Issue 6820 - Move tests to mocha

test/url.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
+const assert = require("assert");
 // Only starting NodeJS 10 that URL is in the global space.
 const {URL} = require("url");
 const {createSandbox} = require("./_common");
-
 const publicSuffixes = require("../data/publicSuffixList.json");
 
 let parseURL = null;
 let normalizeHostname = null;
 let domainSuffixes = null;
 let isThirdParty = null;
 let getBaseDomain = null;
 
-exports.setUp = function(callback)
+describe("URL", () =>
 {
-  let sandboxedRequire = createSandbox({
-    extraExports: {
-      domain: ["getBaseDomain"]
+  beforeEach(() =>
+  {
+    let sandboxedRequire = createSandbox({
+      extraExports: {
+        domain: ["getBaseDomain"]
+      }
+    });
+    (
+      {parseURL, normalizeHostname, domainSuffixes, isThirdParty,
+       getBaseDomain} = sandboxedRequire("../lib/url")
+    );
+  });
+
+  it("Normalize Hostname", () =>
+  {
+    assert.equal(normalizeHostname("example.com"), "example.com");
+    assert.equal(normalizeHostname("example.com."), "example.com");
+    assert.equal(normalizeHostname("example.com.."), "example.com");
+    assert.equal(normalizeHostname("example.com..."), "example.com");
+
+    assert.equal(normalizeHostname("Example.com"), "example.com");
+    assert.equal(normalizeHostname("ExaMple.Com"), "example.com");
+    assert.equal(normalizeHostname("ExaMple.Com.."), "example.com");
+
+    assert.equal(normalizeHostname("192.168.1.1"), "192.168.1.1");
+    assert.equal(normalizeHostname("192.168.1.1."), "192.168.1.1");
+
+    assert.equal(normalizeHostname("2001:0db8:85a3:0000:0000:8a2e:0370:7334"),
+               "2001:0db8:85a3:0000:0000:8a2e:0370:7334");
+    assert.equal(normalizeHostname("2001:0db8:85a3:0000:0000:8a2e:0370:7334."),
+               "2001:0db8:85a3:0000:0000:8a2e:0370:7334");
+    assert.equal(normalizeHostname("2001:0DB8:85A3:0000:0000:8A2E:0370:7334"),
+               "2001:0db8:85a3:0000:0000:8a2e:0370:7334");
+  });
+
+  it("Domain Suffixes", () =>
+  {
+    assert.deepEqual([...domainSuffixes("localhost")], ["localhost"]);
+    assert.deepEqual([...domainSuffixes("example.com")], ["example.com", "com"]);
+    assert.deepEqual([...domainSuffixes("www.example.com")],
+                   ["www.example.com", "example.com", "com"]);
+    assert.deepEqual([...domainSuffixes("www.example.co.in")],
+                   ["www.example.co.in", "example.co.in", "co.in", "in"]);
+
+    // With blank.
+    assert.deepEqual([...domainSuffixes("localhost", true)], ["localhost", ""]);
+    assert.deepEqual([...domainSuffixes("example.com", true)],
+                   ["example.com", "com", ""]);
+    assert.deepEqual([...domainSuffixes("www.example.com", true)],
+                   ["www.example.com", "example.com", "com", ""]);
+    assert.deepEqual([...domainSuffixes("www.example.co.in", true)],
+                   ["www.example.co.in", "example.co.in", "co.in", "in", ""]);
+
+    // Quirks and edge cases.
+    assert.deepEqual([...domainSuffixes("")], []);
+    assert.deepEqual([...domainSuffixes(".")], ["."]);
+    assert.deepEqual([...domainSuffixes(".localhost")],
+                   [".localhost", "localhost"]);
+    assert.deepEqual([...domainSuffixes(".example.com")],
+                   [".example.com", "example.com", "com"]);
+    assert.deepEqual([...domainSuffixes("localhost.")],
+                   ["localhost."]);
+    assert.deepEqual([...domainSuffixes("example.com.")],
+                   ["example.com.", "com."]);
+    assert.deepEqual([...domainSuffixes("..localhost")],
+                   ["..localhost", ".localhost", "localhost"]);
+    assert.deepEqual(
+      [...domainSuffixes("..example..com")],
+      ["..example..com", ".example..com", "example..com", ".com", "com"]
+    );
+    assert.deepEqual([...domainSuffixes("localhost..")], ["localhost..", "."]);
+    assert.deepEqual([...domainSuffixes("example..com..")],
+                   ["example..com..", ".com..", "com..", "."]);
+  });
+
+  it("URL parsing", () =>
+  {
+    function testURLParsing(url)
+    {
+      // Note: The function expects a normalized URL.
+      // e.g. "http:example.com:80?foo" should already be normalized to
+      // "http://example.com/?foo". If not, the tests will fail.
+      let urlInfo = parseURL(url);
+
+      // We need to ensure only that our implementation matches that of the URL
+      // object.
