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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
async function addFrame(url) {
let iframe = content.document.createElement("iframe");
await new Promise(resolve => {
iframe.addEventListener("load", resolve, { once: true });
iframe.src = url;
content.document.body.appendChild(iframe);
});
return iframe.browsingContext;
}
add_task(async function() {
await BrowserTestUtils.withNewTab(
{ gBrowser, url: "about:blank" },
async browser => {
// Add 15 example.com frames to the toplevel document.
let frames = await Promise.all(
Array.from({ length: 15 }).map(_ =>
SpecialPowers.spawn(browser, ["http://example.com/"], addFrame)
)
);
// Add an example.org subframe to each example.com frame.
let subframes = await Promise.all(
Array.from({ length: 15 }).map((_, i) =>
SpecialPowers.spawn(frames[i], ["http://example.org/"], addFrame)
)
);
Assert.deepEqual(
subframes[0].getAllBrowsingContextsInSubtree(),
[subframes[0]],
"Childless context only has self in subtree"
);
Assert.deepEqual(
frames[0].getAllBrowsingContextsInSubtree(),
[frames[0], subframes[0]],
"Single-child context has 2 contexts in subtree"
);
Assert.deepEqual(
browser.browsingContext.getAllBrowsingContextsInSubtree(),
[browser.browsingContext, ...frames, ...subframes],
"Toplevel context has all subtree contexts"
);
}
);
});
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