browser_download_idn_blocklist.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const TEST_HOST = "example.org";

const TEST_FILE = "\u3002.bin";

const TEST_URL = `http://${TEST_HOST}/${TEST_FILE}`;

const { XPCShellContentUtils } = ChromeUtils.importESModule(

  "resource://testing-common/XPCShellContentUtils.sys.mjs"

);

XPCShellContentUtils.initMochitest(this);

const server = XPCShellContentUtils.createHttpServer({

  hosts: [TEST_HOST],

});

let file = getChromeDir(getResolvedURI(gTestPath));

file.append("download.bin");

server.registerFile(`/${encodeURIComponent(TEST_FILE)}`, file);

/**

 * Check that IDN blocklisted characters are not escaped in

 * download file names.

*/

add_task(async function test_idn_blocklisted_char_not_escaped() {

  await SpecialPowers.pushPrefEnv({

    set: [["browser.download.always_ask_before_handling_new_types", false]],

});

  info("Testing with " + TEST_URL);

  let publicList = await Downloads.getList(Downloads.PUBLIC);

  registerCleanupFunction(async () => {

    await publicList.removeFinished();

});

  let downloadFinished = promiseDownloadFinished(publicList);

  var tab = BrowserTestUtils.addTab(gBrowser, TEST_URL);

  let dl = await downloadFinished;

  ok(dl.succeeded, "Download should succeed.");

  Assert.equal(

    PathUtils.filename(dl.target.path),

    TEST_FILE,

    "Should not escape a download file name."

);

  await IOUtils.remove(dl.target.path);

  BrowserTestUtils.removeTab(tab);

});