/*
    Copyright (c) 2005-2020 Intel Corporation

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

#define MAX_TUPLE_TEST_SIZE 10
#include "common/config.h"

#include "test_join_node.h"


//! \file test_join_node_key_matching.cpp
//! \brief Test for [flow_graph.join_node] specification


#if __TBB_CPP17_DEDUCTION_GUIDES_PRESENT
void test_deduction_guides() {
    using namespace tbb::flow;
    using tuple_type = std::tuple<int, int, double>;

    graph g;
    auto body_int = [](const int&)->int { return 1; };
    auto body_double = [](const double&)->int { return 1; };

    join_node j1(g, body_int, body_int, body_double);
    static_assert(std::is_same_v<decltype(j1), join_node<tuple_type, key_matching<int>>>);

#if __TBB_PREVIEW_FLOW_GRAPH_NODE_SET
    broadcast_node<int> b1(g), b2(g);
    broadcast_node<double> b3(g);
    broadcast_node<tuple_type> b4(g);

    join_node j2(follows(b1, b2, b3), body_int, body_int, body_double);
    static_assert(std::is_same_v<decltype(j2), join_node<tuple_type, key_matching<int>>>);

    join_node j3(precedes(b4), body_int, body_int, body_double);
    static_assert(std::is_same_v<decltype(j3), join_node<tuple_type, key_matching<int>>>);
#endif

    join_node j4(j1);
    static_assert(std::is_same_v<decltype(j4), join_node<tuple_type, key_matching<int>>>);
}
#endif

template <typename T1, typename T2>
using make_tuple = decltype(std::tuple_cat(T1(), std::tuple<T2>()));
using T1 = std::tuple<MyKeyFirst<std::string, double>>;
using T2 = make_tuple<T1, MyKeySecond<std::string, int>>;
using T3 = make_tuple<T2, MyKeyFirst<std::string, int>>;
using T4 = make_tuple<T3, MyKeyWithBrokenMessageKey<std::string, size_t>>;
using T5 = make_tuple<T4, MyKeyWithBrokenMessageKey<std::string, int>>;
using T6 = make_tuple<T5, MyKeySecond<std::string, short>>;
using T7 = make_tuple<T6, MyKeySecond<std::string, threebyte>>;
using T8 = make_tuple<T7, MyKeyFirst<std::string, int>>;
using T9 = make_tuple<T8, MyKeySecond<std::string, threebyte>>;
using T10 = make_tuple<T9, MyKeyWithBrokenMessageKey<std::string, size_t>>;

//! Test serial key matching on special input types
//! \brief \ref error_guessing
TEST_CASE("Serial test on tuples") {
    INFO("key_matching\n");
    generate_test<serial_test, std::tuple<MyKeyFirst<int, double>, MyKeySecond<int, float> >, tbb::flow::key_matching<int> >::do_test();
    generate_test<serial_test, std::tuple<MyKeyFirst<std::string, double>, MyKeySecond<std::string, float> >, tbb::flow::key_matching<std::string> >::do_test();
    generate_test<serial_test, std::tuple<MyKeyFirst<std::string, double>, MyKeySecond<std::string, float>, MyKeyWithBrokenMessageKey<std::string, int> >, tbb::flow::key_matching<std::string&> >::do_test();
}

//! Serial test with different tuple sizes
//! \brief \ref error_guessing
TEST_CASE_TEMPLATE("Serial N tests on tuples", T, T2, T3, T4, T5, T6, T7, T8, T9, T10) {
     generate_test<serial_test, T, tbb::flow::key_matching<std::string&>>::do_test();
}

#if __TBB_CPP17_DEDUCTION_GUIDES_PRESENT
//! Test deduction guides
//! \brief \ref requirement
TEST_CASE("Test deduction guides"){
    test_deduction_guides();
}
#endif

//! Test parallel key matching on special input types
//! \brief \ref error_guessing
TEST_CASE("Parallel test on tuples"){
    generate_test<parallel_test, std::tuple<MyKeyFirst<int, double>, MyKeySecond<int, float> >, tbb::flow::key_matching<int> >::do_test();
    generate_test<parallel_test, std::tuple<MyKeyFirst<int, double>, MyKeySecond<int, float> >, tbb::flow::key_matching<int&> >::do_test();
    generate_test<parallel_test, std::tuple<MyKeyFirst<std::string, double>, MyKeySecond<std::string, float> >, tbb::flow::key_matching<std::string&> >::do_test();
}

//! Parallel test with different tuple sizes
//! \brief \ref error_guessing
TEST_CASE_TEMPLATE("Parallel N tests on tuples", T, T2, T3, T4, T5, T6, T7, T8, T9, T10) {
    generate_test<parallel_test, T, tbb::flow::key_matching<std::string&>>::do_test();
}