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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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63
test/input.output/iostream.format/input.streams/istream.rvalue/rvalue.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <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.
//
//===----------------------------------------------------------------------===//
// <istream>
// template <class charT, class traits, class T>
// basic_istream<charT, traits>&
// operator>>(basic_istream<charT, traits>&& is, T& x);
#include <istream>
#include <cassert>
#ifdef _LIBCPP_MOVE
template <class CharT>
struct testbuf
: public std::basic_streambuf<CharT>
{
typedef std::basic_string<CharT> string_type;
typedef std::basic_streambuf<CharT> base;
private:
string_type str_;
public:
testbuf() {}
testbuf(const string_type& str)
: str_(str)
{
base::setg(const_cast<CharT*>(str_.data()),
const_cast<CharT*>(str_.data()),
const_cast<CharT*>(str_.data()) + str_.size());
}
CharT* eback() const {return base::eback();}
CharT* gptr() const {return base::gptr();}
CharT* egptr() const {return base::egptr();}
};
#endif
int main()
{
#ifdef _LIBCPP_MOVE
{
testbuf<char> sb(" 123");
int i = 0;
std::istream(&sb) >> i;
assert(i == 123);
}
{
testbuf<wchar_t> sb(L" 123");
int i = 0;
std::wistream(&sb) >> i;
assert(i == 123);
}
#endif
}