mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-23 21:01:08 +00:00
e57173377f
Differential Revision: https://phabricator.services.mozilla.com/D57038 --HG-- extra : moz-landing-system : lando
502 lines
20 KiB
C++
502 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/Assertions.h"
|
|
#include "mozilla/EndianUtils.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
using mozilla::BigEndian;
|
|
using mozilla::LittleEndian;
|
|
using mozilla::NativeEndian;
|
|
|
|
template <typename T>
|
|
void TestSingleSwap(T aValue, T aSwappedValue) {
|
|
#if MOZ_LITTLE_ENDIAN()
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapToBigEndian(aValue) == aSwappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapFromBigEndian(aValue) == aSwappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapToNetworkOrder(aValue) == aSwappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapFromNetworkOrder(aValue) ==
|
|
aSwappedValue);
|
|
#else
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapToLittleEndian(aValue) == aSwappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapFromLittleEndian(aValue) ==
|
|
aSwappedValue);
|
|
#endif
|
|
}
|
|
|
|
template <typename T>
|
|
void TestSingleNoSwap(T aValue, T aUnswappedValue) {
|
|
#if MOZ_LITTLE_ENDIAN()
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapToLittleEndian(aValue) ==
|
|
aUnswappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapFromLittleEndian(aValue) ==
|
|
aUnswappedValue);
|
|
#else
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapToBigEndian(aValue) == aUnswappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapFromBigEndian(aValue) ==
|
|
aUnswappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapToNetworkOrder(aValue) ==
|
|
aUnswappedValue);
|
|
MOZ_RELEASE_ASSERT(NativeEndian::swapFromNetworkOrder(aValue) ==
|
|
aUnswappedValue);
|
|
#endif
|
|
}
|
|
|
|
// EndianUtils.h functions are declared as protected in a base class and
|
|
// then re-exported as public in public derived classes. The
|
|
// standardese around explicit instantiation of templates is not clear
|
|
// in such cases. Provide these wrappers to make things more explicit.
|
|
// For your own enlightenment, you may wish to peruse:
|
|
// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56152 and subsequently
|
|
// http://j.mp/XosS6S .
|
|
#define WRAP_COPYTO(NAME) \
|
|
template <typename T> \
|
|
void NAME(void* aDst, const T* aSrc, size_t aCount) { \
|
|
NativeEndian::NAME<T>(aDst, aSrc, aCount); \
|
|
}
|
|
|
|
WRAP_COPYTO(copyAndSwapToLittleEndian)
|
|
WRAP_COPYTO(copyAndSwapToBigEndian)
|
|
WRAP_COPYTO(copyAndSwapToNetworkOrder)
|
|
|
|
#define WRAP_COPYFROM(NAME) \
|
|
template <typename T> \
|
|
void NAME(T* aDst, const void* aSrc, size_t aCount) { \
|
|
NativeEndian::NAME<T>(aDst, aSrc, aCount); \
|
|
}
|
|
|
|
WRAP_COPYFROM(copyAndSwapFromLittleEndian)
|
|
WRAP_COPYFROM(copyAndSwapFromBigEndian)
|
|
WRAP_COPYFROM(copyAndSwapFromNetworkOrder)
|
|
|
|
#define WRAP_IN_PLACE(NAME) \
|
|
template <typename T> \
|
|
void NAME(T* aP, size_t aCount) { \
|
|
NativeEndian::NAME<T>(aP, aCount); \
|
|
}
|
|
WRAP_IN_PLACE(swapToLittleEndianInPlace)
|
|
WRAP_IN_PLACE(swapFromLittleEndianInPlace)
|
|
WRAP_IN_PLACE(swapToBigEndianInPlace)
|
|
WRAP_IN_PLACE(swapFromBigEndianInPlace)
|
|
