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Test Info: Warnings
- This test gets skipped with pattern: !nightly_build
- Manifest: dom/base/test/fullscreen/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Import helpers
/* import-globals-from fullscreen_helpers.js */
Services.scriptloader.loadSubScript(
this
);
// This test tends to trigger a race in the fullscreen time telemetry,
// where the fullscreen enter and fullscreen exit events (which use the
// same histogram ID) overlap. That causes TelemetryStopwatch to log an
SimpleTest.ignoreAllUncaughtExceptions(true);
add_setup(async function () {
await pushPrefs(
["full-screen-api.transition-duration.enter", "0 0"],
["full-screen-api.transition-duration.leave", "0 0"],
["full-screen-api.allow-trusted-requests-only", false]
);
});
async function waitAndCheckFullscreenState(aWindow) {
// Wait fullscreen exit event if browser is still in fullscreen mode.
if (
aWindow.fullScreen ||
aWindow.document.documentElement.hasAttribute("inFullscreen")
) {
info("The widget is still in fullscreen, wait again");
await waitWidgetFullscreenEvent(aWindow, false, true);
}
if (aWindow.document.documentElement.hasAttribute("inDOMFullscreen")) {
info("The chrome document is still in fullscreen, wait again");
await waitForFullScreenObserver(aWindow, false, true);
}
// Ensure the browser exits fullscreen state.
ok(!aWindow.fullScreen, "The widget should not be in fullscreen");
ok(
!aWindow.document.documentElement.hasAttribute("inFullscreen"),
"The chrome window should not be in fullscreen"
);
ok(
!aWindow.document.documentElement.hasAttribute("inDOMFullscreen"),
"The chrome document should not be in fullscreen"
);
}
add_task(async () => {
const URL =
// We need this dummy tab which load the same URL as test tab to keep the
// original content process alive after test page navigates away.
let dummyTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URL);
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: URL,
},
async function (browser) {
await SpecialPowers.spawn(browser, [], function () {
content.document.querySelector("button").click();
});
// Test requests fullscreen and performs navigation simultaneously,
// the fullscreen request might be rejected directly if navigation happens
// first, so there might be no reliable state that we can wait. So give
// some time for possible fullscreen transition instead and ensure window
// should end up exiting fullscreen.
await new Promise(aResolve => {
SimpleTest.executeSoon(() => {
SimpleTest.executeSoon(aResolve);
});
});
await waitAndCheckFullscreenState(window);
}
);
let dummyTabClosed = BrowserTestUtils.waitForTabClosing(dummyTab);
BrowserTestUtils.removeTab(dummyTab);
await dummyTabClosed;
});
add_task(async () => {
await BrowserTestUtils.withNewTab(
{
gBrowser,
},
async function (browser) {
// Open a new window to run the tests, the original window will keep the
// original content process alive after the test window navigates away.
let promiseWin = BrowserTestUtils.waitForNewWindow();
await SpecialPowers.spawn(browser, [], function () {
content.document.querySelector("button").click();
});
let newWindow = await promiseWin;
await SpecialPowers.spawn(
newWindow.gBrowser.selectedTab.linkedBrowser,
[],
function () {
content.document.querySelector("button").click();
}
);
// Test requests fullscreen and performs navigation simultaneously,
// the fullscreen request might be rejected directly if navigation happens
// first, so there might be no reliable state that we can wait. So give
// some time for possible fullscreen transition instead and ensure window
// should end up exiting fullscreen.
await new Promise(aResolve => {
SimpleTest.executeSoon(() => {
SimpleTest.executeSoon(aResolve);
});
});
await waitAndCheckFullscreenState(newWindow);
newWindow.close();
}
);
});