//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 <gmock/gmock.h>
#include "serialization_test_utils.h"

#if __cplusplus > 201402L
#  include<optional>
#else
#  include <experimental/optional>
    namespace std {
        template <typename T>
        using optional = experimental::optional<T>;
    }
#endif

#include <bitsery/ext/optional.h>


using extoptional = bitsery::ext::optional;

using testing::Eq;


template <typename T>
void test(SerializationContext& ctx, const T& v, T& r) {
    ctx.createSerializer().extend4b(v, extoptional{});
    ctx.createDeserializer().extend4b(r, extoptional{});
}

TEST(SerializeExtensionOptional, EmptyOptional) {
    std::optional<int32_t> t1{};
    std::optional<int32_t> r1{};

    SerializationContext ctx1;
    test(ctx1,t1, r1);
    EXPECT_THAT(ctx1.getBufferSize(), Eq(1));
    EXPECT_THAT(t1, Eq(r1));


    r1 = 3;
    SerializationContext ctx2;
    test(ctx2,t1, r1);
    EXPECT_THAT(ctx2.getBufferSize(), Eq(1));
    EXPECT_THAT(t1, Eq(r1));
}

TEST(SerializeExtensionOptional, OptionalHasValue) {
    std::optional<int32_t> t1{43};
    std::optional<int32_t> r1{52};

    SerializationContext ctx1;
    test(ctx1,t1, r1);
    EXPECT_THAT(ctx1.getBufferSize(), Eq(1 + sizeof(int)));
    EXPECT_THAT(t1.value(), Eq(r1.value()));

    r1 = std::optional<int>{};
    SerializationContext ctx2;
    test(ctx2,t1, r1);
    EXPECT_THAT(ctx2.getBufferSize(), Eq(1 + sizeof(int)));
    EXPECT_THAT(t1.value(), Eq(r1.value()));

}