Roll skia to 8cc209111876b7c78b5ec577c9221d8ed5e21024

skia/ext/skia_utils_mac_unittest.mm

Index: skia/ext/skia_utils_mac_unittest.mm
diff --git a/skia/ext/skia_utils_mac_unittest.mm b/skia/ext/skia_utils_mac_unittest.mm
deleted file mode 100644
index 27c862bf2fa23e128676acc7a591add51b56be27..0000000000000000000000000000000000000000
--- a/skia/ext/skia_utils_mac_unittest.mm
+++ /dev/null
@@ -1,247 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "skia/ext/skia_utils_mac.h"
-
-#import <AppKit/AppKit.h>
-
-#include "base/mac/scoped_nsobject.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-
-namespace {
-
-class SkiaUtilsMacTest : public testing::Test {
- public:
-  // Creates a red or blue bitmap.
-  SkBitmap CreateSkBitmap(int width, int height, bool isred, bool tfbit);
-
-  // Creates a red or blue image.
-  NSImage* CreateNSImage(int width, int height, bool isred);
-
-  // Checks that the given bitmap rep is actually red or blue.
-  void TestImageRep(NSBitmapImageRep* imageRep, bool isred);
-
-  // Checks that the given bitmap is actually red or blue.
-  void TestSkBitmap(const SkBitmap& bitmap, bool isred);
-
-  enum BitLockerTest {
-    TestIdentity = 0,
-    TestTranslate = 1,
-    TestClip = 2,
-    TestXClip = TestTranslate | TestClip,
-    TestNoBits = 4,
-    TestTranslateNoBits = TestTranslate | TestNoBits,
-    TestClipNoBits = TestClip | TestNoBits,
-    TestXClipNoBits = TestXClip | TestNoBits,
-  };
-  void RunBitLockerTest(BitLockerTest test);
-
-  // If not red, is blue.
-  // If not tfbit (twenty-four-bit), is 444.
-  void ShapeHelper(int width, int height, bool isred, bool tfbit);
-};
-
-SkBitmap SkiaUtilsMacTest::CreateSkBitmap(int width, int height,
-                                          bool isred, bool tfbit) {
-  SkColorType ct = tfbit ? kN32_SkColorType : kARGB_4444_SkColorType;
-  SkImageInfo info = SkImageInfo::Make(width, height, ct, kPremul_SkAlphaType);
-
-  SkBitmap bitmap;
-  bitmap.allocPixels(info);
-
-  if (isred)
-    bitmap.eraseARGB(0xff, 0xff, 0, 0);
-  else
-    bitmap.eraseARGB(0xff, 0, 0, 0xff);
-
-  return bitmap;
-}
-
-NSImage* SkiaUtilsMacTest::CreateNSImage(int width, int height, bool isred) {
-  base::scoped_nsobject<NSImage> image(
-      [[NSImage alloc] initWithSize:NSMakeSize(width, height)]);
-  [image lockFocus];
-  if (isred)
-    [[NSColor colorWithDeviceRed:1.0 green:0.0 blue:0.0 alpha:1.0] set];
-  else
-    [[NSColor colorWithDeviceRed:0.0 green:0.0 blue:1.0 alpha:1.0] set];
-  NSRectFill(NSMakeRect(0, 0, width, height));
-  [image unlockFocus];
-  return [image.release() autorelease];
-}
-
-void SkiaUtilsMacTest::TestImageRep(NSBitmapImageRep* imageRep, bool isred) {
-  // Get the color of a pixel and make sure it looks fine
-  int x = [imageRep size].width > 17 ? 17 : 0;
-  int y = [imageRep size].height > 17 ? 17 : 0;
-  NSColor* color = [imageRep colorAtX:x y:y];
-  CGFloat red = 0, green = 0, blue = 0, alpha = 0;
-
-  // SkBitmapToNSImage returns a bitmap in the calibrated color space (sRGB),
-  // while NSReadPixel returns a color in the device color space. Convert back
-  // to the calibrated color space before testing.
-  color = [color colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
-
-  [color getRed:&red green:&green blue:&blue alpha:&alpha];
-
-  // Be tolerant of floating point rounding and lossy color space conversions.
-  if (isred) {
-    EXPECT_GT(red, 0.95);
-    EXPECT_LT(blue, 0.05);
-  } else {
-    EXPECT_LT(red, 0.05);
-    EXPECT_GT(blue, 0.95);
-  }
-  EXPECT_LT(green, 0.05);
-  EXPECT_GT(alpha, 0.95);
-}
-
-void SkiaUtilsMacTest::TestSkBitmap(const SkBitmap& bitmap, bool isred) {
-  int x = bitmap.width() > 17 ? 17 : 0;
-  int y = bitmap.height() > 17 ? 17 : 0;
-  SkColor color = bitmap.getColor(x, y);
-
-  if (isred) {
-    EXPECT_EQ(255u, SkColorGetR(color));
-    EXPECT_EQ(0u, SkColorGetB(color));
-  } else {
-    EXPECT_EQ(0u, SkColorGetR(color));
-    EXPECT_EQ(255u, SkColorGetB(color));
-  }
-  EXPECT_EQ(0u, SkColorGetG(color));
-  EXPECT_EQ(255u, SkColorGetA(color));
-}
-
-// setBitmapDevice has been deprecated/removed. Is this test still useful?
