libcxx/test/std/input.output/iostreams.base/ios/basic.ios.members/tie_ostream.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 // <ios>
  10
  11 // template <class charT, class traits> class basic_ios
  12
  13 // basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr);
  14
  15 #include <ios>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19
  20 int main(int, char**)
  21 {
  22     std::ios ios(0);
  23     std::ostream* os = (std::ostream*)1;
  24     std::ostream* r = ios.tie(os);
  25     assert(r == 0);
  26     assert(ios.tie() == os);
  27
  28   return 0;
  29 }