prompt");
BrowserTestUtils.removeTab(tab1);
// Test that non-remote tab is not able to be suspended.
url = "about:robots";
tab1 = BrowserTestUtils.addTab(gBrowser, url, { forceNotRemote: true });
await promiseBrowserLoaded(tab1.linkedBrowser, true, url);
await BrowserTestUtils.switchTab(gBrowser, tab1);
await BrowserTestUtils.switchTab(gBrowser, tab0);
gBrowser.discardBrowser(tab1.linkedBrowser);
ok(tab1.linkedPanel, "cannot suspend a remote tab");
BrowserTestUtils.removeTab(tab1);
});