hover_image_button_unittest.mm revision ddb351dbec246cf1fab5ec20d2d5520909041de1 
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#import <Cocoa/Cocoa.h>
6
7#include "base/memory/scoped_nsobject.h"
8#import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
9#import "chrome/browser/ui/cocoa/hover_image_button.h"
10#include "grit/theme_resources.h"
11#include "testing/gtest/include/gtest/gtest.h"
12#include "testing/platform_test.h"
13#include "ui/base/resource/resource_bundle.h"
14#include "ui/gfx/image.h"
15
16namespace {
17
18class HoverImageButtonTest : public CocoaTest {
19 public:
20  HoverImageButtonTest() {
21    NSRect content_frame = [[test_window() contentView] frame];
22    scoped_nsobject<HoverImageButton> button(
23        [[HoverImageButton alloc] initWithFrame:content_frame]);
24    button_ = button.get();
25    [[test_window() contentView] addSubview:button_];
26  }
27
28  virtual void SetUp() {
29    CocoaTest::BootstrapCocoa();
30  }
31
32  HoverImageButton* button_;
33};
34
35// Test mouse events.
36TEST_F(HoverImageButtonTest, ImageSwap) {
37  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
38  NSImage* image = rb.GetNativeImageNamed(IDR_HOME);
39  NSImage* hover = rb.GetNativeImageNamed(IDR_BACK);
40  [button_ setDefaultImage:image];
41  [button_ setHoverImage:hover];
42
43  [button_ mouseEntered:nil];
44  [button_ drawRect:[button_ frame]];
45  EXPECT_EQ([button_ image], hover);
46  [button_ mouseExited:nil];
47  [button_ drawRect:[button_ frame]];
48  EXPECT_EQ([button_ image], image);
49}
50
51// Test mouse events.
52TEST_F(HoverImageButtonTest, Opacity) {
53  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
54  NSImage* image = rb.GetNativeImageNamed(IDR_HOME);
55  [button_ setDefaultImage:image];
56  [button_ setDefaultOpacity:0.5];
57  [button_ setHoverImage:image];
58  [button_ setHoverOpacity:1.0];
59
60  [button_ mouseEntered:nil];
61  [button_ drawRect:[button_ frame]];
62  EXPECT_EQ([button_ alphaValue], 1.0);
63  [button_ mouseExited:nil];
64  [button_ drawRect:[button_ frame]];
65  EXPECT_EQ([button_ alphaValue], 0.5);
66}
67
68}  // namespace
69