-void SkiaUtilsMacTest::RunBitLockerTest(BitLockerTest test) {
-  const unsigned width = 2;
-  const unsigned height = 2;
-  const unsigned storageSize = width * height;
-  const unsigned original[] = {0xFF333333, 0xFF666666, 0xFF999999, 0xFFCCCCCC};
-  EXPECT_EQ(storageSize, sizeof(original) / sizeof(original[0]));
-  unsigned bits[storageSize];
-  memcpy(bits, original, sizeof(original));
-  SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
-  SkBitmap bitmap;
-  bitmap.installPixels(info, bits, info.minRowBytes());
-
-  SkCanvas canvas(bitmap);
-  if (test & TestTranslate)
-    canvas.translate(width / 2, 0);
-  if (test & TestClip) {
-    SkRect clipRect = {0, height / 2, width, height};
-    canvas.clipRect(clipRect);
-  }
-  {
-    gfx::SkiaBitLocker bitLocker(&canvas);
-    CGContextRef cgContext = bitLocker.cgContext();
-    CGColorRef testColor = CGColorGetConstantColor(kCGColorWhite);
-    CGContextSetFillColorWithColor(cgContext, testColor);
-    CGRect cgRect = {{0, 0}, {width, height}};
-    CGContextFillRect(cgContext, cgRect);
-    if (test & TestNoBits) {
-      if (test & TestClip) {
-        SkRect clipRect = {0, height / 2, width, height};
-        canvas.clipRect(clipRect);
-      }
-    }
-  }
-  const unsigned results[][storageSize] = {
-    {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, // identity
-    {0xFF333333, 0xFFFFFFFF, 0xFF999999, 0xFFFFFFFF}, // translate
-    {0xFF333333, 0xFF666666, 0xFFFFFFFF, 0xFFFFFFFF}, // clip
-    {0xFF333333, 0xFF666666, 0xFF999999, 0xFFFFFFFF}  // translate | clip
-  };
-  for (unsigned index = 0; index < storageSize; index++)
-    EXPECT_EQ(results[test & ~TestNoBits][index], bits[index]);
-}
-
-void SkiaUtilsMacTest::ShapeHelper(int width, int height,
-                                   bool isred, bool tfbit) {
-  SkBitmap thing(CreateSkBitmap(width, height, isred, tfbit));
-
-  // Confirm size
-  NSImage* image = gfx::SkBitmapToNSImage(thing);
-  EXPECT_DOUBLE_EQ([image size].width, (double)width);
-  EXPECT_DOUBLE_EQ([image size].height, (double)height);
-
-  EXPECT_TRUE([[image representations] count] == 1);
-  EXPECT_TRUE([[[image representations] lastObject]
-      isKindOfClass:[NSBitmapImageRep class]]);
-  TestImageRep([[image representations] lastObject], isred);
-}
-
-TEST_F(SkiaUtilsMacTest, BitmapToNSImage_RedSquare64x64) {
-  ShapeHelper(64, 64, true, true);
-}
-
-TEST_F(SkiaUtilsMacTest, BitmapToNSImage_BlueRectangle199x19) {
-  ShapeHelper(199, 19, false, true);
-}
-
-TEST_F(SkiaUtilsMacTest, BitmapToNSImage_BlueRectangle444) {
-  ShapeHelper(200, 200, false, false);
-}
-
-TEST_F(SkiaUtilsMacTest, BitmapToNSBitmapImageRep_BlueRectangle20x30) {
-  int width = 20;
-  int height = 30;
-
-  SkBitmap bitmap(CreateSkBitmap(width, height, false, true));
-  NSBitmapImageRep* imageRep = gfx::SkBitmapToNSBitmapImageRep(bitmap);
-
-  EXPECT_DOUBLE_EQ(width, [imageRep size].width);
-  EXPECT_DOUBLE_EQ(height, [imageRep size].height);
-  TestImageRep(imageRep, false);
-}
-
-TEST_F(SkiaUtilsMacTest, NSImageRepToSkBitmap) {
-  int width = 10;
-  int height = 15;
-  bool isred = true;
-
-  NSImage* image = CreateNSImage(width, height, isred);
-  EXPECT_EQ(1u, [[image representations] count]);
-  NSBitmapImageRep* imageRep = [[image representations] lastObject];
-  NSColorSpace* colorSpace = [NSColorSpace deviceRGBColorSpace];
-  SkBitmap bitmap(gfx::NSImageRepToSkBitmapWithColorSpace(
-      imageRep, [image size], false, [colorSpace CGColorSpace]));
-  TestSkBitmap(bitmap, isred);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_Identity) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestIdentity);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_Translate) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestTranslate);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_Clip) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestClip);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_XClip) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestXClip);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_NoBits) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestNoBits);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_TranslateNoBits) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestTranslateNoBits);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_ClipNoBits) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestClipNoBits);
-}
-
-TEST_F(SkiaUtilsMacTest, BitLocker_XClipNoBits) {
-  RunBitLockerTest(SkiaUtilsMacTest::TestXClipNoBits);
-}
-
-}  // namespace
-