chrome/browser/status_icons/status_icon_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/status_icons/status_icon.h"
   6
   7 #include "base/compiler_specific.h"
   8 #include "chrome/browser/status_icons/status_icon_observer.h"
   9 #include "testing/gmock/include/gmock/gmock.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 class MockStatusIconObserver : public StatusIconObserver {
  13  public:
  14   MOCK_METHOD0(OnStatusIconClicked, void());
  15 };
  16
  17 // Define pure virtual functions so we can test base class functionality.
  18 class TestStatusIcon : public StatusIcon {
  19  public:
  20   TestStatusIcon() {}
  21   virtual void SetImage(const gfx::ImageSkia& image) OVERRIDE {}
  22   virtual void SetToolTip(const base::string16& tool_tip) OVERRIDE {}
  23   virtual void UpdatePlatformContextMenu(
  24       StatusIconMenuModel* menu) OVERRIDE {}
  25   virtual void DisplayBalloon(const gfx::ImageSkia& icon,
  26                               const base::string16& title,
  27                               const base::string16& contents) OVERRIDE {}
  28 };
  29
  30 TEST(StatusIconTest, ObserverAdd) {
  31   // Make sure that observers are invoked when we click items.
  32   TestStatusIcon icon;
  33   MockStatusIconObserver observer, observer2;
  34   EXPECT_CALL(observer, OnStatusIconClicked()).Times(2);
  35   EXPECT_CALL(observer2, OnStatusIconClicked());
  36   icon.AddObserver(&observer);
  37   icon.DispatchClickEvent();
  38   icon.AddObserver(&observer2);
  39   icon.DispatchClickEvent();
  40   icon.RemoveObserver(&observer);
  41   icon.RemoveObserver(&observer2);
  42 }
  43
  44 TEST(StatusIconTest, ObserverRemove) {
  45   // Make sure that observers are no longer invoked after they are removed.
  46   TestStatusIcon icon;
  47   MockStatusIconObserver observer;
  48   EXPECT_CALL(observer, OnStatusIconClicked());
  49   icon.AddObserver(&observer);
  50   icon.DispatchClickEvent();
  51   icon.RemoveObserver(&observer);
  52   icon.DispatchClickEvent();
  53 }