<!
DOCTYPE html>
<
html>
<
head>
<
meta charset=
"utf-8">
<
title>Test that current inner window checks are correct after navigations/discards</
title>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css"/>
</
head>
<
body>
<
iframe id=
"frame"></
iframe>
<
script type=
"application/javascript">
"use strict";
const TEST_FILE =
"file_current_inner_window.html";
const BASE_PATH = location.pathname.replace(/[^\/]+$/,
"");
let
frame = document.getElementById(
"frame");
function loadInFrame(url) {
return new Promise(resolve => {
frame.addEventListener(
"load", resolve, { once: true });
frame.contentWindow.location = url;
});
}
add_task(async function() {
await loadInFrame(TEST_FILE);
// Store the check function from the window before we navigate. After that,
// its bare word property accesses will continue referring to the same inner
// window no matter how many times the
frame navigates.
let check1 =
frame.contentWindow.isCurrentWinnerWindow;
ok(check1(),
"Initial inner window should be current before we navigate away");
await loadInFrame(`
http://example.com/${BASE_PATH}/${TEST_FILE}`);
ok(!check1(),
"Initial inner window should no longer be current after we navigate away");
await SpecialPowers.spawn(
frame, [], () => {
Assert.ok(this.content.wrappedJSObject.isCurrentWinnerWindow(),
"Remote inner window should be current after before we navigate away");
});
await loadInFrame(TEST_FILE);
ok(!check1(),
"Initial inner window should still not be current after we back to current process");
let check2 =
frame.contentWindow.isCurrentWinnerWindow;
ok(check2(),
"Second in-process inner window should be current before we remove the frame");
frame.remove();
ok(!check1(),
"Initial inner window should still not be current after we remove the frame");
ok(check2(),
"Second in-process inner window should still be current after we remove the frame");
});
</
script>
</
body>
</
html>
