Move gif image decoder to SkCodec

third_party/WebKit/Source/platform/image-decoders/gif/GIFImageDecoderTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 41 matching lines @@
                           ImageDecoder::noDecodedImageByteLimit));
 }
 
 void testRepetitionCount(const char* dir,
                          const char* file,
                          int expectedRepetitionCount) {
   std::unique_ptr<ImageDecoder> decoder = createDecoder();
   RefPtr<SharedBuffer> data = readFile(dir, file);
   ASSERT_TRUE(data.get());
   decoder->setData(data.get(), true);
-  EXPECT_EQ(cAnimationLoopOnce,
-            decoder->repetitionCount());  // Default value before decode.
-
-  for (size_t i = 0; i < decoder->frameCount(); ++i) {
-    ImageFrame* frame = decoder->frameBufferAtIndex(i);
-    EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
-  }
-
-  EXPECT_EQ(expectedRepetitionCount,
-            decoder->repetitionCount());  // Expected value after decode.
+  EXPECT_EQ(expectedRepetitionCount, decoder->repetitionCount());
 }
 
 }  // anonymous namespace
 
 TEST(GIFImageDecoderTest, decodeTwoFrames) {
   std::unique_ptr<ImageDecoder> decoder = createDecoder();
 
   RefPtr<SharedBuffer> data = readFile(layoutTestResourcesDir, "animated.gif");
   ASSERT_TRUE(data.get());
   decoder->setData(data.get(), true);
-  EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount());
 
   ImageFrame* frame = decoder->frameBufferAtIndex(0);
   uint32_t generationID0 = frame->bitmap().getGenerationID();
   EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
   EXPECT_EQ(16, frame->bitmap().width());
   EXPECT_EQ(16, frame->bitmap().height());
 
   frame = decoder->frameBufferAtIndex(1);
   uint32_t generationID1 = frame->bitmap().getGenerationID();
   EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
   EXPECT_EQ(16, frame->bitmap().width());
   EXPECT_EQ(16, frame->bitmap().height());
   EXPECT_TRUE(generationID0 != generationID1);
 
   EXPECT_EQ(2u, decoder->frameCount());
   EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount());
 }
 
 TEST(GIFImageDecoderTest, parseAndDecode) {
   std::unique_ptr<ImageDecoder> decoder = createDecoder();
 
   RefPtr<SharedBuffer> data = readFile(layoutTestResourcesDir, "animated.gif");
   ASSERT_TRUE(data.get());
   decoder->setData(data.get(), true);
-  EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount());
-
-  // This call will parse the entire file.
-  EXPECT_EQ(2u, decoder->frameCount());
 
   ImageFrame* frame = decoder->frameBufferAtIndex(0);
   EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
   EXPECT_EQ(16, frame->bitmap().width());
   EXPECT_EQ(16, frame->bitmap().height());
 
   frame = decoder->frameBufferAtIndex(1);
   EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
   EXPECT_EQ(16, frame->bitmap().width());
   EXPECT_EQ(16, frame->bitmap().height());
@@ skipping 179 matching lines @@
   RefPtr<SharedBuffer> testData = readFile(decodersTestingDir, "bad-code.gif");
   ASSERT_TRUE(testData.get());
 
   std::unique_ptr<ImageDecoder> testDecoder = createDecoder();
   testDecoder->setData(testData.get(), true);
   EXPECT_EQ(1u, testDecoder->frameCount());
   ASSERT_TRUE(testDecoder->frameBufferAtIndex(0));
   EXPECT_TRUE(testDecoder->failed());
 }
 
-TEST(GIFImageDecoderTest, invalidDisposalMethod) {
-  std::unique_ptr<ImageDecoder> decoder = createDecoder();
-
-  // The image has 2 frames, with disposal method 4 and 5, respectively.
-  RefPtr<SharedBuffer> data =
-      readFile(decodersTestingDir, "invalid-disposal-method.gif");
-  ASSERT_TRUE(data.get());
-  decoder->setData(data.get(), true);
-
-  EXPECT_EQ(2u, decoder->frameCount());
-  // Disposal method 4 is converted to ImageFrame::DisposeOverwritePrevious.
-  EXPECT_EQ(ImageFrame::DisposeOverwritePrevious,
-            decoder->frameBufferAtIndex(0)->getDisposalMethod());
-  // Disposal method 5 is ignored.
-  EXPECT_EQ(ImageFrame::DisposeNotSpecified,
-            decoder->frameBufferAtIndex(1)->getDisposalMethod());
-}
-
 TEST(GIFImageDecoderTest, firstFrameHasGreaterSizeThanScreenSize) {
   RefPtr<SharedBuffer> fullData = readFile(
       decodersTestingDir, "first-frame-has-greater-size-than-screen-size.gif");
   ASSERT_TRUE(fullData.get());
 
   std::unique_ptr<ImageDecoder> decoder;
   IntSize frameSize;
 
   // Compute hashes when the file is truncated.
   for (size_t i = 1; i <= fullData->size(); ++i) {
@@ skipping 62 matching lines @@
   EXPECT_TRUE(premulFrame &&
               premulFrame->getStatus() == ImageFrame::FrameComplete);
   EXPECT_EQ(premulFrame->bitmap().alphaType(), kOpaque_SkAlphaType);
   unpremulFrame = unpremulDecoder->frameBufferAtIndex(0);
   EXPECT_TRUE(unpremulFrame &&
               unpremulFrame->getStatus() == ImageFrame::FrameComplete);
   EXPECT_EQ(unpremulFrame->bitmap().alphaType(), kOpaque_SkAlphaType);
 }
 
 }  // namespace blink