cxx/test/input.output/file.streams/fstreams/fstream.assign/move_assign.pass.cpp
Howard Hinnant bf6666f7a0 Correct test.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@135460 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19 01:07:49 +00:00

51 lines
1.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <fstream>
// template <class charT, class traits = char_traits<charT> >
// class basic_fstream
// basic_fstream& operator=(basic_fstream&& rhs);
#include <fstream>
#include <cassert>
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
char temp[L_tmpnam];
tmpnam(temp);
{
std::fstream fso(temp, std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
std::fstream fs;
fs = move(fso);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove(temp);
{
std::wfstream fso(temp, std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
std::wfstream fs;
fs = move(fso);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove(temp);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}