gecko-dev/docshell/test/browser/browser_ua_emulation.js

37 строки
1.3 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const URL = "data:text/html;charset=utf-8,<iframe id='test-iframe'></iframe>";
// Test that the docShell UA emulation works
function* contentTask() {
let docshell = docShell;
is(docshell.customUserAgent, "", "There should initially be no customUserAgent");
docshell.customUserAgent = "foo";
is(content.navigator.userAgent, "foo", "The user agent should be changed to foo");
let frameWin = content.document.querySelector("#test-iframe").contentWindow;
is(frameWin.navigator.userAgent, "foo", "The UA should be passed on to frames.");
let newFrame = content.document.createElement("iframe");
content.document.body.appendChild(newFrame);
let newFrameWin = newFrame.contentWindow;
is(newFrameWin.navigator.userAgent, "foo", "Newly created frames should use the new UA");
newFrameWin.location.reload();
yield ContentTaskUtils.waitForEvent(newFrameWin, "load");
is(newFrameWin.navigator.userAgent, "foo", "New UA should persist across reloads");
}
add_task(function* () {
yield BrowserTestUtils.withNewTab({ gBrowser, url: URL },
function* (browser) {
yield ContentTask.spawn(browser, null, contentTask);
});
});