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      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 SetPressedImage(const gfx::ImageSkia& image) OVERRIDE {}
     23   virtual void SetToolTip(const base::string16& tool_tip) OVERRIDE {}
     24   virtual void UpdatePlatformContextMenu(
     25       StatusIconMenuModel* menu) OVERRIDE {}
     26   virtual void DisplayBalloon(const gfx::ImageSkia& icon,
     27                               const base::string16& title,
     28                               const base::string16& contents) OVERRIDE {}
     29 };
     30 
     31 TEST(StatusIconTest, ObserverAdd) {
     32   // Make sure that observers are invoked when we click items.
     33   TestStatusIcon icon;
     34   MockStatusIconObserver observer, observer2;
     35   EXPECT_CALL(observer, OnStatusIconClicked()).Times(2);
     36   EXPECT_CALL(observer2, OnStatusIconClicked());
     37   icon.AddObserver(&observer);
     38   icon.DispatchClickEvent();
     39   icon.AddObserver(&observer2);
     40   icon.DispatchClickEvent();
     41   icon.RemoveObserver(&observer);
     42   icon.RemoveObserver(&observer2);
     43 }
     44 
     45 TEST(StatusIconTest, ObserverRemove) {
     46   // Make sure that observers are no longer invoked after they are removed.
     47   TestStatusIcon icon;
     48   MockStatusIconObserver observer;
     49   EXPECT_CALL(observer, OnStatusIconClicked());
     50   icon.AddObserver(&observer);
     51   icon.DispatchClickEvent();
     52   icon.RemoveObserver(&observer);
     53   icon.DispatchClickEvent();
     54 }
     55