WRAP_IN_PLACE(swapToNetworkOrderInPlace)
|
|
WRAP_IN_PLACE(swapFromNetworkOrderInPlace)
|
|
|
|
enum SwapExpectation { Swap, NoSwap };
|
|
|
|
template <typename T, size_t Count>
|
|
void TestBulkSwapToSub(enum SwapExpectation aExpectSwap,
|
|
const T (&aValues)[Count],
|
|
void (*aSwapperFunc)(void*, const T*, size_t),
|
|
T (*aReaderFunc)(const void*)) {
|
|
const size_t arraySize = 2 * Count;
|
|
const size_t bufferSize = arraySize * sizeof(T);
|
|
static uint8_t buffer[bufferSize];
|
|
const uint8_t fillValue = 0xa5;
|
|
static uint8_t checkBuffer[bufferSize];
|
|
|
|
MOZ_RELEASE_ASSERT(bufferSize > 2 * sizeof(T));
|
|
|
|
memset(checkBuffer, fillValue, bufferSize);
|
|
|
|
for (size_t startPosition = 0; startPosition < sizeof(T); ++startPosition) {
|
|
for (size_t nValues = 0; nValues < Count; ++nValues) {
|
|
memset(buffer, fillValue, bufferSize);
|
|
aSwapperFunc(buffer + startPosition, aValues, nValues);
|
|
|
|
MOZ_RELEASE_ASSERT(memcmp(buffer, checkBuffer, startPosition) == 0);
|
|
size_t valuesEndPosition = startPosition + sizeof(T) * nValues;
|
|
MOZ_RELEASE_ASSERT(memcmp(buffer + valuesEndPosition,
|
|
checkBuffer + valuesEndPosition,
|
|
bufferSize - valuesEndPosition) == 0);
|
|
if (aExpectSwap == NoSwap) {
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(buffer + startPosition, aValues, nValues * sizeof(T)) == 0);
|
|
}
|
|
for (size_t i = 0; i < nValues; ++i) {
|
|
MOZ_RELEASE_ASSERT(
|
|
aReaderFunc(buffer + startPosition + sizeof(T) * i) == aValues[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
template <typename T, size_t Count>
|
|
void TestBulkSwapFromSub(enum SwapExpectation aExpectSwap,
|
|
const T (&aValues)[Count],
|
|
void (*aSwapperFunc)(T*, const void*, size_t),
|
|
T (*aReaderFunc)(const void*)) {
|
|
const size_t arraySize = 2 * Count;
|
|
const size_t bufferSize = arraySize * sizeof(T);
|
|
static T buffer[arraySize];
|
|
const uint8_t fillValue = 0xa5;
|
|
static T checkBuffer[arraySize];
|
|
|
|
memset(checkBuffer, fillValue, bufferSize);
|
|
|
|
for (size_t startPosition = 0; startPosition < Count; ++startPosition) {
|
|
for (size_t nValues = 0; nValues < (Count - startPosition); ++nValues) {
|
|
memset(buffer, fillValue, bufferSize);
|
|
aSwapperFunc(buffer + startPosition, aValues, nValues);
|
|
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(buffer, checkBuffer, startPosition * sizeof(T)) == 0);
|
|
size_t valuesEndPosition = startPosition + nValues;
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(buffer + valuesEndPosition, checkBuffer + valuesEndPosition,
|
|
(arraySize - valuesEndPosition) * sizeof(T)) == 0);
|
|
if (aExpectSwap == NoSwap) {
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(buffer + startPosition, aValues, nValues * sizeof(T)) == 0);
|
|
}
|
|
for (size_t i = 0; i < nValues; ++i) {
|
|
MOZ_RELEASE_ASSERT(aReaderFunc(buffer + startPosition + i) ==
|
|
aValues[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
template <typename T, size_t Count>
|
|
void TestBulkInPlaceSub(enum SwapExpectation aExpectSwap,
|
|
const T (&aValues)[Count],
|
|
void (*aSwapperFunc)(T*, size_t),
|
|
T (*aReaderFunc)(const void*)) {
|
|
const size_t bufferCount = 4 * Count;
|
|
const size_t bufferSize = bufferCount * sizeof(T);
|
|
static T buffer[bufferCount];
|
|
const T fillValue = 0xa5;
