diff -r 000000000000 -r 6474c204b198 browser/components/preferences/in-content/tests/browser_connection.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/preferences/in-content/tests/browser_connection.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,121 @@
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/* 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/. */
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+function test() {
+  waitForExplicitFinish();
+
+  // network.proxy.type needs to be backed up and restored because mochitest
+  // changes this setting from the default
+  let oldNetworkProxyType = Services.prefs.getIntPref("network.proxy.type");
+  registerCleanupFunction(function() {
+    Services.prefs.setIntPref("network.proxy.type", oldNetworkProxyType);
+    Services.prefs.clearUserPref("network.proxy.no_proxies_on");
+    Services.prefs.clearUserPref("browser.preferences.instantApply");
+  });
+
+  let connectionURL = "chrome://browser/content/preferences/connection.xul";
+  let windowWatcher = Services.ww;
+
+  // instantApply must be true, otherwise connection dialog won't save
+  // when opened from in-content prefs
+  Services.prefs.setBoolPref("browser.preferences.instantApply", true);
+
+  // this observer is registered after the pref tab loads
+  let observer = {
+    observe: function(aSubject, aTopic, aData) {
+      if (aTopic == "domwindowopened") {
+        // when connection window loads, run tests and acceptDialog()
+        let win = aSubject.QueryInterface(Components.interfaces.nsIDOMWindow);
+        win.addEventListener("load", function winLoadListener() {
+          win.removeEventListener("load", winLoadListener, false);
+          if (win.location.href == connectionURL) {
+            ok(true, "connection window opened");
+            runConnectionTests(win);
+            win.document.documentElement.acceptDialog();
+          }
+        }, false);
+      } else if (aTopic == "domwindowclosed") {
+        // finish up when connection window closes
+        let win = aSubject.QueryInterface(Components.interfaces.nsIDOMWindow);
+        if (win.location.href == connectionURL) {
+          windowWatcher.unregisterNotification(observer);
+          ok(true, "connection window closed");
+          // runConnectionTests will have changed this pref - make sure it was
+          // sanitized correctly when the dialog was accepted
+          is(Services.prefs.getCharPref("network.proxy.no_proxies_on"),
+             ".a.com,.b.com,.c.com", "no_proxies_on pref has correct value");
+          gBrowser.removeCurrentTab();
+          finish();
+        }
+      }
+    }
+  };
+
+  /*
+  The connection dialog alone won't save onaccept since it uses type="child",
+  so it has to be opened as a sub dialog of the main pref tab.
+  Open the main tab here.
+  */
+  open_preferences(function tabOpened(aContentWindow) {
+    is(gBrowser.currentURI.spec, "about:preferences", "about:preferences loaded");
+    windowWatcher.registerNotification(observer);
+    gBrowser.contentWindow.gAdvancedPane.showConnections();
+  });
+}
+
+// run a bunch of tests on the window containing connection.xul
+function runConnectionTests(win) {
+  let doc = win.document;
+  let networkProxyNone = doc.getElementById("networkProxyNone");
+  let networkProxyNonePref = doc.getElementById("network.proxy.no_proxies_on");
+  let networkProxyTypePref = doc.getElementById("network.proxy.type");
+
+  // make sure the networkProxyNone textbox is formatted properly
+  is(networkProxyNone.getAttribute("multiline"), "true",
+     "networkProxyNone textbox is multiline");
+  is(networkProxyNone.getAttribute("rows"), "2",
+     "networkProxyNone textbox has two rows");
+
+  // check if sanitizing the given input for the no_proxies_on pref results in
+  // expected string
+  function testSanitize(input, expected, errorMessage) {
+    networkProxyNonePref.value = input;
+    win.gConnectionsDialog.sanitizeNoProxiesPref();
+    is(networkProxyNonePref.value, expected, errorMessage);
+  }
+
+  // change this pref so proxy exceptions are actually configurable
+  networkProxyTypePref.value = 1;
+  is(networkProxyNone.disabled, false, "networkProxyNone textbox is enabled");
+
+  testSanitize(".a.com", ".a.com",
+               "sanitize doesn't mess up single filter");
+  testSanitize(".a.com, .b.com, .c.com", ".a.com, .b.com, .c.com",
+               "sanitize doesn't mess up multiple comma/space sep filters");
+  testSanitize(".a.com\n.b.com", ".a.com,.b.com",
+               "sanitize turns line break into comma");
+  testSanitize(".a.com,\n.b.com", ".a.com,.b.com",
+               "sanitize doesn't add duplicate comma after comma");
+  testSanitize(".a.com\n,.b.com", ".a.com,.b.com",
+               "sanitize doesn't add duplicate comma before comma");
+  testSanitize(".a.com,\n,.b.com", ".a.com,,.b.com",
+               "sanitize doesn't add duplicate comma surrounded by commas");
+  testSanitize(".a.com, \n.b.com", ".a.com, .b.com",
+               "sanitize doesn't add comma after comma/space");
+  testSanitize(".a.com\n .b.com", ".a.com, .b.com",
+               "sanitize adds comma before space");
+  testSanitize(".a.com\n\n\n;;\n;\n.b.com", ".a.com,.b.com",
+               "sanitize only adds one comma per substring of bad chars");
+  testSanitize(".a.com,,.b.com", ".a.com,,.b.com",
+               "duplicate commas from user are untouched");
+  testSanitize(".a.com\n.b.com\n.c.com,\n.d.com,\n.e.com",
+               ".a.com,.b.com,.c.com,.d.com,.e.com",
+               "sanitize replaces things globally");
+
+  // will check that this was sanitized properly after window closes
+  networkProxyNonePref.value = ".a.com;.b.com\n.c.com";
+}