test_file_url_with_host.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

function setupChannel(uri) {

  var chan = NetUtil.newChannel({

    uri,

    loadUsingSystemPrincipal: true,

});

  chan.QueryInterface(Ci.nsIFileChannel);

  return chan;

add_task(async function test() {

  setupChannel("file:///path");

  Assert.ok(

    true,

    "Should be able to create channel from file URL without hostname"

);

  setupChannel("file://example.com/path");

  Assert.ok(

    true,

    "Should be able to create channel from file URL with hostname"

);

  await Assert.rejects(

    fetch("file:///path"),

    /TypeError: NetworkError when attempting to fetch resource./

);

  await Assert.rejects(

    fetch("file://example.com/path"),

    /TypeError: NetworkError when attempting to fetch resource./

);

});