|
|
static T checkBuffer[bufferCount];
|
|
|
|
MOZ_RELEASE_ASSERT(bufferSize > 2 * sizeof(T));
|
|
|
|
memset(checkBuffer, fillValue, bufferSize);
|
|
|
|
for (size_t startPosition = 0; startPosition < Count; ++startPosition) {
|
|
for (size_t nValues = 0; nValues < Count; ++nValues) {
|
|
memset(buffer, fillValue, bufferSize);
|
|
memcpy(buffer + startPosition, aValues, nValues * sizeof(T));
|
|
aSwapperFunc(buffer + startPosition, nValues);
|
|
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(buffer, checkBuffer, startPosition * sizeof(T)) == 0);
|
|
size_t valuesEndPosition = startPosition + nValues;
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(buffer + valuesEndPosition, checkBuffer + valuesEndPosition,
|
|
bufferSize - valuesEndPosition * sizeof(T)) == 0);
|
|
if (aExpectSwap == NoSwap) {
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(buffer + startPosition, aValues, nValues * sizeof(T)) == 0);
|
|
}
|
|
for (size_t i = 0; i < nValues; ++i) {
|
|
MOZ_RELEASE_ASSERT(aReaderFunc(buffer + startPosition + i) ==
|
|
aValues[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
struct Reader {};
|
|
|
|
#define SPECIALIZE_READER(TYPE, READ_FUNC) \
|
|
template <> \
|
|
struct Reader<TYPE> { \
|
|
static TYPE readLE(const void* aP) { return LittleEndian::READ_FUNC(aP); } \
|
|
static TYPE readBE(const void* aP) { return BigEndian::READ_FUNC(aP); } \
|
|
};
|
|
|
|
SPECIALIZE_READER(uint16_t, readUint16)
|
|
SPECIALIZE_READER(uint32_t, readUint32)
|
|
SPECIALIZE_READER(uint64_t, readUint64)
|
|
SPECIALIZE_READER(int16_t, readInt16)
|
|
SPECIALIZE_READER(int32_t, readInt32)
|
|
SPECIALIZE_READER(int64_t, readInt64)
|
|
|
|
template <typename T, size_t Count>
|
|
void TestBulkSwap(const T (&aBytes)[Count]) {
|
|
#if MOZ_LITTLE_ENDIAN()
|
|
TestBulkSwapToSub(Swap, aBytes, copyAndSwapToBigEndian<T>, Reader<T>::readBE);
|
|
TestBulkSwapFromSub(Swap, aBytes, copyAndSwapFromBigEndian<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkSwapToSub(Swap, aBytes, copyAndSwapToNetworkOrder<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkSwapFromSub(Swap, aBytes, copyAndSwapFromNetworkOrder<T>,
|
|
Reader<T>::readBE);
|
|
#else
|
|
TestBulkSwapToSub(Swap, aBytes, copyAndSwapToLittleEndian<T>,
|
|
Reader<T>::readLE);
|
|
TestBulkSwapFromSub(Swap, aBytes, copyAndSwapFromLittleEndian<T>,
|
|
Reader<T>::readLE);
|
|
#endif
|
|
}
|
|
|
|
template <typename T, size_t Count>
|
|
void TestBulkNoSwap(const T (&aBytes)[Count]) {
|
|
#if MOZ_LITTLE_ENDIAN()
|
|
TestBulkSwapToSub(NoSwap, aBytes, copyAndSwapToLittleEndian<T>,
|
|
Reader<T>::readLE);
|
|
TestBulkSwapFromSub(NoSwap, aBytes, copyAndSwapFromLittleEndian<T>,
|
|
Reader<T>::readLE);
|
|
#else
|
|
TestBulkSwapToSub(NoSwap, aBytes, copyAndSwapToBigEndian<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkSwapFromSub(NoSwap, aBytes, copyAndSwapFromBigEndian<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkSwapToSub(NoSwap, aBytes, copyAndSwapToNetworkOrder<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkSwapFromSub(NoSwap, aBytes, copyAndSwapFromNetworkOrder<T>,
|
|
Reader<T>::readBE);
|
|
#endif
|
|
}
|
|
|
|
template <typename T, size_t Count>
|
|
void TestBulkInPlaceSwap(const T (&aBytes)[Count]) {
|
|
#if MOZ_LITTLE_ENDIAN()
|
|
