1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <streambuf> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_streambuf; 14 15 // void pbump(int n); 16 17 #include <streambuf> 18 #include <cassert> 19 20 template <class CharT> 21 struct test 22 : public std::basic_streambuf<CharT> 23 { 24 typedef std::basic_streambuf<CharT> base; 25 26 test() {} 27 28 void setp(CharT* pbeg, CharT* pend) 29 { 30 base::setp(pbeg, pend); 31 } 32 33 void pbump(int n) 34 { 35 CharT* pbeg = base::pbase(); 36 CharT* pnext = base::pptr(); 37 CharT* pend = base::epptr(); 38 base::pbump(n); 39 assert(base::pbase() == pbeg); 40 assert(base::pptr() == pnext+n); 41 assert(base::epptr() == pend); 42 } 43 }; 44 45 int main() 46 { 47 { 48 test<char> t; 49 char in[] = "ABCDE"; 50 t.setp(in, in+sizeof(in)/sizeof(in[0])); 51 t.pbump(2); 52 t.pbump(1); 53 } 54 { 55 test<wchar_t> t; 56 wchar_t in[] = L"ABCDE"; 57 t.setp(in, in+sizeof(in)/sizeof(in[0])); 58 t.pbump(3); 59 t.pbump(1); 60 } 61 } 62
