third_party/blink/renderer/platform/exported/web_image_test.cc

/*
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#include "third_party/blink/public/platform/web_image.h"

#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_data.h"
#include "third_party/blink/public/platform/web_size.h"
#include "third_party/blink/renderer/platform/shared_buffer.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"

namespace blink {

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

  return test::ReadFromFile(file_path);
}

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

  SkBitmap image = WebImage::FromData(WebData(data), WebSize());
  EXPECT_EQ(image.width(), 1);
  EXPECT_EQ(image.height(), 1);
  EXPECT_EQ(SkColorSetARGB(255, 255, 255, 255), image.getColor(0, 0));
}

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

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

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

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

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

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

}  // namespace blink