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<!DOCTYPE html>
<html>
<head>
<title>Test for using filterResponseData to intercept a cross-origin navigation that will involve a process switch with fission</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="text/javascript">
"use strict";
const TEST_HOST = "http://example.com/";
const CROSS_ORIGIN_HOST = "http://example.org/";
const TEST_PATH =
"tests/toolkit/components/extensions/test/mochitest/file_streamfilter.txt";
const TEST_URL = TEST_HOST + TEST_PATH;
const CROSS_ORIGIN_URL = CROSS_ORIGIN_HOST + TEST_PATH;
add_task(async () => {
const extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["webRequest", "webRequestBlocking", "<all_urls>"],
},
background() {
browser.webRequest.onBeforeRequest.addListener(
({ requestId }) => {
const filter = browser.webRequest.filterResponseData(requestId);
filter.onerror = () => browser.test.fail(
`Unexpected filterResponseData error: ${filter.error}`
);
filter.ondata = event => {
filter.write(event.data);
};
filter.onstop = event => {
filter.write(new TextEncoder().encode(" End"));
filter.close();
};
},
{
urls: [
"http://example.org/*/file_streamfilter.txt",
],
},
["blocking"]
);
},
});
await extension.startup();
let iframe = document.createElement("iframe");
iframe.src = TEST_URL;
document.body.appendChild(iframe);
await new Promise(resolve => iframe.addEventListener("load", () => resolve(), {once: true}));
iframe.src = CROSS_ORIGIN_URL;
await new Promise(resolve => iframe.addEventListener("load", () => resolve(), {once: true}));
let content = await SpecialPowers.spawn(iframe, [], async () => {
return this.content.document.body.textContent;
});
SimpleTest.is(content, "Middle\n End", "Correctly intercepted page content");
await extension.unload();
});
</script>
</body>
</html>
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