1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
|
//
// 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/compose.hpp>
#include <zug/into_vector.hpp>
#include <zug/transducer/count.hpp>
#include <zug/transducer/take.hpp>
using namespace zug;
TEST_CASE("count, count")
{
// example1 {
auto v = std::vector<int>{13, 42, 5};
auto r = into_vector(count(), v);
using t = std::vector<std::tuple<int, std::size_t>>;
CHECK(r == (t{{13, 0u}, {42, 1u}, {5, 2u}}));
// }
}
TEST_CASE("count, generator")
{
auto res = into_vector(comp(count('a'), take(3)));
CHECK(res == (std::vector<char>{{'a', 'b', 'c'}}));
}
TEST_CASE("count, stepped")
{
// example2 {
auto r = into_vector(count(1.0, 0.5) | take(5));
CHECK(r == (std::vector<double>{{1.0, 1.5, 2.0, 2.5, 3.0}}));
// }
}
|