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simple_packed_serialization_test.cpp
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simple_packed_serialization_test.cpp
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//===-- simple_packed_serialization_test.cpp ------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of the ORC runtime.
//
//===----------------------------------------------------------------------===//
#include "simple_packed_serialization.h"
#include "gtest/gtest.h"
#include <stdio.h>
using namespace __orc_rt;
TEST(SimplePackedSerializationTest, SPSOutputBuffer) {
constexpr unsigned NumBytes = 8;
char Buffer[NumBytes];
char Zero = 0;
SPSOutputBuffer OB(Buffer, NumBytes);
// Expect that we can write NumBytes of content.
for (unsigned I = 0; I != NumBytes; ++I) {
char C = I;
EXPECT_TRUE(OB.write(&C, 1));
}
// Expect an error when we attempt to write an extra byte.
EXPECT_FALSE(OB.write(&Zero, 1));
// Check that the buffer contains the expected content.
for (unsigned I = 0; I != NumBytes; ++I)
EXPECT_EQ(Buffer[I], (char)I);
}
TEST(SimplePackedSerializationTest, SPSInputBuffer) {
char Buffer[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07};
SPSInputBuffer IB(Buffer, sizeof(Buffer));
char C;
for (unsigned I = 0; I != sizeof(Buffer); ++I) {
EXPECT_TRUE(IB.read(&C, 1));
EXPECT_EQ(C, (char)I);
}
EXPECT_FALSE(IB.read(&C, 1));
}
template <typename SPSTagT, typename T>
static void blobSerializationRoundTrip(const T &Value) {
using BST = SPSSerializationTraits<SPSTagT, T>;
size_t Size = BST::size(Value);
auto Buffer = std::make_unique<char[]>(Size);
SPSOutputBuffer OB(Buffer.get(), Size);
EXPECT_TRUE(BST::serialize(OB, Value));
SPSInputBuffer IB(Buffer.get(), Size);
T DSValue;
EXPECT_TRUE(BST::deserialize(IB, DSValue));
EXPECT_EQ(Value, DSValue)
<< "Incorrect value after serialization/deserialization round-trip";
}
template <typename T> static void testFixedIntegralTypeSerialization() {
blobSerializationRoundTrip<T, T>(0);
blobSerializationRoundTrip<T, T>(static_cast<T>(1));
if (std::is_signed<T>::value) {
blobSerializationRoundTrip<T, T>(static_cast<T>(-1));
blobSerializationRoundTrip<T, T>(std::numeric_limits<T>::min());
}
blobSerializationRoundTrip<T, T>(std::numeric_limits<T>::max());
}
TEST(SimplePackedSerializationTest, BoolSerialization) {
blobSerializationRoundTrip<bool, bool>(true);
blobSerializationRoundTrip<bool, bool>(false);
}
TEST(SimplePackedSerializationTest, CharSerialization) {
blobSerializationRoundTrip<char, char>((char)0x00);
blobSerializationRoundTrip<char, char>((char)0xAA);
blobSerializationRoundTrip<char, char>((char)0xFF);
}
TEST(SimplePackedSerializationTest, Int8Serialization) {
testFixedIntegralTypeSerialization<int8_t>();
}
TEST(SimplePackedSerializationTest, UInt8Serialization) {
testFixedIntegralTypeSerialization<uint8_t>();
}
TEST(SimplePackedSerializationTest, Int16Serialization) {
testFixedIntegralTypeSerialization<int16_t>();
}
TEST(SimplePackedSerializationTest, UInt16Serialization) {
testFixedIntegralTypeSerialization<uint16_t>();
}
TEST(SimplePackedSerializationTest, Int32Serialization) {
testFixedIntegralTypeSerialization<int32_t>();
}
TEST(SimplePackedSerializationTest, UInt32Serialization) {
testFixedIntegralTypeSerialization<uint32_t>();
}
TEST(SimplePackedSerializationTest, Int64Serialization) {
testFixedIntegralTypeSerialization<int64_t>();
}
TEST(SimplePackedSerializationTest, UInt64Serialization) {
testFixedIntegralTypeSerialization<uint64_t>();
}
TEST(SimplePackedSerializationTest, SequenceSerialization) {
std::vector<int32_t> V({1, 2, -47, 139});
blobSerializationRoundTrip<SPSSequence<int32_t>, std::vector<int32_t>>(V);
}
TEST(SimplePackedSerializationTest, StringViewCharSequenceSerialization) {
const char *HW = "Hello, world!";
blobSerializationRoundTrip<SPSString, string_view>(string_view(HW));
}
TEST(SimplePackedSerializationTest, StdPairSerialization) {
std::pair<int32_t, std::string> P(42, "foo");
blobSerializationRoundTrip<SPSTuple<int32_t, SPSString>,
std::pair<int32_t, std::string>>(P);
}
TEST(SimplePackedSerializationTest, ArgListSerialization) {
using BAL = SPSArgList<bool, int32_t, SPSString>;
bool Arg1 = true;
int32_t Arg2 = 42;
std::string Arg3 = "foo";
size_t Size = BAL::size(Arg1, Arg2, Arg3);
auto Buffer = std::make_unique<char[]>(Size);
SPSOutputBuffer OB(Buffer.get(), Size);
EXPECT_TRUE(BAL::serialize(OB, Arg1, Arg2, Arg3));
SPSInputBuffer IB(Buffer.get(), Size);
bool ArgOut1;
int32_t ArgOut2;
std::string ArgOut3;
EXPECT_TRUE(BAL::deserialize(IB, ArgOut1, ArgOut2, ArgOut3));
EXPECT_EQ(Arg1, ArgOut1);
EXPECT_EQ(Arg2, ArgOut2);
EXPECT_EQ(Arg3, ArgOut3);
}