1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++98, c++03
11 // Because we don't have a functioning decltype in C++03
12
13 // <memory>
14
15 // unique_ptr
16
17 // template<class CharT, class Traits, class Y, class D>
18 // basic_ostream<CharT, Traits>&
19 // operator<<(basic_ostream<CharT, Traits>& os, const unique_ptr<Y, D>& p);
20
21 #include <memory>
22 #include <sstream>
23 #include <cassert>
24
main()25 int main()
26 {
27 std::unique_ptr<int> p(new int(3));
28 std::ostringstream os;
29 assert(os.str().empty());
30 os << p;
31 assert(!os.str().empty());
32 }
33