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//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <fstream>

// basic_filebuf<charT,traits>* open(const char* s, ios_base::openmode mode);

#include <fstream>
#include <cassert>

int main()
{
    {
        std::filebuf f;
        assert(f.open("test.dat", std::ios_base::out) != 0);
        assert(f.is_open());
        assert(f.sputn("123", 3) == 3);
    }
    {
        std::filebuf f;
        assert(f.open("test.dat", std::ios_base::in) != 0);
        assert(f.is_open());
        assert(f.sbumpc() == '1');
        assert(f.sbumpc() == '2');
        assert(f.sbumpc() == '3');
    }
    remove("test.dat");
    {
        std::wfilebuf f;
        assert(f.open("test.dat", std::ios_base::out) != 0);
        assert(f.is_open());
        assert(f.sputn(L"123", 3) == 3);
    }
    {
        std::wfilebuf f;
        assert(f.open("test.dat", std::ios_base::in) != 0);
        assert(f.is_open());
        assert(f.sbumpc() == L'1');
        assert(f.sbumpc() == L'2');
        assert(f.sbumpc() == L'3');
    }
    remove("test.dat");
}    
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