f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <fstream>
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// template <class charT, class traits = char_traits<charT> >
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// class basic_fstream
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// explicit basic_fstream(const char* s, ios_base::openmode mode = ios_base::in | ios_base::out);
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#include <fstream>
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#include <cassert>
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int main()
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{
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{
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std::fstream fs("test.dat", std::ios_base::in | std::ios_base::out
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| std::ios_base::trunc);
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double x = 0;
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fs << 3.25;
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fs.seekg(0);
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fs >> x;
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assert(x == 3.25);
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}
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std::remove("test.dat");
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{
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std::wfstream fs("test.dat", std::ios_base::in | std::ios_base::out
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| std::ios_base::trunc);
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double x = 0;
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fs << 3.25;
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fs.seekg(0);
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fs >> x;
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assert(x == 3.25);
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}
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std::remove("test.dat");
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}
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