+      let urlObject = new URL(url);
+
+      assert.equal(urlInfo.href, urlObject.href);
+      assert.equal(urlInfo.protocol, urlObject.protocol);
+      assert.equal(urlInfo.hostname, urlObject.hostname);
+
+      assert.equal(urlInfo.toString(), urlObject.toString());
+      assert.equal(String(urlInfo), String(urlObject));
+      assert.equal(urlInfo + "", urlObject + "");
     }
-  });
-  (
-    {parseURL, normalizeHostname, domainSuffixes, isThirdParty,
-     getBaseDomain} = sandboxedRequire("../lib/url")
-  );
-
-  callback();
-};
-
-function hostnameToURL(hostname)
-{
-  return new URL("http://" + hostname);
-}
-
-function testURLParsing(test, url)
-{
-  // Note: The function expects a normalized URL.
-  // e.g. "http:example.com:80?foo" should already be normalized to
-  // "http://example.com/?foo". If not, the tests will fail.
-  let urlInfo = parseURL(url);
-
-  // We need to ensure only that our implementation matches that of the URL
-  // object.
-  let urlObject = new URL(url);
-
-  test.equal(urlInfo.href, urlObject.href);
-  test.equal(urlInfo.protocol, urlObject.protocol);
-  test.equal(urlInfo.hostname, urlObject.hostname);
-
-  test.equal(urlInfo.toString(), urlObject.toString());
-  test.equal(String(urlInfo), String(urlObject));
-  test.equal(urlInfo + "", urlObject + "");
-}
-
-function testThirdParty(test, requestHostname, documentHostname, expected,
-                        message)
-{
-  test.equal(
-    isThirdParty(
-      hostnameToURL(requestHostname),
-
-      // Chrome's URL object normalizes IP addresses. So some test
-      // will fail if we don't normalize the document host as well.
-      hostnameToURL(documentHostname).hostname
-    ),
-    expected,
-    message
-  );
-}
-
-exports.testParseURL = function(test)
-{
-  testURLParsing(test, "https://example.com/");
-  testURLParsing(test, "https://example.com/foo");
-  testURLParsing(test, "https://example.com/foo/bar");
-  testURLParsing(
-    test,
-    "https://example.com/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "https://example.com:8080/");
-  testURLParsing(test, "https://example.com:8080/foo");
-  testURLParsing(test, "https://example.com:8080/foo/bar");
-  testURLParsing(
-    test,
-    "https://example.com:8080/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "http://localhost/");
-  testURLParsing(test, "http://localhost/foo");
-  testURLParsing(test, "http://localhost/foo/bar");
-  testURLParsing(
-    test,
-    "http://localhost/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "https://user@example.com/");
-  testURLParsing(test, "https://user@example.com/foo");
-  testURLParsing(test, "https://user@example.com/foo/bar");
-  testURLParsing(
-    test,
-    "https://user@example.com/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "https://user@example.com:8080/");
-  testURLParsing(test, "https://user@example.com:8080/foo");
-  testURLParsing(test, "https://user@example.com:8080/foo/bar");
-  testURLParsing(
-    test,
-    "https://user@example.com:8080/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "https://user:pass@example.com/");
-  testURLParsing(test, "https://user:pass@example.com/foo");
-  testURLParsing(test, "https://user:pass@example.com/foo/bar");
-  testURLParsing(
-    test,
-    "https://user:pass@example.com/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "https://user:pass@example.com:8080/");
-  testURLParsing(test, "https://user:pass@example.com:8080/foo");
-  testURLParsing(test, "https://user:pass@example.com:8080/foo/bar");
-  testURLParsing(
-    test,
-    "https://user:pass@example.com:8080/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "https://us%40er:pa%40ss@example.com/");
-  testURLParsing(test, "https://us%40er:pa%40ss@example.com/foo");
-  testURLParsing(test, "https://us%40er:pa%40ss@example.com/foo/bar");
-  testURLParsing(
-    test,
-    "https://us%40er:pa%40ss@example.com/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "https://us%40er:pa%40ss@example.com:8080/");
-  testURLParsing(test, "https://us%40er:pa%40ss@example.com:8080/foo");
-  testURLParsing(test, "https://us%40er:pa%40ss@example.com:8080/foo/bar");
-  testURLParsing(
-    test,
-    "https://us%40er:pa%40ss@example.com:8080/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "http://192.168.1.1/");
-  testURLParsing(test, "http://192.168.1.1/foo");
-  testURLParsing(test, "http://192.168.1.1/foo/bar");
-  testURLParsing(
-    test,
-    "http://192.168.1.1/foo/bar?https://random/foo/bar"
-  );
-  testURLParsing(
-    test,
-    "http://192.168.1.1:8080/foo/bar?https://random/foo/bar"
-  );
-  testURLParsing(
-    test,
-    "http://user@192.168.1.1:8080/foo/bar?https://random/foo/bar"
-  );
-  testURLParsing(
-    test,
-    "http://user:pass@192.168.1.1:8080/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "http://[2001:db8:0:42:0:8a2e:370:7334]/");
-  testURLParsing(test, "http://[2001:db8:0:42:0:8a2e:370:7334]/foo");
-  testURLParsing(
-    test,
-    "http://[2001:db8:0:42:0:8a2e:370:7334]/foo/bar"
-  );
-  testURLParsing(
-    test,
