SPIRV-Tools/test/FixWord.cpp

63 lines
1.9 KiB
C++

// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "UnitSPIRV.h"
namespace {
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));
}
TEST(FixDoubleWord, Default) {
spv_endianness_t endian =
(I32_ENDIAN_HOST == I32_ENDIAN_LITTLE ? SPV_ENDIANNESS_LITTLE
: SPV_ENDIANNESS_BIG);
uint32_t low = 0x53780921;
uint32_t high = 0xdeadbeef;
uint64_t result = 0xdeadbeef53780921;
ASSERT_EQ(result, spvFixDoubleWord(low, high, endian));
}
TEST(FixDoubleWord, Reorder) {
spv_endianness_t endian =
(I32_ENDIAN_HOST == I32_ENDIAN_LITTLE ? SPV_ENDIANNESS_BIG
: SPV_ENDIANNESS_LITTLE);
uint32_t low = 0x53780921;
uint32_t high = 0xdeadbeef;
uint64_t result = 0xefbeadde21097853;
ASSERT_EQ(result, spvFixDoubleWord(low, high, endian));
}
} // anonymous namespace