SPIRV-Tools/test/FixWord.cpp

// Copyright (c) 2015 The Khronos Group Inc.
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#include "UnitSPIRV.h"

TEST(FixWord, Default) {
  spv_endianness_t endian;
  if (I32_ENDIAN_HOST == I32_ENDIAN_LITTLE) {
    endian = SPV_ENDIANNESS_LITTLE;
  } else {
    endian = SPV_ENDIANNESS_BIG;
  }
  uint32_t word = 0x53780921;
  ASSERT_EQ(word, spvFixWord(word, endian));
}

TEST(FixWord, Reorder) {
  spv_endianness_t endian;
  if (I32_ENDIAN_HOST == I32_ENDIAN_LITTLE) {
    endian = SPV_ENDIANNESS_BIG;
  } else {
    endian = SPV_ENDIANNESS_LITTLE;
  }
  uint32_t word = 0x53780921;
  uint32_t result = 0x21097853;
  ASSERT_EQ(result, spvFixWord(word, endian));
}