-    "http://[2001:db8:0:42:0:8a2e:370:7334]/foo/bar?https://random/foo/bar"
-  );
-  testURLParsing(
-    test,
-    "http://[2001:db8:0:42:0:8a2e:370:7334]:8080/foo/bar?https://random/foo/bar"
-  );
-  testURLParsing(
-    test,
-    "http://user@[2001:db8:0:42:0:8a2e:370:7334]:8080/foo/bar?https://random/foo/bar"
-  );
-  testURLParsing(
-    test,
-    "http://user:pass@[2001:db8:0:42:0:8a2e:370:7334]:8080/foo/bar?https://random/foo/bar"
-  );
-
-  testURLParsing(test, "ftp://user:pass@example.com:8021/");
-  testURLParsing(test, "ftp://user:pass@example.com:8021/foo");
-  testURLParsing(test, "ftp://user:pass@example.com:8021/foo/bar");
-
-  testURLParsing(test, "about:blank");
-  testURLParsing(test, "chrome://extensions");
-  testURLParsing(
-    test,
-    "chrome-extension://bhignfpcigccnlfapldlodmhlidjaion/options.html"
-  );
-  testURLParsing(test, "mailto:john.doe@mail.example.com");
-
-  testURLParsing(test, "news:newsgroup");
-  testURLParsing(test, "news:message-id");
-  testURLParsing(test, "nntp://example.com:8119/newsgroup");
-  testURLParsing(test, "nntp://example.com:8119/message-id");
-
-  testURLParsing(test, "data:,");
-  testURLParsing(
-    test,
-    "data:text/vnd-example+xyz;foo=bar;base64,R0lGODdh"
-  );
-  testURLParsing(
-    test,
-    "data:text/plain;charset=UTF-8;page=21,the%20data:1234,5678"
-  );
-
-  testURLParsing(test, "javascript:");
-  testURLParsing(test, "javascript:alert();");
-  testURLParsing(test, "javascript:foo/bar/");
-  testURLParsing(test, "javascript://foo/bar/");
-
-  testURLParsing(test, "file:///dev/random");
-
-  testURLParsing(test, "wss://example.com/");
-  testURLParsing(test, "wss://example.com:8080/");
-  testURLParsing(test, "wss://user@example.com:8080/");
-  testURLParsing(test, "wss://user:pass@example.com:8080/");
-
-  testURLParsing(test, "stuns:stuns.example.com/");
-  testURLParsing(test, "stuns:stuns.example.com:8080/");
-  testURLParsing(test, "stuns:user@stuns.example.com:8080/");
-  testURLParsing(test, "stuns:user:pass@stuns.example.com:8080/");
-
-  // The following tests are based on
-  // https://cs.chromium.org/chromium/src/url/gurl_unittest.cc?rcl=9ec7bc85e0f6a0bf28eff6b2eca678067da547e9
-  // Note: We do not check for "canonicalization" (normalization). parseURL()
-  // should be used with normalized URLs only.
-
-  testURLParsing(test, "something:///example.com/");
-  testURLParsing(test, "something://example.com/");
-
-  testURLParsing(test, "file:///C:/foo.txt");
-  testURLParsing(test, "file://server/foo.txt");
-
-  testURLParsing(test, "http://user:pass@example.com:99/foo;bar?q=a#ref");
-
-  testURLParsing(test, "http://user:%40!$&'()*+,%3B%3D%3A@example.com:12345/");
-
-  testURLParsing(test, "filesystem:http://example.com/temporary/");
-  testURLParsing(
-    test,
-    "filesystem:http://user:%40!$&'()*+,%3B%3D%3A@example.com:12345/"
-  );
-
-  testURLParsing(test, "javascript:window.alert('hello, world');");
-  testURLParsing(test, "javascript:#");
-
-  testURLParsing(
-    test,
-    "blob:https://example.com/7ce70a1e-9681-4148-87a8-43cb9171b994"
-  );
-
-  testURLParsing(test, "http://[2001:db8::1]/");
-  testURLParsing(test, "http://[2001:db8::1]:8080/");
-  testURLParsing(test, "http://[::]:8080/");
-
-  testURLParsing(test, "not-a-standard-scheme:this is arbitrary content");
-  testURLParsing(test, "view-source:http://example.com/path");
-
-  testURLParsing(
-    test,
-    "data:text/html,Question?%3Cdiv%20style=%22color:%20#bad%22%3Eidea%3C/div%3E"
-  );
-
-  test.done();
-};
-
-exports.testNormalizeHostname = function(test)
-{
-  test.equal(normalizeHostname("example.com"), "example.com");
-  test.equal(normalizeHostname("example.com."), "example.com");
-  test.equal(normalizeHostname("example.com.."), "example.com");
-  test.equal(normalizeHostname("example.com..."), "example.com");
-
-  test.equal(normalizeHostname("Example.com"), "example.com");
-  test.equal(normalizeHostname("ExaMple.Com"), "example.com");
-  test.equal(normalizeHostname("ExaMple.Com.."), "example.com");
-
-  test.equal(normalizeHostname("192.168.1.1"), "192.168.1.1");
-  test.equal(normalizeHostname("192.168.1.1."), "192.168.1.1");
-
-  test.equal(normalizeHostname("2001:0db8:85a3:0000:0000:8a2e:0370:7334"),
-             "2001:0db8:85a3:0000:0000:8a2e:0370:7334");
-  test.equal(normalizeHostname("2001:0db8:85a3:0000:0000:8a2e:0370:7334."),
-             "2001:0db8:85a3:0000:0000:8a2e:0370:7334");
-  test.equal(normalizeHostname("2001:0DB8:85A3:0000:0000:8A2E:0370:7334"),
-             "2001:0db8:85a3:0000:0000:8a2e:0370:7334");
-
-  test.done();
-};
-
-exports.testDomainSuffixes = function(test)
-{
-  test.deepEqual([...domainSuffixes("localhost")], ["localhost"]);
-  test.deepEqual([...domainSuffixes("example.com")], ["example.com", "com"]);
-  test.deepEqual([...domainSuffixes("www.example.com")],
-                 ["www.example.com", "example.com", "com"]);
-  test.deepEqual([...domainSuffixes("www.example.co.in")],
-                 ["www.example.co.in", "example.co.in", "co.in", "in"]);
-
-  // With blank.
