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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 #import "ui/base/cocoa/hover_image_button.h"
      6 
      7 #import "base/mac/scoped_nsobject.h"
      8 #import "ui/gfx/test/ui_cocoa_test_helper.h"
      9 
     10 namespace {
     11 
     12 class HoverImageButtonTest : public ui::CocoaTest {
     13  public:
     14   HoverImageButtonTest() {
     15     NSRect content_frame = [[test_window() contentView] frame];
     16     base::scoped_nsobject<HoverImageButton> button(
     17         [[HoverImageButton alloc] initWithFrame:content_frame]);
     18     button_ = button.get();
     19     [[test_window() contentView] addSubview:button_];
     20   }
     21 
     22   void DrawRect() {
     23     [button_ lockFocus];
     24     [button_ drawRect:[button_ bounds]];
     25     [button_ unlockFocus];
     26   }
     27 
     28   HoverImageButton* button_;
     29 };
     30 
     31 // Test mouse events.
     32 TEST_F(HoverImageButtonTest, ImageSwap) {
     33   NSImage* image = [NSImage imageNamed:NSImageNameStatusAvailable];
     34   NSImage* hover = [NSImage imageNamed:NSImageNameStatusNone];
     35   [button_ setDefaultImage:image];
     36   [button_ setHoverImage:hover];
     37 
     38   [button_ mouseEntered:nil];
     39   DrawRect();
     40   EXPECT_EQ([button_ image], hover);
     41   [button_ mouseExited:nil];
     42   DrawRect();
     43   EXPECT_NE([button_ image], hover);
     44   EXPECT_EQ([button_ image], image);
     45 }
     46 
     47 }  // namespace
     48