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bitsery/tests/serialization_ext_growable.cpp
Mindaugas a6dad0885f visual studio variadic templates issues
2019-01-16 11:27:56 +02:00

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//MIT License
//
//Copyright (c) 2017 Mindaugas Vinkelis
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//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 Software.
//
//THE SOFTWARE IS 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 CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.
#include <bitsery/ext/growable.h>
#include <gmock/gmock.h>
#include "serialization_test_utils.h"
using namespace testing;
using bitsery::ext::Growable;
struct DataV1 {
int32_t v1;
};
struct DataV2 {
int32_t v1;
int32_t v2;
};
struct DataV3 {
int32_t v1;
int32_t v2;
int32_t v3;
};
TEST(SerializeExtensionGrowable, WriteSessionsDataAtBufferEndAfterFlush) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
auto& ser = ctx.createSerializer();
//session cannot be empty
ser.ext(int8_t{}, Growable{}, [&ser] (int8_t& v) {
ser.value1b(v);
});
EXPECT_THAT(ctx.getBufferSize(), Eq(1u));
ctx.bw->flush();
EXPECT_THAT(ctx.getBufferSize(), Gt(1u));
}
TEST(SerializeExtensionGrowable, SessionDataConsistOfSessionsEndPosAnd4BytesSessionsDataOffset) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
constexpr size_t DATA_SIZE = 4;
int32_t data{};
auto& ser = ctx.createSerializer();
ser.ext(data, Growable{}, [&ser](int32_t & v) { ser.value4b(v);});
ctx.createDeserializer();//to flush data and create buffer reader
EXPECT_THAT(ctx.getBufferSize(), Eq(1+4 + DATA_SIZE));
//read value back
auto& br = *(ctx.br);
br.readBytes<DATA_SIZE>(data);
size_t sessionEnd{};
//there should start session data with first size of session
bitsery::details::readSize(br, sessionEnd, 1000000u);
EXPECT_THAT(sessionEnd, Eq(DATA_SIZE));
//this is the the offset from the end of buffer where actual data ends
uint32_t sessionsOffset{};//bufferEnd - sessionsOffset = dataEnd
br.readBytes<4>(sessionsOffset);
EXPECT_THAT(sessionsOffset, Eq(1+4));//1byte for session info, 4 bytes for session offset variable
auto writtenSize = ctx.bw->writtenBytesCount();
auto dSize = writtenSize - sessionsOffset;
EXPECT_THAT(dSize, Eq(DATA_SIZE));
}
TEST(SerializeExtensionGrowable, WhenNestedSessionsThenStoreEachDepthAndSize) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV3 data{19457,846, 498418};
ctx.createSerializer();
ctx.bw->beginSession();
ctx.bw->writeBytes<4>(data.v1);
ctx.bw->beginSession();
ctx.bw->writeBytes<4>(data.v2);
ctx.bw->endSession();
ctx.bw->beginSession();
ctx.bw->writeBytes<4>(data.v3);
ctx.bw->endSession();
ctx.bw->endSession();
DataV3 res{};
ctx.createDeserializer();//to flush data and create buffer reader
ctx.br->readBytes<4>(res.v1);
ctx.br->readBytes<4>(res.v2);
ctx.br->readBytes<4>(res.v3);
//read data correctly
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
EXPECT_THAT(res.v3, Eq(data.v3));
size_t sessionEnd[3];
//read sessions sizes
bitsery::details::readSize(*(ctx.br), sessionEnd[0],10000000u);
bitsery::details::readSize(*(ctx.br), sessionEnd[1],10000000u);
bitsery::details::readSize(*(ctx.br), sessionEnd[2],10000000u);
EXPECT_THAT(sessionEnd[0], Eq(12));
EXPECT_THAT(sessionEnd[1], Eq(8));
EXPECT_THAT(sessionEnd[2], Eq(12));
}
TEST(SerializeExtensionGrowable, MultipleSessionsReadSameVersionData) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV2 data{8454,987451};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 10; ++i) {
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
bw.endSession();
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV2 res{};
auto& br = (*ctx.br);
for (auto i = 0; i < 10; ++i) {
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
br.endSession();
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
}
EXPECT_THAT(ctx.br->isCompletedSuccessfully(), Eq(true));
}
TEST(SerializeExtensionGrowable, MultipleSessionsReadNewerVersionData) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV3 data{8454,987451,54};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 10; ++i) {
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
bw.writeBytes<4>(data.v3);
bw.endSession();
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV2 res{};
auto& br = (*ctx.br);
for (auto i = 0; i < 10; ++i) {
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
br.endSession();
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
}
EXPECT_THAT(br.isCompletedSuccessfully(), Eq(true));
}
TEST(SerializeExtensionGrowable, MultipleSessionsReadOlderVersionData) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV2 data{8454,987451};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 10; ++i) {
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
bw.endSession();
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV3 res{4798,657891,985};
