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 // <complex>
10 
11 // template<class T, class charT, class traits>
12 //   basic_ostream<charT, traits>&
13 //   operator<<(basic_ostream<charT, traits>& o, const complex<T>& x);
14 
15 #include <complex>
16 #include <sstream>
17 #include <cassert>
18 
19 int main(int, char**)
20 {
21     std::complex<double> c(1, 2);
22     std::ostringstream os;
23     os << c;
24     assert(os.str() == "(1,2)");
25 
26   return 0;
27 }
28