TestBulkInPlaceSub(Swap, aBytes, swapToBigEndianInPlace<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkInPlaceSub(Swap, aBytes, swapFromBigEndianInPlace<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkInPlaceSub(Swap, aBytes, swapToNetworkOrderInPlace<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkInPlaceSub(Swap, aBytes, swapFromNetworkOrderInPlace<T>,
|
|
Reader<T>::readBE);
|
|
#else
|
|
TestBulkInPlaceSub(Swap, aBytes, swapToLittleEndianInPlace<T>,
|
|
Reader<T>::readLE);
|
|
TestBulkInPlaceSub(Swap, aBytes, swapFromLittleEndianInPlace<T>,
|
|
Reader<T>::readLE);
|
|
#endif
|
|
}
|
|
|
|
template <typename T, size_t Count>
|
|
void TestBulkInPlaceNoSwap(const T (&aBytes)[Count]) {
|
|
#if MOZ_LITTLE_ENDIAN()
|
|
TestBulkInPlaceSub(NoSwap, aBytes, swapToLittleEndianInPlace<T>,
|
|
Reader<T>::readLE);
|
|
TestBulkInPlaceSub(NoSwap, aBytes, swapFromLittleEndianInPlace<T>,
|
|
Reader<T>::readLE);
|
|
#else
|
|
TestBulkInPlaceSub(NoSwap, aBytes, swapToBigEndianInPlace<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkInPlaceSub(NoSwap, aBytes, swapFromBigEndianInPlace<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkInPlaceSub(NoSwap, aBytes, swapToNetworkOrderInPlace<T>,
|
|
Reader<T>::readBE);
|
|
TestBulkInPlaceSub(NoSwap, aBytes, swapFromNetworkOrderInPlace<T>,
|
|
Reader<T>::readBE);
|
|
#endif
|
|
}
|
|
|
|
int main() {
|
|
static const uint8_t unsigned_bytes[16] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
|
|
0x07, 0x08, 0x01, 0x02, 0x03, 0x04,
|
|
0x05, 0x06, 0x07, 0x08};
|
|
static const int8_t signed_bytes[16] = {
|
|
-0x0f, -0x0e, -0x0d, -0x0c, -0x0b, -0x0a, -0x09, -0x08,
|
|
-0x0f, -0x0e, -0x0d, -0x0c, -0x0b, -0x0a, -0x09, -0x08};
|
|
static const uint16_t uint16_values[8] = {0x0102, 0x0304, 0x0506, 0x0708,
|
|
0x0102, 0x0304, 0x0506, 0x0708};
|
|
static const int16_t int16_values[8] = {
|
|
int16_t(0xf1f2), int16_t(0xf3f4), int16_t(0xf5f6), int16_t(0xf7f8),
|
|
int16_t(0xf1f2), int16_t(0xf3f4), int16_t(0xf5f6), int16_t(0xf7f8)};
|
|
static const uint32_t uint32_values[4] = {0x01020304, 0x05060708, 0x01020304,
|
|
0x05060708};
|
|
static const int32_t int32_values[4] = {
|
|
int32_t(0xf1f2f3f4), int32_t(0xf5f6f7f8), int32_t(0xf1f2f3f4),
|
|
int32_t(0xf5f6f7f8)};
|
|
static const uint64_t uint64_values[2] = {0x0102030405060708,
|
|
0x0102030405060708};
|
|
static const int64_t int64_values[2] = {int64_t(0xf1f2f3f4f5f6f7f8),
|
|
int64_t(0xf1f2f3f4f5f6f7f8)};
|
|
uint8_t buffer[8];
|
|
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUint16(&unsigned_bytes[0]) == 0x0201);
|
|
MOZ_RELEASE_ASSERT(BigEndian::readUint16(&unsigned_bytes[0]) == 0x0102);
|
|
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUint32(&unsigned_bytes[0]) ==
|
|
0x04030201U);
|
|
MOZ_RELEASE_ASSERT(BigEndian::readUint32(&unsigned_bytes[0]) == 0x01020304U);
|
|
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUint64(&unsigned_bytes[0]) ==
|
|
0x0807060504030201ULL);
|
|
MOZ_RELEASE_ASSERT(BigEndian::readUint64(&unsigned_bytes[0]) ==
|
|
0x0102030405060708ULL);
|
|
|
|
if (sizeof(uintptr_t) == 8) {
|
|
// MSVC warning C4309 is "'static_cast': truncation of constant value" and
|
|
// will hit for the literal casts below in 32-bit builds -- in dead code,
|
|
// because only the other arm of this |if| runs. Turn off the warning for
|
|
// these two uses in dead code.