-  test.deepEqual([...domainSuffixes("localhost", true)], ["localhost", ""]);
-  test.deepEqual([...domainSuffixes("example.com", true)],
-                 ["example.com", "com", ""]);
-  test.deepEqual([...domainSuffixes("www.example.com", true)],
-                 ["www.example.com", "example.com", "com", ""]);
-  test.deepEqual([...domainSuffixes("www.example.co.in", true)],
-                 ["www.example.co.in", "example.co.in", "co.in", "in", ""]);
-
-  // Quirks and edge cases.
-  test.deepEqual([...domainSuffixes("")], []);
-  test.deepEqual([...domainSuffixes(".")], ["."]);
-  test.deepEqual([...domainSuffixes(".localhost")],
-                 [".localhost", "localhost"]);
-  test.deepEqual([...domainSuffixes(".example.com")],
-                 [".example.com", "example.com", "com"]);
-  test.deepEqual([...domainSuffixes("localhost.")],
-                 ["localhost."]);
-  test.deepEqual([...domainSuffixes("example.com.")],
-                 ["example.com.", "com."]);
-  test.deepEqual([...domainSuffixes("..localhost")],
-                 ["..localhost", ".localhost", "localhost"]);
-  test.deepEqual(
-    [...domainSuffixes("..example..com")],
-    ["..example..com", ".example..com", "example..com", ".com", "com"]
-  );
-  test.deepEqual([...domainSuffixes("localhost..")], ["localhost..", "."]);
-  test.deepEqual([...domainSuffixes("example..com..")],
-                 ["example..com..", ".com..", "com..", "."]);
-
-  test.done();
-};
-
-exports.testIsThirdParty = function(test)
-{
-  testThirdParty(test, "foo", "foo", false, "same domain isn't third-party");
-  testThirdParty(test, "foo", "bar", true, "different domain is third-party");
-  testThirdParty(test, "foo.com", "foo.com", false,
-                 "same domain with TLD (.com) isn't third-party");
-  testThirdParty(test, "foo.com", "bar.com", true,
-                 "same TLD (.com) but different domain is third-party");
-  testThirdParty(test, "foo.com", "www.foo.com", false,
-                 "same domain but differend subdomain isn't third-party");
-  testThirdParty(test, "foo.example.com", "bar.example.com", false,
-                 "same basedomain (example.com) isn't third-party");
-  testThirdParty(test, "foo.uk", "bar.uk", true,
-                 "same TLD (.uk) but different domain is third-party");
-  testThirdParty(test, "foo.co.uk", "bar.co.uk", true,
-                 "same TLD (.co.uk) but different domain is third-party");
-  testThirdParty(test, "foo.example.co.uk", "bar.example.co.uk", false,
-                 "same basedomain (example.co.uk) isn't third-party");
-  testThirdParty(test, "1.2.3.4", "1.2.3.4", false,
-                 "same IPv4 address isn't third-party");
-  testThirdParty(test, "1.1.1.1", "2.1.1.1", true,
-                 "different IPv4 address is third-party");
-  testThirdParty(test, "0x01ff0101", "0x01ff0101", false,
-                 "same IPv4 hexadecimal address isn't third-party");
-  testThirdParty(test, "0x01ff0101", "0x01ff0102", true,
-                 "different IPv4 hexadecimal address is third-party");
-  testThirdParty(
-    test,
-    "1.0xff.3.4", "1.0xff.3.4", false,
-    "same IPv4 address with hexadecimal octet isn't third-party"
-  );
-  testThirdParty(
-    test,
-    "1.0xff.1.1", "2.0xff.1.1", true,
-    "different IPv4 address with hexadecimal octet is third-party"
-  );
-  testThirdParty(
-    test,
-    "0xff.example.com", "example.com", false,
-    "domain starts like a hexadecimal IPv4 address but isn't one"
-  );
-  testThirdParty(
-    test,
-    "[2001:db8:85a3::8a2e:370:7334]", "[2001:db8:85a3::8a2e:370:7334]", false,
-    "same IPv6 address isn't third-party"
-  );
-  testThirdParty(
-    test,
-    "[2001:db8:85a3::8a2e:370:7334]", "[5001:db8:85a3::8a2e:370:7334]", true,
-    "different IPv6 address is third-party"
-  );
-  testThirdParty(
-    test,
-    "[::ffff:192.0.2.128]", "[::ffff:192.0.2.128]", false,
-    "same IPv4-mapped IPv6 address isn't third-party"
-  );
-  testThirdParty(
-    test,
-    "[::ffff:192.0.2.128]", "[::ffff:192.1.2.128]", true,
-    "different IPv4-mapped IPv6 address is third-party"
-  );
-  testThirdParty(test, "xn--f-1gaa.com", "f\u00f6\u00f6.com", false,
-                 "same IDN isn't third-party");
-  testThirdParty(test, "example.com..", "example.com....", false,
-                 "traling dots are ignored");
-
-  test.done();
-};
-
-exports.testGetBaseDomain = function(test)
-{
-  let parts = ["aaa", "bbb", "ccc", "ddd", "eee"];
-  let levels = 3;
-
-  for (let suffix in publicSuffixes)
-  {
-    let offset = publicSuffixes[suffix];
-
-    // If this fails, add more parts.
