1 files changed, 58 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_standardurl_default_port.js b/netwerk/test/unit/test_standardurl_default_port.js
new file mode 100644
index 0000000000..a62edcf0e7
--- /dev/null
+++ b/netwerk/test/unit/test_standardurl_default_port.js
@@ -0,0 +1,58 @@
+/* -*- 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);
+}