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libcxx/test/std/utilities/utility/pairs/pairs.pair/dtor.pass.cpp

37 lines
937 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <utility>
// template <class T1, class T2> struct pair
// ~pair()
// C++17 added:
// The destructor of pair shall be a trivial destructor
// if (is_trivially_destructible_v<T1> && is_trivially_destructible_v<T2>) is true.
#include <utility>
#include <type_traits>
#include <string>
#include <cassert>
#include "test_macros.h"
int main()
{
static_assert((std::is_trivially_destructible<
std::pair<int, float> >::value), "");
static_assert((!std::is_trivially_destructible<
std::pair<int, std::string> >::value), "");
}