"use strict";

function makeURL(spec) {
  return Cc["@mozilla.org/network/io-service;1"]
    .getService(Ci.nsIIOService)
    .newURI(spec)
    .QueryInterface(Ci.nsIURL);
}

// Checks that nsIURL::GetRelativeSpec does what it claims to do.
function run_test() {
  // Elements of tests have the form [this.spec, aURIToCompare.spec, expectedResult].
  let tests = [
    [
      "http://mozilla.org/",
      "http://www.mozilla.org/",
      "http://www.mozilla.org/",
    ],
    [
      "http://mozilla.org/",
      "http://www.mozilla.org",
      "http://www.mozilla.org/",
    ],
    ["http://foo.com/bar/", "http://foo.com:80/bar/", ""],
    ["http://foo.com/", "http://foo.com/a.htm#b", "a.htm#b"],
    ["http://foo.com/a/b/", "http://foo.com/c", "../../c"],
    ["http://foo.com/a?b/c/", "http://foo.com/c", "c"],
    ["http://foo.com/a#b/c/", "http://foo.com/c", "c"],
    ["http://foo.com/a;p?b/c/", "http://foo.com/c", "c"],
    ["http://foo.com/a/b?c/d/", "http://foo.com/c", "../c"],
    ["http://foo.com/a/b#c/d/", "http://foo.com/c", "../c"],
    ["http://foo.com/a/b;p?c/d/", "http://foo.com/c", "../c"],
    ["http://foo.com/a/b/c?d/e/", "http://foo.com/f", "../../f"],
    ["http://foo.com/a/b/c#d/e/", "http://foo.com/f", "../../f"],
    ["http://foo.com/a/b/c;p?d/e/", "http://foo.com/f", "../../f"],
    ["http://foo.com/a?b/c/", "http://foo.com/c/d", "c/d"],
    ["http://foo.com/a#b/c/", "http://foo.com/c/d", "c/d"],
    ["http://foo.com/a;p?b/c/", "http://foo.com/c/d", "c/d"],
    ["http://foo.com/a/b?c/d/", "http://foo.com/c/d", "../c/d"],
    ["http://foo.com/a/b#c/d/", "http://foo.com/c/d", "../c/d"],
    ["http://foo.com/a/b;p?c/d/", "http://foo.com/c/d", "../c/d"],
    ["http://foo.com/a/b/c?d/e/", "http://foo.com/f/g/", "../../f/g/"],
    ["http://foo.com/a/b/c#d/e/", "http://foo.com/f/g/", "../../f/g/"],
    ["http://foo.com/a/b/c;p?d/e/", "http://foo.com/f/g/", "../../f/g/"],
  ];

  for (var i = 0; i < tests.length; i++) {
    let url1 = makeURL(tests[i][0]);
    let url2 = makeURL(tests[i][1]);
    let expected = tests[i][2];
    Assert.equal(expected, url1.getRelativeSpec(url2));
  }
}