44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
|
//===----------------------------------------------------------------------===//
|
|||
|
|
//
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
|
|||
|
|
//
|
|||
|
|
// This file is distributed under the University of Illinois Open Source
|
|||
|
|
// License. See LICENSE.TXT for details.
|
|||
|
|
//
|
|||
|
|
//===----------------------------------------------------------------------===//
|
|||
|
|
|
|||
|
|
// <fstream>
|
|||
|
|
|
|||
|
|
// template <class charT, class traits = char_traits<charT> >
|
|||
|
|
// class basic_ifstream
|
|||
|
|
|
|||
|
|
// template <class charT, class traits>
|
|||
|
|
// void swap(basic_ifstream<charT, traits>& x, basic_ifstream<charT, traits>& y);
|
|||
|
|
|
|||
|
|
#include <fstream>
|
|||
|
|
#include <cassert>
|
|||
|
|
|
|||
|
|
int main()
|
|||
|
|
{
|
|||
|
|
{
|
|||
|
|
std::ifstream fs1("test.dat");
|
|||
|
|
std::ifstream fs2("test2.dat");
|
|||
|
|
swap(fs1, fs2);
|
|||
|
|
double x = 0;
|
|||
|
|
fs1 >> x;
|
|||
|
|
assert(x == 4.5);
|
|||
|
|
fs2 >> x;
|
|||
|
|
assert(x == 3.25);
|
|||
|
|
}
|
|||
|
|
{
|
|||
|
|
std::wifstream fs1("test.dat");
|
|||
|
|
std::wifstream fs2("test2.dat");
|
|||
|
|
swap(fs1, fs2);
|
|||
|
|
double x = 0;
|
|||
|
|
fs1 >> x;
|
|||
|
|
assert(x == 4.5);
|
|||
|
|
fs2 >> x;
|
|||
|
|
assert(x == 3.25);
|
|||
|
|
}
|
|||
|
|
}
|