1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++98, c++03 10 // Because we don't have a functioning decltype in C++03 11 12 // <memory> 13 14 // unique_ptr 15 16 // template<class CharT, class Traits, class Y, class D> 17 // basic_ostream<CharT, Traits>& 18 // operator<<(basic_ostream<CharT, Traits>& os, const unique_ptr<Y, D>& p); 19 20 #include <memory> 21 #include <sstream> 22 #include <cassert> 23 24 #include "test_macros.h" 25 26 int main(int, char**) 27 { 28 std::unique_ptr<int> p(new int(3)); 29 std::ostringstream os; 30 assert(os.str().empty()); 31 os << p; 32 assert(!os.str().empty()); 33 34 return 0; 35 } 36