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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.
//
//===----------------------------------------------------------------------===//
// <streambuf>
// template <class charT, class traits = char_traits<charT> >
// class basic_streambuf;
// streamsize sgetn(char_type* s, streamsize n);
#include <streambuf>
#include <cassert>
int xsgetn_called = 0;
struct test
: public std::basic_streambuf<char>
{
test() {}
protected:
std::streamsize xsgetn(char_type* s, std::streamsize n)
{
++xsgetn_called;
return 10;
}
};
int main()
{
test t;
assert(xsgetn_called == 0);
assert(t.sgetn(0, 0) == 10);
assert(xsgetn_called == 1);
}
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