forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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;
|
|
|
|
// void pbump(int n);
|
|
|
|
#include <streambuf>
|
|
#include <cassert>
|
|
|
|
template <class CharT>
|
|
struct test
|
|
: public std::basic_streambuf<CharT>
|
|
{
|
|
typedef std::basic_streambuf<CharT> base;
|
|
|
|
test() {}
|
|
|
|
void setp(CharT* pbeg, CharT* pend)
|
|
{
|
|
base::setp(pbeg, pend);
|
|
}
|
|
|
|
void pbump(int n)
|
|
{
|
|
CharT* pbeg = base::pbase();
|
|
CharT* pnext = base::pptr();
|
|
CharT* pend = base::epptr();
|
|
base::pbump(n);
|
|
assert(base::pbase() == pbeg);
|
|
assert(base::pptr() == pnext+n);
|
|
assert(base::epptr() == pend);
|
|
}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
{
|
|
test<char> t;
|
|
char in[] = "ABCDE";
|
|
t.setp(in, in+sizeof(in)/sizeof(in[0]));
|
|
t.pbump(2);
|
|
t.pbump(1);
|
|
}
|
|
{
|
|
test<wchar_t> t;
|
|
wchar_t in[] = L"ABCDE";
|
|
t.setp(in, in+sizeof(in)/sizeof(in[0]));
|
|
t.pbump(3);
|
|
t.pbump(1);
|
|
}
|
|
}
|