image_utils_unittest.cc 1020 B

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  1. // Copyright 2015 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "courgette/image_utils.h"
  5. #include <stdint.h>
  6. #include "testing/gtest/include/gtest/gtest.h"
  7. namespace courgette {
  8. namespace {
  9. TEST(ImageUtilsTest, Read) {
  10. uint8_t test_data[] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 00};
  11. EXPECT_EQ(0x2301U, Read16LittleEndian(test_data));
  12. EXPECT_EQ(0x67452301U, Read32LittleEndian(test_data));
  13. EXPECT_EQ(0xEFCDAB8967452301ULL, Read64LittleEndian(test_data));
  14. // These will break big-endian architectures, which we don't yet support.
  15. EXPECT_EQ(0x2301U, ReadU16(test_data, 0));
  16. EXPECT_EQ(0x4523U, ReadU16(test_data, 1));
  17. EXPECT_EQ(0x67452301U, ReadU32(test_data, 0));
  18. EXPECT_EQ(0x89674523U, ReadU32(test_data, 1));
  19. EXPECT_EQ(0xEFCDAB8967452301ULL, ReadU64(test_data, 0));
  20. EXPECT_EQ(0x00EFCDAB89674523ULL, ReadU64(test_data, 1));
  21. }
  22. } // namespace
  23. } // namespace courgette