io.pass.cpp
913 Bytes
//===----------------------------------------------------------------------===//
//
// 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++03
// Because we don't have a functioning decltype in C++03
// <memory>
// unique_ptr
// template<class CharT, class Traits, class Y, class D>
// basic_ostream<CharT, Traits>&
// operator<<(basic_ostream<CharT, Traits>& os, const unique_ptr<Y, D>& p);
#include <memory>
#include <sstream>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
std::unique_ptr<int> p(new int(3));
std::ostringstream os;
assert(os.str().empty());
os << p;
assert(!os.str().empty());
return 0;
}