-    test.ok(offset <= parts.length - levels,
-            "Not enough domain parts for testing");
-
-    for (let i = 0; i < offset + levels; i++)
+
+    testURLParsing("https://example.com/");
+    testURLParsing("https://example.com/foo");
+    testURLParsing("https://example.com/foo/bar");
+    testURLParsing(
+      "https://example.com/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("https://example.com:8080/");
+    testURLParsing("https://example.com:8080/foo");
+    testURLParsing("https://example.com:8080/foo/bar");
+    testURLParsing(
+      "https://example.com:8080/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("http://localhost/");
+    testURLParsing("http://localhost/foo");
+    testURLParsing("http://localhost/foo/bar");
+    testURLParsing(
+      "http://localhost/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("https://user@example.com/");
+    testURLParsing("https://user@example.com/foo");
+    testURLParsing("https://user@example.com/foo/bar");
+    testURLParsing(
+      "https://user@example.com/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("https://user@example.com:8080/");
+    testURLParsing("https://user@example.com:8080/foo");
+    testURLParsing("https://user@example.com:8080/foo/bar");
+    testURLParsing(
+      "https://user@example.com:8080/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("https://user:pass@example.com/");
+    testURLParsing("https://user:pass@example.com/foo");
+    testURLParsing("https://user:pass@example.com/foo/bar");
+    testURLParsing(
+      "https://user:pass@example.com/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("https://user:pass@example.com:8080/");
+    testURLParsing("https://user:pass@example.com:8080/foo");
+    testURLParsing("https://user:pass@example.com:8080/foo/bar");
+    testURLParsing(
+      "https://user:pass@example.com:8080/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("https://us%40er:pa%40ss@example.com/");
+    testURLParsing("https://us%40er:pa%40ss@example.com/foo");
+    testURLParsing("https://us%40er:pa%40ss@example.com/foo/bar");
+    testURLParsing(
+      "https://us%40er:pa%40ss@example.com/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("https://us%40er:pa%40ss@example.com:8080/");
+    testURLParsing("https://us%40er:pa%40ss@example.com:8080/foo");
+    testURLParsing("https://us%40er:pa%40ss@example.com:8080/foo/bar");
+    testURLParsing(
+      "https://us%40er:pa%40ss@example.com:8080/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("http://192.168.1.1/");
+    testURLParsing("http://192.168.1.1/foo");
+    testURLParsing("http://192.168.1.1/foo/bar");
+    testURLParsing(
+      "http://192.168.1.1/foo/bar?https://random/foo/bar"
+    );
+    testURLParsing(
+      "http://192.168.1.1:8080/foo/bar?https://random/foo/bar"
+    );
+    testURLParsing(
+      "http://user@192.168.1.1:8080/foo/bar?https://random/foo/bar"
+    );
+    testURLParsing(
+      "http://user:pass@192.168.1.1:8080/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("http://[2001:db8:0:42:0:8a2e:370:7334]/");
+    testURLParsing("http://[2001:db8:0:42:0:8a2e:370:7334]/foo");
+    testURLParsing(
+      "http://[2001:db8:0:42:0:8a2e:370:7334]/foo/bar"
+    );
+    testURLParsing(
+      "http://[2001:db8:0:42:0:8a2e:370:7334]/foo/bar?https://random/foo/bar"
+    );
+    testURLParsing(
+      "http://[2001:db8:0:42:0:8a2e:370:7334]:8080/foo/bar?https://random/foo/bar"
+    );
+    testURLParsing(
+      "http://user@[2001:db8:0:42:0:8a2e:370:7334]:8080/foo/bar?https://random/foo/bar"
+    );
+    testURLParsing(
+      "http://user:pass@[2001:db8:0:42:0:8a2e:370:7334]:8080/foo/bar?https://random/foo/bar"
+    );
+
+    testURLParsing("ftp://user:pass@example.com:8021/");
+    testURLParsing("ftp://user:pass@example.com:8021/foo");
+    testURLParsing("ftp://user:pass@example.com:8021/foo/bar");
+
+    testURLParsing("about:blank");
+    testURLParsing("chrome://extensions");
+    testURLParsing(
+      "chrome-extension://bhignfpcigccnlfapldlodmhlidjaion/options.html"
+    );
