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Test Info: Errors
- This test failed 34 times in the preceding 30 days. quicksearch this test
- Manifest: browser/base/content/test/fullscreen/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
const tab1URL = `data:text/html,
<head>
<meta charset="utf-8"/>
<title>First tab to be loaded</title>
</head>
<body>
<button>JUST A BUTTON</button>
</body>
</html>`;
const ORIGIN =
add_task(async function test_fullscreen_cross_origin() {
async function requestFullscreenThenCloseTab() {
await BrowserTestUtils.withNewTab(ORIGIN, async function (browser) {
info("Start fullscreen on iframe frameAllowed");
// Make sure there is no attribute "inDOMFullscreen" before requesting fullscreen.
await TestUtils.waitForCondition(
() => !document.documentElement.hasAttribute("inDOMFullscreen")
);
ok(
!gBrowser.tabContainer.hasAttribute("closebuttons"),
"Close buttons should be visible on every tab"
);
// Request fullscreen from iframe
await SpecialPowers.spawn(browser, [], async function () {
let frame = content.document.getElementById("frameAllowed");
frame.focus();
await SpecialPowers.spawn(frame, [], async () => {
let frameDoc = content.document;
const waitForFullscreen = new Promise(resolve => {
const message = "fullscreenchange";
function handler(evt) {
frameDoc.removeEventListener(message, handler);
Assert.equal(evt.type, message, `Request should be allowed`);
resolve();
}
frameDoc.addEventListener(message, handler);
});
frameDoc.getElementById("request").click();
await waitForFullscreen;
});
});
// Make sure there is attribute "inDOMFullscreen" after requesting fullscreen.
await TestUtils.waitForCondition(() =>
document.documentElement.hasAttribute("inDOMFullscreen")
);
});
}
await SpecialPowers.pushPrefEnv({
set: [
["full-screen-api.enabled", true],
["full-screen-api.allow-trusted-requests-only", false],
["full-screen-api.transition-duration.enter", "0 0"],
["full-screen-api.transition-duration.leave", "0 0"],
["dom.security.featurePolicy.header.enabled", true],
["dom.security.featurePolicy.webidl.enabled", true],
],
});
// Open a tab with tab1URL.
let tab1 = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
tab1URL,
true
);
// 1. Open another tab and load a page with two iframes.
// 2. Request fullscreen from an iframe which is in a different origin.
// 3. Close the tab after receiving "fullscreenchange" message.
// Note that we don't do "doc.exitFullscreen()" before closing the tab
// on purpose.
await requestFullscreenThenCloseTab();
// Wait until attribute "inDOMFullscreen" is removed.
await TestUtils.waitForCondition(
() => !document.documentElement.hasAttribute("inDOMFullscreen")
);
await TestUtils.waitForCondition(
() => !gBrowser.tabContainer.hasAttribute("closebuttons"),
"Close buttons should come back to every tab"
);
// Remove the remaining tab and leave the test.
let tabClosed = BrowserTestUtils.waitForTabClosing(tab1);
BrowserTestUtils.removeTab(tab1);
await tabClosed;
});