chromium/third_party/libjpeg_turbo/gtest/cjpeg-gtest-wrapper.cpp

/*
 * Copyright 2020 The Chromium Authors. All Rights Reserved.
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/path_service.h"
#include "gtest-utils.h"

#include <gtest/gtest.h>
#include <string>

extern "C" int cjpeg(int argc, char *argv[]);

TEST(CJPEGTest, RGBISlow) { … }

TEST(CJPEGTest, IFastOpt422) { … }

TEST(CJPEGTest, IFastProg420Q100) { … }

TEST(CJPEGTest, GrayISlow) { … }

TEST(CJPEGTest, IFastOpt420S) { … }

TEST(CJPEGTest, FloatProg3x2) { … }

TEST(CJPEGTest, IFastProg3x2) { … }

#ifdef C_ARITH_CODING_SUPPORTED
TEST(CJPEGTest, ISlowAri420) {

  base::FilePath input_image_path;
  GetTestFilePath(&input_image_path, "testorig.ppm");
  base::FilePath output_path(GetTargetDirectory());
  output_path = output_path.AppendASCII("testout_420_islow_ari.jpg");

  std::string prog_name = "cjpeg";
  std::string arg1 = "-dct";
  std::string arg2 = "int";
  std::string arg3 = "-arithmetic";
  std::string arg4 = "-outfile";
  std::string arg5 = output_path.MaybeAsASCII();
  std::string arg6 = input_image_path.MaybeAsASCII();

  char *command_line[] = { &prog_name[0],
                           &arg1[0], &arg2[0], &arg3[0], &arg4[0], &arg5[0],
                           &arg6[0]
                         };
  // Generate test image file.
  EXPECT_EQ(cjpeg(7, command_line), 0);

  // Compare expected MD5 sum against that of test image.
  const std::string EXPECTED_MD5 = "e986fb0a637a8d833d96e8a6d6d84ea1";
  EXPECT_TRUE(CompareFileAndMD5(output_path, EXPECTED_MD5));
}

TEST(CJPEGTest, ISlowProgAri444) {

  base::FilePath input_image_path;
  GetTestFilePath(&input_image_path, "testorig.ppm");
  base::FilePath output_path(GetTargetDirectory());
  output_path = output_path.AppendASCII("testout_444_islow_progari.jpg");

  std::string prog_name = "cjpeg";
  std::string arg1 = "-sample";
  std::string arg2 = "1x1";
  std::string arg3 = "-dct";
  std::string arg4 = "int";
  std::string arg5 = "-prog";
  std::string arg6 = "-arithmetic";
  std::string arg7 = "-outfile";
  std::string arg8 = output_path.MaybeAsASCII();
  std::string arg9 = input_image_path.MaybeAsASCII();

  char *command_line[] = { &prog_name[0],
                           &arg1[0], &arg2[0], &arg3[0], &arg4[0], &arg5[0],
                           &arg6[0], &arg7[0], &arg8[0], &arg9[0]
                         };
  // Generate test image file.
  EXPECT_EQ(cjpeg(10, command_line), 0);

  // Compare expected MD5 sum against that of test image.
  const std::string EXPECTED_MD5 = "0a8f1c8f66e113c3cf635df0a475a617";
  EXPECT_TRUE(CompareFileAndMD5(output_path, EXPECTED_MD5));
}

TEST(CJPEGTest, ISlowAri444) {

  base::FilePath input_image_path;
  GetTestFilePath(&input_image_path, "testorig.ppm");
  base::FilePath output_path(GetTargetDirectory());
  output_path = output_path.AppendASCII("testout_444_islow_ari.jpg");

  std::string prog_name = "cjpeg";
  std::string arg1 = "-dct";
  std::string arg2 = "int";
  std::string arg3 = "-arithmetic";
  std::string arg4 = "-sample";
  std::string arg5 = "1x1";
  std::string arg6 = "-outfile";
  std::string arg7 = output_path.MaybeAsASCII();
  std::string arg8 = input_image_path.MaybeAsASCII();

  char *command_line[] = { &prog_name[0],
                           &arg1[0], &arg2[0], &arg3[0], &arg4[0], &arg5[0],
                           &arg6[0], &arg7[0], &arg8[0]
                         };
  // Generate test image file.
  EXPECT_EQ(cjpeg(9, command_line), 0);

  // Compare expected MD5 sum against that of test image.
  const std::string EXPECTED_MD5 = "dd1b827fc504feb0259894e7132585b4";
  EXPECT_TRUE(CompareFileAndMD5(output_path, EXPECTED_MD5));
}
#endif

TEST(CJPEGTest, ISlowProg420) { … }

TEST(CJPEGTest, ISlow444) { … }

TEST(CJPEGTest, ISlowProg444) { … }