|
|
#ifdef _MSC_VER
|
|
# pragma warning(push)
|
|
# pragma warning(disable : 4309)
|
|
#endif
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUintptr(&unsigned_bytes[0]) ==
|
|
static_cast<uintptr_t>(0x0807060504030201ULL));
|
|
MOZ_RELEASE_ASSERT(BigEndian::readUintptr(&unsigned_bytes[0]) ==
|
|
static_cast<uintptr_t>(0x0102030405060708ULL));
|
|
#ifdef _MSC_VER
|
|
# pragma warning(pop)
|
|
#endif
|
|
} else {
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUintptr(&unsigned_bytes[0]) ==
|
|
0x04030201U);
|
|
MOZ_RELEASE_ASSERT(BigEndian::readUintptr(&unsigned_bytes[0]) ==
|
|
0x01020304U);
|
|
}
|
|
|
|
LittleEndian::writeUint16(&buffer[0], 0x0201);
|
|
MOZ_RELEASE_ASSERT(memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uint16_t)) ==
|
|
0);
|
|
BigEndian::writeUint16(&buffer[0], 0x0102);
|
|
MOZ_RELEASE_ASSERT(memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uint16_t)) ==
|
|
0);
|
|
|
|
LittleEndian::writeUint32(&buffer[0], 0x04030201U);
|
|
MOZ_RELEASE_ASSERT(memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uint32_t)) ==
|
|
0);
|
|
BigEndian::writeUint32(&buffer[0], 0x01020304U);
|
|
MOZ_RELEASE_ASSERT(memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uint32_t)) ==
|
|
0);
|
|
|
|
LittleEndian::writeUint64(&buffer[0], 0x0807060504030201ULL);
|
|
MOZ_RELEASE_ASSERT(memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uint64_t)) ==
|
|
0);
|
|
BigEndian::writeUint64(&buffer[0], 0x0102030405060708ULL);
|
|
MOZ_RELEASE_ASSERT(memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uint64_t)) ==
|
|
0);
|
|
|
|
memset(&buffer[0], 0xff, sizeof(buffer));
|
|
LittleEndian::writeUintptr(&buffer[0], uintptr_t(0x0807060504030201ULL));
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uintptr_t)) == 0);
|
|
if (sizeof(uintptr_t) == 4) {
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUint32(&buffer[4]) == 0xffffffffU);
|
|
}
|
|
|
|
memset(&buffer[0], 0xff, sizeof(buffer));
|
|
if (sizeof(uintptr_t) == 8) {
|
|
BigEndian::writeUintptr(&buffer[0], uintptr_t(0x0102030405060708ULL));
|
|
} else {
|
|
BigEndian::writeUintptr(&buffer[0], uintptr_t(0x01020304U));
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUint32(&buffer[4]) == 0xffffffffU);
|
|
}
|
|
MOZ_RELEASE_ASSERT(
|
|
memcmp(&unsigned_bytes[0], &buffer[0], sizeof(uintptr_t)) == 0);
|
|
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readInt16(&signed_bytes[0]) ==
|
|
int16_t(0xf2f1));
|
|
MOZ_RELEASE_ASSERT(BigEndian::readInt16(&signed_bytes[0]) == int16_t(0xf1f2));
|
|
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readInt32(&signed_bytes[0]) ==
|
|
int32_t(0xf4f3f2f1));
|
|
MOZ_RELEASE_ASSERT(BigEndian::readInt32(&signed_bytes[0]) ==
|
|
int32_t(0xf1f2f3f4));
|
|
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readInt64(&signed_bytes[0]) ==
|
|
int64_t(0xf8f7f6f5f4f3f2f1LL));
|
|
MOZ_RELEASE_ASSERT(BigEndian::readInt64(&signed_bytes[0]) ==
|
|
int64_t(0xf1f2f3f4f5f6f7f8LL));
|
|
|
|
if (sizeof(uintptr_t) == 8) {
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readIntptr(&signed_bytes[0]) ==
|
|
intptr_t(0xf8f7f6f5f4f3f2f1LL));
|
|
MOZ_RELEASE_ASSERT(BigEndian::readIntptr(&signed_bytes[0]) ==
|
|
intptr_t(0xf1f2f3f4f5f6f7f8LL));
|
|
} else {
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readIntptr(&signed_bytes[0]) ==
|
|
intptr_t(0xf4f3f2f1));
|
|
