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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <utility>
// template <class T1, class T2> struct pair
// template <class U, class V> pair(pair<U, V>&& p);
#include <type_traits>
#include <utility>
struct ExplicitT {
constexpr explicit ExplicitT(int x) : value(x) {}
int value;
};
struct ImplicitT {
constexpr ImplicitT(int x) : value(x) {}
int value;
};
struct ExplicitNothrowT {
explicit ExplicitNothrowT(int x) noexcept : value(x) {}
int value;
};
struct ImplicitNothrowT {
ImplicitNothrowT(int x) noexcept : value(x) {}
int value;
};
int main() {
{ // explicit noexcept test
static_assert(!std::is_nothrow_constructible<std::pair<ExplicitT, ExplicitT>,
std::pair<int, int>&&>::value, "");
static_assert(!std::is_nothrow_constructible<std::pair<ExplicitNothrowT, ExplicitT>,
std::pair<int, int>&&>::value, "");
static_assert(!std::is_nothrow_constructible<std::pair<ExplicitT, ExplicitNothrowT>,
std::pair<int, int>&&>::value, "");
static_assert( std::is_nothrow_constructible<std::pair<ExplicitNothrowT, ExplicitNothrowT>,
std::pair<int, int>&&>::value, "");
}
{ // implicit noexcept test
static_assert(!std::is_nothrow_constructible<std::pair<ImplicitT, ImplicitT>,
std::pair<int, int>&&>::value, "");
static_assert(!std::is_nothrow_constructible<std::pair<ImplicitNothrowT, ImplicitT>,
std::pair<int, int>&&>::value, "");
static_assert(!std::is_nothrow_constructible<std::pair<ImplicitT, ImplicitNothrowT>,
std::pair<int, int>&&>::value, "");
static_assert( std::is_nothrow_constructible<std::pair<ImplicitNothrowT, ImplicitNothrowT>,
std::pair<int, int>&&>::value, "");
}
}
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