diff -r 000000000000 -r 6474c204b198 addon-sdk/source/test/private-browsing/windows.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/test/private-browsing/windows.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,139 @@
+/* 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/. */
+'use strict';
+
+const { pb, pbUtils } = require('./helper');
+const { onFocus, openDialog, open } = require('sdk/window/utils');
+const { open: openPromise, close, focus, promise } = require('sdk/window/helpers');
+const { isPrivate } = require('sdk/private-browsing');
+const { browserWindows: windows } = require('sdk/windows');
+const { defer } = require('sdk/core/promise');
+const tabs = require('sdk/tabs');
+
+// test openDialog() from window/utils with private option
+// test isActive state in pwpb case
+// test isPrivate on ChromeWindow
+exports.testPerWindowPrivateBrowsingGetter = function(assert, done) {
+  let win = openDialog({
+    private: true
+  });
+
+  promise(win, 'DOMContentLoaded').then(function onload() {
+    assert.equal(pbUtils.getMode(win),
+                 true, 'Newly opened window is in PB mode');
+    assert.ok(isPrivate(win), 'isPrivate(window) is true');
+    assert.equal(pb.isActive, false, 'PB mode is not active');
+
+    close(win).then(function() {
+      assert.equal(pb.isActive, false, 'PB mode is not active');
+      done();
+    });
+  });
+}
+
+// test open() from window/utils with private feature
+// test isActive state in pwpb case
+// test isPrivate on ChromeWindow
+exports.testPerWindowPrivateBrowsingGetter = function(assert, done) {
+  let win = open('chrome://browser/content/browser.xul', {
+    features: {
+      private: true
+    }
+  });
+
+  promise(win, 'DOMContentLoaded').then(function onload() {
+    assert.equal(pbUtils.getMode(win),
+                 true, 'Newly opened window is in PB mode');
+    assert.ok(isPrivate(win), 'isPrivate(window) is true');
+    assert.equal(pb.isActive, false, 'PB mode is not active');
+
+    close(win).then(function() {
+      assert.equal(pb.isActive, false, 'PB mode is not active');
+      done();
+    });
+  });
+}
+
+exports.testIsPrivateOnWindowOpen = function(assert, done) {
+  windows.open({
+    isPrivate: true,
+    onOpen: function(window) {
+      assert.equal(isPrivate(window), false, 'isPrivate for a window is true when it should be');
+      assert.equal(isPrivate(window.tabs[0]), false, 'isPrivate for a tab is false when it should be');
+      window.close(done);
+    }
+  });
+}
+
+exports.testIsPrivateOnWindowOpenFromPrivate = function(assert, done) {
+    // open a private window
+    openPromise(null, {
+      features: {
+        private: true,
+        chrome: true,
+        titlebar: true,
+        toolbar: true
+      }
+    }).then(focus).then(function(window) {
+      let { promise, resolve } = defer();
+
+      assert.equal(isPrivate(window), true, 'the only open window is private');
+
+      windows.open({
+        url: 'about:blank',
+        onOpen: function(w) {
+          assert.equal(isPrivate(w), false, 'new test window is not private');
+          w.close(function() resolve(window));
+        }
+      });
+
+      return promise;
+    }).then(close).
+       then(done, assert.fail);
+};
+
+exports.testOpenTabWithPrivateWindow = function(assert, done) {
+  function start() {
+    openPromise(null, {
+      features: {
+        private: true,
+        toolbar: true
+      }
+    }).then(focus).then(function(window) {
+      let { promise, resolve } = defer();
+      assert.equal(isPrivate(window), true, 'the focused window is private');
+
+      tabs.open({
+        url: 'about:blank',
+        onOpen: function(tab) {
+          assert.equal(isPrivate(tab), false, 'the opened tab is not private');
+          // not closing this tab on purpose.. for now...
+          // we keep this tab open because we closed all windows
+          // and must keep a non-private window open at end of this test for next ones.
+          resolve(window);
+        }
+      });
+
+      return promise;
+    }).then(close).then(done, assert.fail);
+  }
+
+  (function closeWindows() {
+    if (windows.length > 0) {
+      return windows.activeWindow.close(closeWindows);
+    }
+    assert.pass('all pre test windows have been closed');
+    return start();
+  })()
+};
+
+exports.testIsPrivateOnWindowOff = function(assert, done) {
+  windows.open({
+    onOpen: function(window) {
+      assert.equal(isPrivate(window), false, 'isPrivate for a window is false when it should be');
+      assert.equal(isPrivate(window.tabs[0]), false, 'isPrivate for a tab is false when it should be');
+      window.close(done);
+    }
+  })
+}