MOZ_RELEASE_ASSERT(BigEndian::readIntptr(&signed_bytes[0]) ==
|
|
intptr_t(0xf1f2f3f4));
|
|
}
|
|
|
|
LittleEndian::writeInt16(&buffer[0], int16_t(0xf2f1));
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(int16_t)) ==
|
|
0);
|
|
BigEndian::writeInt16(&buffer[0], int16_t(0xf1f2));
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(int16_t)) ==
|
|
0);
|
|
|
|
LittleEndian::writeInt32(&buffer[0], 0xf4f3f2f1);
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(int32_t)) ==
|
|
0);
|
|
BigEndian::writeInt32(&buffer[0], 0xf1f2f3f4);
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(int32_t)) ==
|
|
0);
|
|
|
|
LittleEndian::writeInt64(&buffer[0], 0xf8f7f6f5f4f3f2f1LL);
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(int64_t)) ==
|
|
0);
|
|
BigEndian::writeInt64(&buffer[0], 0xf1f2f3f4f5f6f7f8LL);
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(int64_t)) ==
|
|
0);
|
|
|
|
memset(&buffer[0], 0xff, sizeof(buffer));
|
|
LittleEndian::writeIntptr(&buffer[0], intptr_t(0xf8f7f6f5f4f3f2f1LL));
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(intptr_t)) ==
|
|
0);
|
|
if (sizeof(intptr_t) == 4) {
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUint32(&buffer[4]) == 0xffffffffU);
|
|
}
|
|
|
|
memset(&buffer[0], 0xff, sizeof(buffer));
|
|
if (sizeof(intptr_t) == 8) {
|
|
BigEndian::writeIntptr(&buffer[0], intptr_t(0xf1f2f3f4f5f6f7f8LL));
|
|
} else {
|
|
BigEndian::writeIntptr(&buffer[0], intptr_t(0xf1f2f3f4));
|
|
MOZ_RELEASE_ASSERT(LittleEndian::readUint32(&buffer[4]) == 0xffffffffU);
|
|
}
|
|
MOZ_RELEASE_ASSERT(memcmp(&signed_bytes[0], &buffer[0], sizeof(intptr_t)) ==
|
|
0);
|
|
|
|
TestSingleSwap(uint16_t(0xf2f1), uint16_t(0xf1f2));
|
|
TestSingleSwap(uint32_t(0xf4f3f2f1), uint32_t(0xf1f2f3f4));
|
|
TestSingleSwap(uint64_t(0xf8f7f6f5f4f3f2f1), uint64_t(0xf1f2f3f4f5f6f7f8));
|
|
|
|
TestSingleSwap(int16_t(0xf2f1), int16_t(0xf1f2));
|
|
TestSingleSwap(int32_t(0xf4f3f2f1), int32_t(0xf1f2f3f4));
|
|
TestSingleSwap(int64_t(0xf8f7f6f5f4f3f2f1), int64_t(0xf1f2f3f4f5f6f7f8));
|
|
|
|
TestSingleNoSwap(uint16_t(0xf2f1), uint16_t(0xf2f1));
|
|
TestSingleNoSwap(uint32_t(0xf4f3f2f1), uint32_t(0xf4f3f2f1));
|
|
TestSingleNoSwap(uint64_t(0xf8f7f6f5f4f3f2f1), uint64_t(0xf8f7f6f5f4f3f2f1));
|
|
|
|
TestSingleNoSwap(int16_t(0xf2f1), int16_t(0xf2f1));
|
|
TestSingleNoSwap(int32_t(0xf4f3f2f1), int32_t(0xf4f3f2f1));
|
|
TestSingleNoSwap(int64_t(0xf8f7f6f5f4f3f2f1), int64_t(0xf8f7f6f5f4f3f2f1));
|
|
|
|
TestBulkSwap(uint16_values);
|
|
TestBulkSwap(int16_values);
|
|
TestBulkSwap(uint32_values);
|
|
TestBulkSwap(int32_values);
|
|
TestBulkSwap(uint64_values);
|
|
TestBulkSwap(int64_values);
|
|
|
|
TestBulkNoSwap(uint16_values);
|
|
TestBulkNoSwap(int16_values);
|
|
TestBulkNoSwap(uint32_values);
|
|
TestBulkNoSwap(int32_values);
|
|
TestBulkNoSwap(uint64_values);
|
|
TestBulkNoSwap(int64_values);
|
|
|
|
TestBulkInPlaceSwap(uint16_values);
|
|
TestBulkInPlaceSwap(int16_values);
|
|
TestBulkInPlaceSwap(uint32_values);
|
|
TestBulkInPlaceSwap(int32_values);
|
|
TestBulkInPlaceSwap(uint64_values);
|
|
TestBulkInPlaceSwap(int64_values);
|
|
|
|
TestBulkInPlaceNoSwap(uint16_values);
|
|
TestBulkInPlaceNoSwap(int16_values);
|
|
TestBulkInPlaceNoSwap(uint32_values);
|
|
TestBulkInPlaceNoSwap(int32_values);
|
|
TestBulkInPlaceNoSwap(uint64_values);
|
|
TestBulkInPlaceNoSwap(int64_values);
|
|
|
|
return 0;
|
|
}
|