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Update test/tuple_transform_cx

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This commit is contained in:
Peter Dimov
2020-05-23 20:12:27 +03:00
parent c51f83c25a
commit a8f6fa891f
1 changed files with 27 additions and 37 deletions
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64
test/tuple_transform_cx.cpp
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@@ -1,10 +1,8 @@
// Copyright 2020 Hans Dembinski.
// Copyright 2015, 2020 Peter Dimov
// Copyright 2020 Hans Dembinski
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/tuple.hpp>
#include <boost/mp11/detail/config.hpp>
@@ -18,45 +16,37 @@ int main() {}
#else
#include <tuple>
#include <type_traits>
#include <utility>
// family of test types with state
template <int N>
struct T {
int value;
constexpr T() : value{N} {};
constexpr explicit T(int n) : value{n} {}
};
struct F
constexpr int f( int x )
{
template<int N, int M=1> constexpr T<N+M> operator()( T<N> a, T<M> b={} ) const
{
return T<N+M>{a.value + b.value + 1};
}
};
return x + 1;
}
constexpr int g( int x, int y )
{
return x + y + 1;
}
#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
int main()
{
{
constexpr std::tuple<T<1>, T<2>> tp;
constexpr std::tuple<T<3>, T<4>> tp2;
constexpr std::tuple<int, int, int> tp( 1, 2, 3 );
{
constexpr std::tuple<T<2>, T<3>> r = boost::mp11::tuple_transform(
F{}, tp
);
static_assert(std::get<0>(r).value == 3, "get<0>(r).value == 3" );
static_assert(std::get<1>(r).value == 4, "get<1>(r).value == 4" );
}
constexpr auto r = boost::mp11::tuple_transform( f, tp );
{
constexpr std::tuple<T<4>, T<6>> r = boost::mp11::tuple_transform(
F{}, tp, tp2
);
static_assert(std::get<0>(r).value == 5, "get<0>(r).value == 5" );
static_assert(std::get<1>(r).value == 7, "get<1>(r).value == 7" );
}
STATIC_ASSERT( r == std::make_tuple( 2, 3, 4 ) );
}
{
constexpr std::tuple<int, int> tp1( 1, 2 );
constexpr std::pair<int, int> tp2( 3, 4 );
constexpr auto r = boost::mp11::tuple_transform( g, tp1, tp2 );
STATIC_ASSERT( r == std::make_tuple( 5, 7 ) );
}
#if defined( __clang_major__ ) && __clang_major__ == 3 && __clang_minor__ < 9
@@ -65,7 +55,7 @@ int main()
{
constexpr std::tuple<> tp;
constexpr std::tuple<> r = boost::mp11::tuple_transform( F{}, tp );
constexpr std::tuple<> r = boost::mp11::tuple_transform( f, tp );
(void)r;
}