mirror of
https://github.com/fraillt/bitsery.git
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131 lines
4.1 KiB
C++
131 lines
4.1 KiB
C++
// MIT License
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//
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// Copyright (c) 2017 Mindaugas Vinkelis
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "serialization_test_utils.h"
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#include <gmock/gmock.h>
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#if __cplusplus > 201402L
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#include <bitsery/ext/std_optional.h>
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#include <bitsery/ext/value_range.h>
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using StdOptional = bitsery::ext::StdOptional;
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using BPSer = SerializationContext::TSerializer::BPEnabledType;
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using BPDes = SerializationContext::TDeserializer::BPEnabledType;
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using testing::Eq;
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template<typename T>
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void
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test(SerializationContext& ctx, const T& v, T& r)
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{
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ctx.createSerializer().ext4b(v, StdOptional{});
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ctx.createDeserializer().ext4b(r, StdOptional{});
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}
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TEST(SerializeExtensionStdOptional, EmptyOptional)
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{
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std::optional<int32_t> t1{};
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std::optional<int32_t> r1{};
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SerializationContext ctx1;
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test(ctx1, t1, r1);
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EXPECT_THAT(ctx1.getBufferSize(), Eq(1));
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EXPECT_THAT(t1, Eq(r1));
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r1 = 3;
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SerializationContext ctx2;
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test(ctx2, t1, r1);
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EXPECT_THAT(ctx2.getBufferSize(), Eq(1));
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EXPECT_THAT(t1, Eq(r1));
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}
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TEST(SerializeExtensionStdOptional, OptionalHasValue)
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{
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std::optional<int32_t> t1{ 43 };
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std::optional<int32_t> r1{ 52 };
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SerializationContext ctx1;
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test(ctx1, t1, r1);
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EXPECT_THAT(ctx1.getBufferSize(), Eq(1 + sizeof(int)));
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EXPECT_THAT(t1.value(), Eq(r1.value()));
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r1 = std::optional<int>{};
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SerializationContext ctx2;
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test(ctx2, t1, r1);
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EXPECT_THAT(ctx2.getBufferSize(), Eq(1 + sizeof(int)));
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EXPECT_THAT(t1.value(), Eq(r1.value()));
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}
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TEST(SerializeExtensionStdOptional, AlignAfterStateWriteRead)
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{
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std::optional<int32_t> t1{ 43 };
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std::optional<int32_t> r1{ 52 };
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auto range = bitsery::ext::ValueRange<int>{ 40, 60 };
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SerializationContext ctx;
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ctx.createSerializer().enableBitPacking([&t1, &range](BPSer& ser) {
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ser.ext(t1, StdOptional(true), [&range](BPSer& ser, int32_t& v) {
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ser.ext(v, range);
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});
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});
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ctx.createDeserializer().enableBitPacking([&r1, &range](BPDes& des) {
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des.ext(r1, StdOptional(true), [&range](BPDes& des, int32_t& v) {
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des.ext(v, range);
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});
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});
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EXPECT_THAT(ctx.getBufferSize(), Eq(2)); // 1byte for index + 1byte for value
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EXPECT_THAT(t1.value(), Eq(r1.value()));
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}
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TEST(SerializeExtensionStdOptional, NoAlignAfterStateWriteRead)
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{
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std::optional<int32_t> t1{ 43 };
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std::optional<int32_t> r1{ 52 };
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auto range = bitsery::ext::ValueRange<int>{ 40, 60 };
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SerializationContext ctx;
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ctx.createSerializer().enableBitPacking([&t1, &range](BPSer& ser) {
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ser.ext(t1, StdOptional(false), [&range](BPSer& ser, int32_t& v) {
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ser.ext(v, range);
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});
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});
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ctx.createDeserializer().enableBitPacking([&r1, &range](BPDes& des) {
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des.ext(r1, StdOptional(false), [&range](BPDes& des, int32_t& v) {
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des.ext(v, range);
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});
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});
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EXPECT_THAT(range.getRequiredBits() + 1, ::testing::Lt(8));
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EXPECT_THAT(ctx.getBufferSize(), Eq(1));
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EXPECT_THAT(t1.value(), Eq(r1.value()));
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}
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#elif defined(_MSC_VER)
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#pragma message( \
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"C++17 and /Zc:__cplusplus option is required to enable std::optional tests")
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#else
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#pragma message("C++17 is required to enable std::optional tests")
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#endif
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