auto& br = (*ctx.br);
for (auto i = 0; i < 10; ++i) {
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
br.readBytes<4>(res.v3);
br.endSession();
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
EXPECT_THAT(res.v3, Eq(0));
}
EXPECT_THAT(ctx.br->isCompletedSuccessfully(), Eq(true));
}
TEST(SerializeExtensionGrowable, MultipleNestedSessionsReadSameVersionData) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV2 data{8454,987451};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 2; ++i) {
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
bw.endSession();
bw.endSession();
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV2 res{};
auto& br = (*ctx.br);
for (auto i = 0; i < 2; ++i) {
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
br.endSession();
br.endSession();
}
EXPECT_THAT(ctx.br->isCompletedSuccessfully(), Eq(true));
}
TEST(SerializeExtensionGrowable, MultipleNestedSessionsReadOlderVersionData) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV2 data{8454,987451};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 5; ++i) {
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.endSession();
bw.writeBytes<4>(data.v2);
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV3 res{};
auto& br = (*ctx.br);
for (auto i = 0; i < 5; ++i) {
br.beginSession();
br.readBytes<4>(res.v1);
EXPECT_THAT(res.v1, Eq(data.v1));
//new flow
br.beginSession();
br.readBytes<4>(res.v3);
EXPECT_THAT(res.v3, Eq(0));
br.beginSession();
br.readBytes<4>(res.v3);
EXPECT_THAT(res.v3, Eq(0));
br.endSession();
br.endSession();
br.beginSession();
br.readBytes<4>(res.v3);
EXPECT_THAT(res.v3, Eq(0));
br.endSession();
br.endSession();
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v2, Eq(data.v2));
}
EXPECT_THAT(ctx.br->isCompletedSuccessfully(), Eq(true));
}
TEST(SerializeExtensionGrowable, MultipleNestedSessionsReadNewerVersionData1) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV3 data{8454,987451,54};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 2; ++i) {
bw.beginSession();
{
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
//new flow
bw.beginSession();
{
bw.writeBytes<4>(data.v3);
}
bw.endSession();
bw.beginSession();
{
bw.writeBytes<4>(data.v3);
bw.beginSession();
{
bw.beginSession();
{
bw.writeBytes<4>(data.v3);
bw.writeBytes<4>(data.v3);
}
bw.endSession();
bw.writeBytes<4>(data.v3);
}
bw.endSession();
}
bw.endSession();
bw.writeBytes<4>(data.v3);
}
bw.endSession();
bw.writeBytes<4>(data.v2);
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV2 res{};
auto& br = (*ctx.br);
for (auto i = 0; i < 2; ++i) {
br.beginSession();
{
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
}
br.endSession();
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v2, Eq(data.v2));
}
EXPECT_THAT(ctx.br->isCompletedSuccessfully(), Eq(true));
}
TEST(SerializeExtensionGrowable, MultipleNestedSessionsReadNewerVersionData2) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV3 data{8454,987451,54};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 2; ++i) {
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
//new flow
bw.beginSession();
bw.writeBytes<4>(data.v3);
bw.endSession();
bw.beginSession();
bw.writeBytes<4>(data.v3);
bw.beginSession();
bw.beginSession();
bw.writeBytes<4>(data.v3);
bw.writeBytes<4>(data.v3);
bw.endSession();
bw.writeBytes<4>(data.v3);
bw.endSession();
bw.endSession();
bw.writeBytes<4>(data.v3);
bw.endSession();
bw.writeBytes<4>(data.v2);
//new flow
bw.writeBytes<4>(data.v3);
bw.beginSession();
bw.writeBytes<4>(data.v3);
bw.endSession();
bw.writeBytes<4>(data.v3);
bw.endSession();
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV2 res{};
auto& br = (*ctx.br);
for (auto i = 0; i < 2; ++i) {
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
br.endSession();
br.readBytes<4>(res.v2);
EXPECT_THAT(res.v2, Eq(data.v2));
br.endSession();
}
EXPECT_THAT(ctx.br->isCompletedSuccessfully(), Eq(true));
}
TEST(SerializeExtensionGrowable, SessionsStartsAtEndOfSerialization) {
BasicSerializationContext<SessionsEnabledConfig, void> ctx;
DataV2 data{8454,987451};
ctx.createSerializer();
auto& bw = (*ctx.bw);
for (auto i = 0; i < 100; ++i)
bw.writeBytes<4>(data.v1);
for (auto i = 0; i < 10; ++i) {
bw.beginSession();
bw.writeBytes<4>(data.v1);
bw.writeBytes<4>(data.v2);
bw.endSession();
}
//create more sessions that can fit in 2 bytes
ctx.createDeserializer();//to flush data and create buffer reader
DataV2 res{};
auto& br = (*ctx.br);
for (auto i = 0; i < 100; ++i)
br.readBytes<4>(res.v1);
for (auto i = 0; i < 10; ++i) {
br.beginSession();
br.readBytes<4>(res.v1);
br.readBytes<4>(res.v2);
br.endSession();
EXPECT_THAT(res.v1, Eq(data.v1));
EXPECT_THAT(res.v2, Eq(data.v2));
}
EXPECT_THAT(ctx.br->isCompletedSuccessfully(), Eq(true));
}
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