chrome/browser/ui/tests/ui_gfx_image_unittest.mm

   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 <AppKit/AppKit.h>
   6
   7 #import "base/mac/mac_util.h"
   8 #include "base/mac/scoped_nsobject.h"
   9 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "third_party/skia/include/core/SkBitmap.h"
  12 #include "ui/gfx/image/image.h"
  13 #include "ui/gfx/image/image_unittest_util.h"
  14
  15 namespace {
  16
  17 class UiGfxImageTest : public CocoaTest {
  18 };
  19
  20 // http://crbug.com/247379
  21 TEST_F(UiGfxImageTest, DISABLED_CheckColor) {
  22   // TODO(kbr): re-enable: http://crbug.com/222296
  23   if (base::mac::IsOSMountainLionOrLater())
  24     return;
  25
  26   gfx::Image image = gfx::Image::CreateFrom1xBitmap(
  27       gfx::test::CreateBitmap(25, 25));
  28   NSImage* ns_image = image.ToNSImage();
  29   [ns_image lockFocus];
  30   NSColor* color = NSReadPixel(NSMakePoint(10, 10));
  31   [ns_image unlockFocus];
  32
  33   // SkBitmapToNSImage returns a bitmap in the calibrated color space (sRGB),
  34   // while NSReadPixel returns a color in the device color space. Convert back
  35   // to the calibrated color space before testing.
  36   color = [color colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
  37
  38   CGFloat components[4] = { 0 };
  39   [color getComponents:components];
  40
  41   EXPECT_LT(components[0], 0.05);
  42   EXPECT_GT(components[1], 0.95);
  43   EXPECT_LT(components[2], 0.05);
  44   EXPECT_GT(components[3], 0.95);
  45 }
  46
  47 TEST_F(UiGfxImageTest, ImageView) {
  48   base::scoped_nsobject<NSImageView> image_view(
  49       [[NSImageView alloc] initWithFrame:NSMakeRect(10, 10, 25, 25)]);
  50   [[test_window() contentView] addSubview:image_view];
  51   [test_window() orderFront:nil];
  52
  53   gfx::Image image = gfx::Image::CreateFrom1xBitmap(
  54       gfx::test::CreateBitmap(25, 25));
  55   [image_view setImage:image.ToNSImage()];
  56 }
  57
  58 }  // namespace