libcxx/test/std/input.output/string.streams/istringstream/istringstream.cons/move.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 // UNSUPPORTED: c++98, c++03
  10
  11 // <sstream>
  12
  13 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
  14 // class basic_istringstream
  15
  16 // basic_istringstream(basic_istringstream&& rhs);
  17
  18 #include <sstream>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22
  23 int main(int, char**)
  24 {
  25     {
  26         std::istringstream ss0(" 123 456");
  27         std::istringstream ss(std::move(ss0));
  28         assert(ss.rdbuf() != 0);
  29         assert(ss.good());
  30         assert(ss.str() == " 123 456");
  31         int i = 0;
  32         ss >> i;
  33         assert(i == 123);
  34         ss >> i;
  35         assert(i == 456);
  36     }
  37     {
  38         std::wistringstream ss0(L" 123 456");
  39         std::wistringstream ss(std::move(ss0));
  40         assert(ss.rdbuf() != 0);
  41         assert(ss.good());
  42         assert(ss.str() == L" 123 456");
  43         int i = 0;
  44         ss >> i;
  45         assert(i == 123);
  46         ss >> i;
  47         assert(i == 456);
  48     }
  49
  50   return 0;
  51 }