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//
// zug: transducers for C++
// Copyright (C) 2019 Juan Pedro Bolivar Puente
//
// This software is distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
//
#include <catch2/catch.hpp>
#include <zug/into_vector.hpp>
#include <zug/transducer/chain.hpp>
#include <zug/transducer/take.hpp>
using namespace zug;
TEST_CASE("chain, append")
{
// example1 {
auto v1 = std::vector<int>{1, 2};
auto v2 = std::vector<int>{13, 42, 5};
auto res = into_vector(chain(v2), v1);
CHECK(res == (std::vector<int>{1, 2, 13, 42, 5}));
// }
}
TEST_CASE("chain, variadic")
{
// example2 {
auto v1 = std::vector<int>{1, 2};
auto v2 = std::vector<int>{13, 42, 5};
auto res = into_vector(chain(v2, v1), v1);
CHECK(res == (std::vector<int>{1, 2, 13, 42, 5, 1, 2}));
// }
}
TEST_CASE("chain, no chaining if no input")
{
// example22 {
// This is a limitation of the pure stateful transducer design
auto v1 = std::vector<int>{};
auto v2 = std::vector<int>{13, 42, 5};
auto res = into_vector(chain(v2), v1);
CHECK(res == (std::vector<int>{}));
// }
}
TEST_CASE("chainl, prepend")
{
// example3 {
auto v1 = std::vector<int>{1, 2};
auto v2 = std::vector<int>{13, 42, 5};
auto res = into_vector(chainl(v2), v1);
CHECK(res == (std::vector<int>{13, 42, 5, 1, 2}));
// }
}
TEST_CASE("chainl, variadic")
{
// example4 {
auto v1 = std::vector<int>{1, 2};
auto v2 = std::vector<int>{13, 42, 5};
auto res = into_vector(chainl(v2, v1), v1);
CHECK(res == (std::vector<int>{1, 2, 13, 42, 5, 1, 2}));
// }
}
TEST_CASE("chainl, no chaining if no input")
{
// example5 {
// This is a limitation of the pure stateful transducer design
auto v1 = std::vector<int>{};
auto v2 = std::vector<int>{13, 42, 5};
auto res = into_vector(chainl(v2), v1);
CHECK(res == (std::vector<int>{}));
// }
}
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