test_standardurl_default_port.js

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/* -*- Mode: javascript; indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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/. */

/* This test exercises the nsIStandardURL "setDefaultPort" API. */

"use strict";

function run_test() {

  function stringToURL(str) {

    return Cc["@mozilla.org/network/standard-url-mutator;1"]

      .createInstance(Ci.nsIStandardURLMutator)

      .init(Ci.nsIStandardURL.URLTYPE_AUTHORITY, 80, str, "UTF-8", null)

      .finalize()

      .QueryInterface(Ci.nsIStandardURL);

  // Create a nsStandardURL:

  var origUrlStr = "http://foo.com/";

  var stdUrl = stringToURL(origUrlStr);

  Assert.equal(-1, stdUrl.port);

  // Changing default port shouldn't adjust the value returned by "port",

  // or the string representation.

  let def100Url = stdUrl

    .mutate()

    .QueryInterface(Ci.nsIStandardURLMutator)

    .setDefaultPort(100)

    .finalize();

  Assert.equal(-1, def100Url.port);

  Assert.equal(def100Url.spec, origUrlStr);

  // Changing port directly should update .port and .spec, though:

  let port200Url = stdUrl.mutate().setPort("200").finalize();

  Assert.equal(200, port200Url.port);

  Assert.equal(port200Url.spec, "http://foo.com:200/");

  // ...but then if we change default port to match the custom port,

  // the custom port should reset to -1 and disappear from .spec:

  let def200Url = port200Url

    .mutate()

    .QueryInterface(Ci.nsIStandardURLMutator)

    .setDefaultPort(200)

    .finalize();

  Assert.equal(-1, def200Url.port);

  Assert.equal(def200Url.spec, origUrlStr);

  // And further changes to default port should not make custom port reappear.

  let def300Url = def200Url

    .mutate()

    .QueryInterface(Ci.nsIStandardURLMutator)

    .setDefaultPort(300)

    .finalize();

  Assert.equal(-1, def300Url.port);

  Assert.equal(def300Url.spec, origUrlStr);