Move image decoder unit tests to content_unittests

webkit/tools/test_shell/image_decoder_unittest.h

-// 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.
-
-#ifndef WEBKIT_TOOLS_TEST_SHELL_IMAGE_DECODER_UNITTEST_H_
-#define WEBKIT_TOOLS_TEST_SHELL_IMAGE_DECODER_UNITTEST_H_
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/files/file_path.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace WebKit { class WebImageDecoder; }
-
-// If CALCULATE_MD5_SUMS is not defined, then this test decodes a handful of
-// image files and compares their MD5 sums to the stored sums on disk.
-//
-// To recalculate the MD5 sums, uncommment CALCULATE_MD5_SUMS.
-//
-// The image files and corresponding MD5 sums live in the directory
-// chrome/test/data/*_decoder (where "*" is the format being tested).
-//
-// Note: The MD5 sums calculated in this test by little- and big-endian systems
-// will differ, since no endianness correction is done.  If we start compiling
-// for big endian machines this should be fixed.
-
-// #define CALCULATE_MD5_SUMS
-
-enum ImageDecoderTestFileSelection {
-  TEST_ALL,
-  TEST_SMALLER,
-  TEST_BIGGER,
-};
-
-// Returns the path the decoded data is saved at.
-base::FilePath GetMD5SumPath(const base::FilePath& path);
-
-class ImageDecoderTest : public testing::Test {
- public:
-  explicit ImageDecoderTest(const std::string& format) : format_(format) { }
-
- protected:
-  virtual void SetUp() OVERRIDE;
-
-  // Returns the vector of image files for testing.
-  std::vector<base::FilePath> GetImageFiles() const;
-
-  // Returns true if the image is bogus and should not be successfully decoded.
-  bool ShouldImageFail(const base::FilePath& path) const;
-
-  // Tests if decoder decodes image at image_path with underlying frame at
-  // index desired_frame_index. The md5_sum_path is needed if the test is not
-  // asked to generate one i.e. if # #define CALCULATE_MD5_SUMS is set.
-  void TestWebKitImageDecoder(const base::FilePath& image_path,
-    const base::FilePath& md5_sum_path, int desired_frame_index) const;
-
-  // Verifies each of the test image files is decoded correctly and matches the
-  // expected state. |file_selection| and |threshold| can be used to select
-  // files to test based on file size.
-  // If just the MD5 sum is wanted, this skips chunking.
-  void TestDecoding(ImageDecoderTestFileSelection file_selection,
-                    const int64 threshold);
-
-  void TestDecoding()  {
-    TestDecoding(TEST_ALL, 0);
-  }
-
-  // Creates WebKit API's decoder.
-  virtual WebKit::WebImageDecoder* CreateWebKitImageDecoder() const = 0;
-
-  // The format to be decoded, like "bmp" or "ico".
-  std::string format_;
-
- protected:
-  // Path to the test files.
-  base::FilePath data_dir_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ImageDecoderTest);
-};
-
-#endif  // WEBKIT_TOOLS_TEST_SHELL_IMAGE_DECODER_UNITTEST_H_