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Test Info:
- Manifest: docshell/test/browser/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
const URL = "data:text/html;charset=utf-8,<iframe id='test-iframe'></iframe>";
async function contentTaskNoOverride() {
let docshell = docShell;
is(
docshell.browsingContext.customPlatform,
"",
"There should initially be no customPlatform"
);
}
async function contentTaskOverride() {
let docshell = docShell;
is(
docshell.browsingContext.customPlatform,
"foo",
"The platform should be changed to foo"
);
is(
content.navigator.platform,
"foo",
"The platform should be changed to foo"
);
let frameWin = content.document.querySelector("#test-iframe").contentWindow;
is(
frameWin.navigator.platform,
"foo",
"The platform should be passed on to frames."
);
let newFrame = content.document.createElement("iframe");
content.document.body.appendChild(newFrame);
let newFrameWin = newFrame.contentWindow;
is(
newFrameWin.navigator.platform,
"foo",
"Newly created frames should use the new platform"
);
newFrameWin.location.reload();
await ContentTaskUtils.waitForEvent(newFrame, "load");
is(
newFrameWin.navigator.platform,
"foo",
"New platform should persist across reloads"
);
}
add_task(async function () {
await BrowserTestUtils.withNewTab(
{ gBrowser, url: URL },
async function (browser) {
await SpecialPowers.spawn(browser, [], contentTaskNoOverride);
let browsingContext = BrowserTestUtils.getBrowsingContextFrom(browser);
browsingContext.customPlatform = "foo";
await SpecialPowers.spawn(browser, [], contentTaskOverride);
}
);
});