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      1 // Copyright (c) 2011 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 #include "testing/gmock/include/gmock/gmock.h"
      7 #include "testing/gtest/include/gtest/gtest.h"
      8 
      9 class MockStatusIconObserver : public StatusIcon::Observer {
     10  public:
     11   MOCK_METHOD0(OnClicked, void());
     12 };
     13 
     14 // Define pure virtual functions so we can test base class functionality.
     15 class TestStatusIcon : public StatusIcon {
     16  public:
     17   TestStatusIcon() {}
     18   virtual void SetImage(const SkBitmap& image) {}
     19   virtual void SetPressedImage(const SkBitmap& image) {}
     20   virtual void SetToolTip(const string16& tool_tip) {}
     21   virtual void UpdatePlatformContextMenu(ui::MenuModel* menu) {}
     22   virtual void DisplayBalloon(const string16& title,
     23                               const string16& contents) {}
     24 };
     25 
     26 TEST(StatusIconTest, ObserverAdd) {
     27   // Make sure that observers are invoked when we click items.
     28   TestStatusIcon icon;
     29   MockStatusIconObserver observer, observer2;
     30   EXPECT_CALL(observer, OnClicked()).Times(2);
     31   EXPECT_CALL(observer2, OnClicked());
     32   icon.AddObserver(&observer);
     33   icon.DispatchClickEvent();
     34   icon.AddObserver(&observer2);
     35   icon.DispatchClickEvent();
     36   icon.RemoveObserver(&observer);
     37   icon.RemoveObserver(&observer2);
     38 }
     39 
     40 TEST(StatusIconTest, ObserverRemove) {
     41   // Make sure that observers are no longer invoked after they are removed.
     42   TestStatusIcon icon;
     43   MockStatusIconObserver observer;
     44   EXPECT_CALL(observer, OnClicked());
     45   icon.AddObserver(&observer);
     46   icon.DispatchClickEvent();
     47   icon.RemoveObserver(&observer);
     48   icon.DispatchClickEvent();
     49 }
     50