third_party/WebKit/Source/platform/exported/WebImageTest.cpp

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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#include "public/platform/WebImage.h"

#include "platform/SharedBuffer.h"
#include "platform/testing/UnitTestHelpers.h"
#include "public/platform/WebData.h"
#include "public/platform/WebSize.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace blink {

static scoped_refptr<SharedBuffer> ReadFile(const char* file_name) {
  String file_path = testing::CoreTestDataPath(file_name);

  return testing::ReadFromFile(file_path);
}

TEST(WebImageTest, PNGImage) {
  scoped_refptr<SharedBuffer> data = ReadFile("white-1x1.png");
  ASSERT_TRUE(data.get());

  WebImage image = WebImage::FromData(WebData(data), WebSize());
  EXPECT_TRUE(image.Size() == WebSize(1, 1));
  EXPECT_EQ(SkColorSetARGB(255, 255, 255, 255),
            image.GetSkBitmap().getColor(0, 0));
}

TEST(WebImageTest, ICOImage) {
  scoped_refptr<SharedBuffer> data = ReadFile("black-and-white.ico");
  ASSERT_TRUE(data.get());

  WebVector<WebImage> images = WebImage::FramesFromData(WebData(data));
  ASSERT_EQ(2u, images.size());
  EXPECT_TRUE(images[0].Size() == WebSize(2, 2));
  EXPECT_TRUE(images[1].Size() == WebSize(1, 1));
  EXPECT_EQ(SkColorSetARGB(255, 255, 255, 255),
            images[0].GetSkBitmap().getColor(0, 0));
  EXPECT_EQ(SkColorSetARGB(255, 0, 0, 0),
            images[1].GetSkBitmap().getColor(0, 0));
}

TEST(WebImageTest, ICOValidHeaderMissingBitmap) {
  scoped_refptr<SharedBuffer> data =
      ReadFile("valid_header_missing_bitmap.ico");
  ASSERT_TRUE(data.get());

  WebVector<WebImage> images = WebImage::FramesFromData(WebData(data));
  ASSERT_TRUE(images.IsEmpty());
}

TEST(WebImageTest, BadImage) {
  const char kBadImage[] = "hello world";
  WebVector<WebImage> images = WebImage::FramesFromData(WebData(kBadImage));
  ASSERT_EQ(0u, images.size());

  WebImage image = WebImage::FromData(WebData(kBadImage), WebSize());
  EXPECT_TRUE(image.GetSkBitmap().empty());
  EXPECT_TRUE(image.GetSkBitmap().isNull());
}

}  // namespace blink