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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
const TEST_PATH = getRootDirectory(gTestPath).replace(
"chrome://mochitests/content",
"http://example.com"
);
SimpleTest.requestFlakyTimeout("Needs to test a timeout");
function delay(msec) {
// eslint-disable-next-line mozilla/no-arbitrary-setTimeout
return new Promise(resolve => setTimeout(resolve, msec));
}
add_task(async function test() {
await SpecialPowers.pushPrefEnv({
set: [["dom.require_user_interaction_for_beforeunload", false]],
});
await SpecialPowers.pushPrefEnv({
set: [["prompts.contentPromptSubDialog", false]],
});
const permitUnloadTimeout = Services.prefs.getIntPref(
"dom.beforeunload_timeout_ms"
);
let url = TEST_PATH + "dummy_page.html";
let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
let browser = tab.linkedBrowser;
await SpecialPowers.spawn(browser.browsingContext, [], () => {
content.addEventListener("beforeunload", event => {
event.preventDefault();
});
});
let allowNavigation;
let promptShown = false;
let promptDismissed = false;
let promptTimeout;
const DIALOG_TOPIC = "tabmodal-dialog-loaded";
async function observer(node) {
promptShown = true;
if (promptTimeout) {
await delay(promptTimeout);
}
let button = node.querySelector(
`.tabmodalprompt-button${allowNavigation ? 0 : 1}`
);
button.click();
promptDismissed = true;
}
Services.obs.addObserver(observer, DIALOG_TOPIC);
/*
* Check condition where beforeunload handlers request a prompt.
*/
// Prompt is shown, user clicks OK.
allowNavigation = true;
promptShown = false;
ok(browser.permitUnload().permitUnload, "permit unload should be true");
ok(promptShown, "prompt should have been displayed");
// Prompt is shown, user clicks CANCEL.
allowNavigation = false;
promptShown = false;
ok(!browser.permitUnload().permitUnload, "permit unload should be false");
ok(promptShown, "prompt should have been displayed");
// Prompt is not shown, don't permit unload.
promptShown = false;
ok(
!browser.permitUnload("dontUnload").permitUnload,
"permit unload should be false"
);
ok(!promptShown, "prompt should not have been displayed");
// Prompt is not shown, permit unload.
promptShown = false;
ok(
browser.permitUnload("unload").permitUnload,
"permit unload should be true"
);
ok(!promptShown, "prompt should not have been displayed");
promptShown = false;
promptDismissed = false;
promptTimeout = 3 * permitUnloadTimeout;
let promise = browser.asyncPermitUnload();
let promiseResolved = false;
promise.then(() => {
promiseResolved = true;
});
await TestUtils.waitForCondition(() => promptShown);
ok(!promptDismissed, "Should not have dismissed prompt yet");
ok(!promiseResolved, "Should not have resolved promise yet");
await delay(permitUnloadTimeout * 1.5);
ok(!promptDismissed, "Should not have dismissed prompt yet");
ok(!promiseResolved, "Should not have resolved promise yet");
let { permitUnload } = await promise;
ok(promptDismissed, "Should have dismissed prompt");
ok(!permitUnload, "Should not have permitted unload");
promptTimeout = null;
/*
* Check condition where no one requests a prompt. In all cases,
* permitUnload should be true, and all handlers fired.
*/
allowNavigation = true;
url += "?1";
BrowserTestUtils.loadURI(browser, url);
await BrowserTestUtils.browserLoaded(browser, false, url);
promptShown = false;
ok(browser.permitUnload().permitUnload, "permit unload should be true");
ok(!promptShown, "prompt should not have been displayed");
promptShown = false;
ok(
browser.permitUnload("dontUnload").permitUnload,
"permit unload should be true"
);
ok(!promptShown, "prompt should not have been displayed");
promptShown = false;
ok(
browser.permitUnload("unload").permitUnload,
"permit unload should be true"
);
ok(!promptShown, "prompt should not have been displayed");
await BrowserTestUtils.removeTab(tab);
Services.obs.removeObserver(observer, DIALOG_TOPIC);
});
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