cxx/test/input.output/file.streams/fstreams/fstream.cons/pointer.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

43 lines
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe 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_fstream
// explicit basic_fstream(const char* s, ios_base::openmode mode = ios_base::in | ios_base::out);
#include <fstream>
#include <cassert>
int main()
{
{
std::fstream fs("test.dat", std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove("test.dat");
{
std::wfstream fs("test.dat", std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove("test.dat");
}