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bitsery/tests/data_writing.cpp
2022-12-01 13:50:03 +02:00

118 lines
3.7 KiB
C++

// 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/details/serialization_common.h>
#include <bitsery/traits/array.h>
#include "serialization_test_utils.h"
#include <gmock/gmock.h>
using bitsery::EndiannessType;
using testing::ContainerEq;
using testing::Eq;
template<typename BufType>
class DataWriting : public testing::Test
{
public:
using TWriter = bitsery::OutputBufferAdapter<BufType>;
using TBuffer = BufType;
};
using NonFixedContainer = std::vector<uint8_t>;
using FixedContainer = std::array<uint8_t, 100>;
using ContainerTypes = ::testing::Types<FixedContainer, NonFixedContainer>;
TYPED_TEST_SUITE(DataWriting, ContainerTypes, );
static constexpr size_t DATA_SIZE = 14u;
template<typename BW>
void
writeData(BW& bw)
{
uint16_t tmp1{ 45 }, tmp2{ 6543 }, tmp3{ 46533 };
uint32_t tmp4{ 8979445 }, tmp5{ 7987564 };
bw.template writeBytes<2>(tmp1);
bw.template writeBytes<2>(tmp2);
bw.template writeBytes<2>(tmp3);
bw.template writeBytes<4>(tmp4);
bw.template writeBytes<4>(tmp5);
}
TYPED_TEST(DataWriting, GetWrittenBytesCountReturnsActualBytesWritten)
{
using TWriter = typename TestFixture::TWriter;
using TBuffer = typename TestFixture::TBuffer;
TBuffer buf{};
TWriter bw{ buf };
writeData(bw);
bw.flush();
auto writtenSize = bw.writtenBytesCount();
EXPECT_THAT(writtenSize, DATA_SIZE);
EXPECT_THAT(buf.size(), ::testing::Ge(DATA_SIZE));
}
TYPED_TEST(DataWriting, WhenWritingBitsThenMustFlushWriter)
{
using TWriter = typename TestFixture::TWriter;
using TBuffer = typename TestFixture::TBuffer;
TBuffer buf{};
TWriter bw{ buf };
bitsery::details::OutputAdapterBitPackingWrapper<TWriter> bpw{ bw };
bpw.writeBits(3u, 2);
auto writtenSize1 = bpw.writtenBytesCount();
bpw.flush();
auto writtenSize2 = bpw.writtenBytesCount();
EXPECT_THAT(writtenSize1, Eq(0));
EXPECT_THAT(writtenSize2, Eq(1));
}
TYPED_TEST(DataWriting, WhenDataAlignedThenFlushHasNoEffect)
{
using TWriter = typename TestFixture::TWriter;
using TBuffer = typename TestFixture::TBuffer;
TBuffer buf{};
TWriter bw{ buf };
bitsery::details::OutputAdapterBitPackingWrapper<TWriter> bpw{ bw };
bpw.writeBits(3u, 2);
bpw.align();
auto writtenSize1 = bpw.writtenBytesCount();
bpw.flush();
auto writtenSize2 = bpw.writtenBytesCount();
EXPECT_THAT(writtenSize1, Eq(1));
EXPECT_THAT(writtenSize2, Eq(1));
}
TEST(DataWritingNonFixedBufferContainer, ContainerIsAlwaysResizedToCapacity)
{
NonFixedContainer buf{};
bitsery::OutputBufferAdapter<NonFixedContainer> bw{ buf };
for (auto i = 0; i < 5; ++i) {
uint32_t tmp{};
bw.writeBytes<4>(tmp);
bw.writeBytes<4>(tmp);
EXPECT_TRUE(buf.size() == buf.capacity());
}
}