+    testURLParsing("mailto:john.doe@mail.example.com");
+
+    testURLParsing("news:newsgroup");
+    testURLParsing("news:message-id");
+    testURLParsing("nntp://example.com:8119/newsgroup");
+    testURLParsing("nntp://example.com:8119/message-id");
+
+    testURLParsing("data:,");
+    testURLParsing(
+      "data:text/vnd-example+xyz;foo=bar;base64,R0lGODdh"
+    );
+    testURLParsing(
+      "data:text/plain;charset=UTF-8;page=21,the%20data:1234,5678"
+    );
+
+    testURLParsing("javascript:");
+    testURLParsing("javascript:alert();");
+    testURLParsing("javascript:foo/bar/");
+    testURLParsing("javascript://foo/bar/");
+
+    testURLParsing("file:///dev/random");
+
+    testURLParsing("wss://example.com/");
+    testURLParsing("wss://example.com:8080/");
+    testURLParsing("wss://user@example.com:8080/");
+    testURLParsing("wss://user:pass@example.com:8080/");
+
+    testURLParsing("stuns:stuns.example.com/");
+    testURLParsing("stuns:stuns.example.com:8080/");
+    testURLParsing("stuns:user@stuns.example.com:8080/");
+    testURLParsing("stuns:user:pass@stuns.example.com:8080/");
+
+    // The following tests are based on
+    // https://cs.chromium.org/chromium/src/url/gurl_unittest.cc?rcl=9ec7bc85e0f6a0bf28eff6b2eca678067da547e9
+    // Note: We do not check for "canonicalization" (normalization). parseURL()
+    // should be used with normalized URLs only.
+
+    testURLParsing("something:///example.com/");
+    testURLParsing("something://example.com/");
+
+    testURLParsing("file:///C:/foo.txt");
+    testURLParsing("file://server/foo.txt");
+
+    testURLParsing("http://user:pass@example.com:99/foo;bar?q=a#ref");
+
+    testURLParsing("http://user:%40!$&'()*+,%3B%3D%3A@example.com:12345/");
+
+    testURLParsing("filesystem:http://example.com/temporary/");
+    testURLParsing(
+      "filesystem:http://user:%40!$&'()*+,%3B%3D%3A@example.com:12345/"
+    );
+
+    testURLParsing("javascript:window.alert('hello, world');");
+    testURLParsing("javascript:#");
+
+    testURLParsing(
+      "blob:https://example.com/7ce70a1e-9681-4148-87a8-43cb9171b994"
+    );
+
+    testURLParsing("http://[2001:db8::1]/");
+    testURLParsing("http://[2001:db8::1]:8080/");
+    testURLParsing("http://[::]:8080/");
+
+    testURLParsing("not-a-standard-scheme:this is arbitrary content");
+    testURLParsing("view-source:http://example.com/path");
+
+    testURLParsing(
+      "data:text/html,Question?%3Cdiv%20style=%22color:%20#bad%22%3Eidea%3C/div%3E"
+    );
+  });
+
+  it("Is Third Party", () =>
+  {
+    function hostnameToURL(hostname)
     {
-      let hostname = parts.slice(0, i).join(".");
-      hostname += (hostname ? "." : "") + suffix;
-
-      let expected = parts.slice(Math.max(0, i - offset), i).join(".");
-      expected += (expected ? "." : "") + suffix;
-
-      test.equal(getBaseDomain(hostname), expected,
-                 `getBaseDomain("${hostname}") == "${expected}"` +
-                 ` with {suffix: "${suffix}", offset: ${offset}}`);
+      return new URL("http://" + hostname);
     }
-  }
-
-  // Unknown suffixes.
-  test.equal(typeof publicSuffixes["localhost"], "undefined");
-  test.equal(typeof publicSuffixes["localhost.localdomain"], "undefined");
-
-  test.equal(getBaseDomain("localhost"), "localhost");
-  test.equal(getBaseDomain("localhost.localdomain"), "localhost.localdomain");
-  test.equal(
-    getBaseDomain("mail.localhost.localdomain"),
-    "localhost.localdomain"
-  );
-  test.equal(getBaseDomain("www.example.localhost.localdomain"),
-             "localhost.localdomain");
-
-  // Unknown suffixes that overlap partly with known suffixes.
-  test.equal(typeof publicSuffixes["example.com"], "undefined");
-  test.equal(typeof publicSuffixes["africa.com"], "number");
-  test.equal(typeof publicSuffixes["compute.amazonaws.com"], "number");
-
-  test.equal(getBaseDomain("example.com"), "example.com");
-  test.equal(getBaseDomain("mail.example.com"), "example.com");
-  test.equal(getBaseDomain("secure.mail.example.com"), "example.com");
-
-  // Cascading offsets.
