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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <streambuf>
// template <class charT, class traits = char_traits<charT> >
// class basic_streambuf;
// streamsize xsputn(const char_type* s, streamsize n);
#include <streambuf>
#include <cassert>
struct test
: public std::basic_streambuf<char>
{
typedef std::basic_streambuf<char> base;
test() {}
void setp(char* pbeg, char* pend)
{
base::setp(pbeg, pend);
}
};
int main()
{
{
test t;
char in[] = "123456";
assert(t.sputn(in, sizeof(in)) == 0);
char out[sizeof(in)] = {0};
t.setp(out, out+sizeof(out));
assert(t.sputn(in, sizeof(in)) == sizeof(in));
assert(strcmp(in, out) == 0);
}
}
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