courgette/image_utils_unittest.cc

   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
   5 #include "courgette/image_utils.h"
   6
   7 #include <stdint.h>
   8
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace courgette {
  12
  13 namespace {
  14
  15 TEST(ImageUtilsTest, Read) {
  16   uint8_t test_data[] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 00};
  17   EXPECT_EQ(0x2301U, Read16LittleEndian(test_data));
  18   EXPECT_EQ(0x67452301U, Read32LittleEndian(test_data));
  19   EXPECT_EQ(0xEFCDAB8967452301ULL, Read64LittleEndian(test_data));
  20
  21   // These will break big-endian architectures, which we don't yet support.
  22   EXPECT_EQ(0x2301U, ReadU16(test_data, 0));
  23   EXPECT_EQ(0x4523U, ReadU16(test_data, 1));
  24   EXPECT_EQ(0x67452301U, ReadU32(test_data, 0));
  25   EXPECT_EQ(0x89674523U, ReadU32(test_data, 1));
  26   EXPECT_EQ(0xEFCDAB8967452301ULL, ReadU64(test_data, 0));
  27   EXPECT_EQ(0x00EFCDAB89674523ULL, ReadU64(test_data, 1));
  28 }
  29
  30 }  // namespace
  31
  32 }  // namespace courgette