-
-  // If these sanity checks fail, look for other examles of cascading offsets
-  // from the public suffix list.
-  test.equal(
-    typeof publicSuffixes[
-      "images.example.s3.dualstack.us-east-1.amazonaws.com"
-    ],
-    "undefined"
-  );
-  test.equal(
-    typeof publicSuffixes["example.s3.dualstack.us-east-1.amazonaws.com"],
-    "undefined"
-  );
-  test.equal(publicSuffixes["s3.dualstack.us-east-1.amazonaws.com"], 1);
-  test.equal(typeof publicSuffixes["dualstack.us-east-1.amazonaws.com"],
-             "undefined");
-  test.equal(typeof publicSuffixes["example.us-east-1.amazonaws.com"],
-             "undefined");
-  test.equal(publicSuffixes["us-east-1.amazonaws.com"], 1);
-  test.equal(typeof publicSuffixes["example.amazonaws.com"], "undefined");
-  test.equal(typeof publicSuffixes["amazonaws.com"], "undefined");
-
-  test.equal(
-    getBaseDomain("images.example.s3.dualstack.us-east-1.amazonaws.com"),
-    "example.s3.dualstack.us-east-1.amazonaws.com"
-  );
-  test.equal(getBaseDomain("example.s3.dualstack.us-east-1.amazonaws.com"),
-            "example.s3.dualstack.us-east-1.amazonaws.com");
-  test.equal(getBaseDomain("s3.dualstack.us-east-1.amazonaws.com"),
-            "s3.dualstack.us-east-1.amazonaws.com");
-  test.equal(getBaseDomain("dualstack.us-east-1.amazonaws.com"),
-            "dualstack.us-east-1.amazonaws.com");
-  test.equal(getBaseDomain("example.us-east-1.amazonaws.com"),
-            "example.us-east-1.amazonaws.com");
-  test.equal(
-    getBaseDomain("us-east-1.amazonaws.com"),
-    "us-east-1.amazonaws.com"
-  );
-  test.equal(getBaseDomain("example.amazonaws.com"), "amazonaws.com");
-  test.equal(getBaseDomain("amazonaws.com"), "amazonaws.com");
-
-  // Edge case.
-  test.equal(getBaseDomain(""), "");
-
-  test.done();
-};
+
+    function testThirdParty(requestHostname, documentHostname, expected,
+                            message)
+    {
+      assert.equal(
+        isThirdParty(
+          hostnameToURL(requestHostname),
+
+          // Chrome's URL object normalizes IP addresses. So some test
+          // will fail if we don't normalize the document host as well.
+          hostnameToURL(documentHostname).hostname
+        ),
+        expected,
+        message
+      );
+    }
+
+    testThirdParty("foo", "foo", false, "same domain isn't third-party");
+    testThirdParty("foo", "bar", true, "different domain is third-party");
+    testThirdParty("foo.com", "foo.com", false,
+                   "same domain with TLD (.com) isn't third-party");
+    testThirdParty("foo.com", "bar.com", true,
+                   "same TLD (.com) but different domain is third-party");
+    testThirdParty("foo.com", "www.foo.com", false,
+                   "same domain but differend subdomain isn't third-party");
+    testThirdParty("foo.example.com", "bar.example.com", false,
+                   "same basedomain (example.com) isn't third-party");
+    testThirdParty("foo.uk", "bar.uk", true,
+                   "same TLD (.uk) but different domain is third-party");
+    testThirdParty("foo.co.uk", "bar.co.uk", true,
+                   "same TLD (.co.uk) but different domain is third-party");
+    testThirdParty("foo.example.co.uk", "bar.example.co.uk", false,
+                   "same basedomain (example.co.uk) isn't third-party");
+    testThirdParty("1.2.3.4", "1.2.3.4", false,
+                   "same IPv4 address isn't third-party");
+    testThirdParty("1.1.1.1", "2.1.1.1", true,
+                   "different IPv4 address is third-party");
+    testThirdParty("0x01ff0101", "0x01ff0101", false,
+                   "same IPv4 hexadecimal address isn't third-party");
+    testThirdParty("0x01ff0101", "0x01ff0102", true,
+                   "different IPv4 hexadecimal address is third-party");
+    testThirdParty(
+      "1.0xff.3.4", "1.0xff.3.4", false,
+      "same IPv4 address with hexadecimal octet isn't third-party"
+    );
+    testThirdParty(
+      "1.0xff.1.1", "2.0xff.1.1", true,
+      "different IPv4 address with hexadecimal octet is third-party"
+    );
+    testThirdParty(
+      "0xff.example.com", "example.com", false,
+      "domain starts like a hexadecimal IPv4 address but isn't one"
+    );
+    testThirdParty(
+      "[2001:db8:85a3::8a2e:370:7334]", "[2001:db8:85a3::8a2e:370:7334]", false,
+      "same IPv6 address isn't third-party"
+    );
+    testThirdParty(
+      "[2001:db8:85a3::8a2e:370:7334]", "[5001:db8:85a3::8a2e:370:7334]", true,
+      "different IPv6 address is third-party"
+    );
+    testThirdParty(
+      "[::ffff:192.0.2.128]", "[::ffff:192.0.2.128]", false,
+      "same IPv4-mapped IPv6 address isn't third-party"
+    );
+    testThirdParty(
+      "[::ffff:192.0.2.128]", "[::ffff:192.1.2.128]", true,
+      "different IPv4-mapped IPv6 address is third-party"
+    );
+    testThirdParty("xn--f-1gaa.com", "f\u00f6\u00f6.com", false,
+                   "same IDN isn't third-party");
+    testThirdParty("example.com..", "example.com....", false,
+                   "traling dots are ignored");
+  });
+
+  it("Get Base Domain", () =>
+  {
+    let parts = ["aaa", "bbb", "ccc", "ddd", "eee"];
+    let levels = 3;
+
+    for (let suffix in publicSuffixes)
+    {
+      let offset = publicSuffixes[suffix];
+
+      // If this fails, add more parts.
