// Copyright (c) 2015 The Khronos Group Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
//
// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
//    https://www.khronos.org/registry/
//
// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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#include "UnitSPIRV.h"

namespace {

TEST(BinaryEndianness, InvalidCode) {
  uint32_t invalidMagicNumber[] = {0};
  spv_const_binary_t binary = {invalidMagicNumber, 1};
  spv_endianness_t endian;
  ASSERT_EQ(SPV_ERROR_INVALID_BINARY, spvBinaryEndianness(&binary, &endian));
}

TEST(BinaryEndianness, Little) {
  uint32_t magicNumber;
  if (I32_ENDIAN_HOST == I32_ENDIAN_LITTLE) {
    magicNumber = 0x07230203;
  } else {
    magicNumber = 0x03022307;
  }
  spv_const_binary_t binary = {&magicNumber, 1};
  spv_endianness_t endian;
  ASSERT_EQ(SPV_SUCCESS, spvBinaryEndianness(&binary, &endian));
  ASSERT_EQ(SPV_ENDIANNESS_LITTLE, endian);
}

TEST(BinaryEndianness, Big) {
  uint32_t magicNumber;
  if (I32_ENDIAN_HOST == I32_ENDIAN_BIG) {
    magicNumber = 0x07230203;
  } else {
    magicNumber = 0x03022307;
  }
  spv_const_binary_t binary = {&magicNumber, 1};
  spv_endianness_t endian;
  ASSERT_EQ(SPV_SUCCESS, spvBinaryEndianness(&binary, &endian));
  ASSERT_EQ(SPV_ENDIANNESS_BIG, endian);
}

}  // anonymous namespace