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#include <library/cpp/grpc/server/grpc_response.h> 
#include <library/cpp/testing/unittest/registar.h> 
 
#include <google/protobuf/duration.pb.h> 
#include <grpc++/impl/codegen/proto_utils.h> 
#include <grpc++/impl/grpc_library.h> 
 
static ::grpc::internal::GrpcLibraryInitializer grpcInitializer; 
 
using namespace NGrpc; 
 
using google::protobuf::Duration; 
 
Y_UNIT_TEST_SUITE(ResponseTest) { 
 
    template <typename T> 
    grpc::ByteBuffer Serialize(T resp) { 
        grpc::ByteBuffer buf; 
        bool ownBuf = false; 
        grpc::Status status = grpc::SerializationTraits<T>::Serialize(resp, &buf, &ownBuf); 
        UNIT_ASSERT(status.ok()); 
        return buf; 
    } 
 
    template <typename T> 
    T Deserialize(grpc::ByteBuffer* buf) { 
        T message; 
        auto status = grpc::SerializationTraits<T>::Deserialize(buf, &message); 
        UNIT_ASSERT(status.ok()); 
        return message; 
    } 
 
    Y_UNIT_TEST(UniversalResponseMsg) { 
        Duration d1; 
        d1.set_seconds(12345); 
        d1.set_nanos(67890); 
 
        auto buf = Serialize(TUniversalResponse<Duration>(&d1)); 
        Duration d2 = Deserialize<Duration>(&buf); 
 
        UNIT_ASSERT_VALUES_EQUAL(d2.seconds(), 12345); 
        UNIT_ASSERT_VALUES_EQUAL(d2.nanos(), 67890); 
    } 
 
    Y_UNIT_TEST(UniversalResponseBuf) { 
        Duration d1; 
        d1.set_seconds(123); 
        d1.set_nanos(456); 
 
        TString data = d1.SerializeAsString(); 
        grpc::Slice dataSlice{data.data(), data.size()}; 
        grpc::ByteBuffer dataBuf{&dataSlice, 1}; 
 
        auto buf = Serialize(TUniversalResponse<Duration>(&dataBuf)); 
        Duration d2 = Deserialize<Duration>(&buf); 
 
        UNIT_ASSERT_VALUES_EQUAL(d2.seconds(), 123); 
        UNIT_ASSERT_VALUES_EQUAL(d2.nanos(), 456); 
    } 
 
    Y_UNIT_TEST(UniversalResponseRefMsg) { 
        Duration d1; 
        d1.set_seconds(12345); 
        d1.set_nanos(67890); 
 
        auto buf = Serialize(TUniversalResponseRef<Duration>(&d1)); 
        Duration d2 = Deserialize<Duration>(&buf); 
 
        UNIT_ASSERT_VALUES_EQUAL(d2.seconds(), 12345); 
        UNIT_ASSERT_VALUES_EQUAL(d2.nanos(), 67890); 
    } 
 
    Y_UNIT_TEST(UniversalResponseRefBuf) { 
        Duration d1; 
        d1.set_seconds(123); 
        d1.set_nanos(456); 
 
        TString data = d1.SerializeAsString(); 
        grpc::Slice dataSlice{data.data(), data.size()}; 
        grpc::ByteBuffer dataBuf{&dataSlice, 1}; 
 
        auto buf = Serialize(TUniversalResponseRef<Duration>(&dataBuf)); 
        Duration d2 = Deserialize<Duration>(&buf); 
 
        UNIT_ASSERT_VALUES_EQUAL(d2.seconds(), 123); 
        UNIT_ASSERT_VALUES_EQUAL(d2.nanos(), 456); 
    } 
}