+      assert.ok(offset <= parts.length - levels,
+              "Not enough domain parts for testing");
+
+      for (let i = 0; i < offset + levels; i++)
+      {
+        let hostname = parts.slice(0, i).join(".");
+        hostname += (hostname ? "." : "") + suffix;
+
+        let expected = parts.slice(Math.max(0, i - offset), i).join(".");
+        expected += (expected ? "." : "") + suffix;
+
+        assert.equal(getBaseDomain(hostname), expected,
+                   `getBaseDomain("${hostname}") == "${expected}"` +
+                   ` with {suffix: "${suffix}", offset: ${offset}}`);
+      }
+    }
+
+    // Unknown suffixes.
+    assert.equal(typeof publicSuffixes["localhost"], "undefined");
+    assert.equal(typeof publicSuffixes["localhost.localdomain"], "undefined");
+
+    assert.equal(getBaseDomain("localhost"), "localhost");
+    assert.equal(getBaseDomain("localhost.localdomain"), "localhost.localdomain");
+    assert.equal(
+      getBaseDomain("mail.localhost.localdomain"),
+      "localhost.localdomain"
+    );
+    assert.equal(getBaseDomain("www.example.localhost.localdomain"),
+               "localhost.localdomain");
+
+    // Unknown suffixes that overlap partly with known suffixes.
+    assert.equal(typeof publicSuffixes["example.com"], "undefined");
+    assert.equal(typeof publicSuffixes["africa.com"], "number");
+    assert.equal(typeof publicSuffixes["compute.amazonaws.com"], "number");
+
+    assert.equal(getBaseDomain("example.com"), "example.com");
+    assert.equal(getBaseDomain("mail.example.com"), "example.com");
+    assert.equal(getBaseDomain("secure.mail.example.com"), "example.com");
+
+    // Cascading offsets.
+
+    // If these sanity checks fail, look for other examles of cascading offsets
+    // from the public suffix list.
+    assert.equal(
+      typeof publicSuffixes[
+        "images.example.s3.dualstack.us-east-1.amazonaws.com"
+      ],
+      "undefined"
+    );
+    assert.equal(
+      typeof publicSuffixes["example.s3.dualstack.us-east-1.amazonaws.com"],
+      "undefined"
+    );
+    assert.equal(publicSuffixes["s3.dualstack.us-east-1.amazonaws.com"], 1);
+    assert.equal(typeof publicSuffixes["dualstack.us-east-1.amazonaws.com"],
+               "undefined");
+    assert.equal(typeof publicSuffixes["example.us-east-1.amazonaws.com"],
+               "undefined");
+    assert.equal(publicSuffixes["us-east-1.amazonaws.com"], 1);
+    assert.equal(typeof publicSuffixes["example.amazonaws.com"], "undefined");
+    assert.equal(typeof publicSuffixes["amazonaws.com"], "undefined");
+
+    assert.equal(
+      getBaseDomain("images.example.s3.dualstack.us-east-1.amazonaws.com"),
+      "example.s3.dualstack.us-east-1.amazonaws.com"
+    );
+    assert.equal(getBaseDomain("example.s3.dualstack.us-east-1.amazonaws.com"),
+               "example.s3.dualstack.us-east-1.amazonaws.com");
+    assert.equal(getBaseDomain("s3.dualstack.us-east-1.amazonaws.com"),
+               "s3.dualstack.us-east-1.amazonaws.com");
+    assert.equal(getBaseDomain("dualstack.us-east-1.amazonaws.com"),
+               "dualstack.us-east-1.amazonaws.com");
+    assert.equal(getBaseDomain("example.us-east-1.amazonaws.com"),
+               "example.us-east-1.amazonaws.com");
+    assert.equal(
+      getBaseDomain("us-east-1.amazonaws.com"),
+      "us-east-1.amazonaws.com"
+    );
+    assert.equal(getBaseDomain("example.amazonaws.com"), "amazonaws.com");
+    assert.equal(getBaseDomain("amazonaws.com"), "amazonaws.com");
+
+    // Edge case.
+    assert.equal(getBaseDomain(""), "");
+  });
+});
+