libcxx/test/std/numerics/complex.number/complex.ops/stream_output.pass.cpp

   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 #include "test_macros.h"
  20
  21 int main(int, char**)
  22 {
  23     std::complex<double> c(1, 2);
  24     std::ostringstream os;
  25     os << c;
  26     assert(os.str() == "(1,2)");
  27
  28   return 0;
  29 }