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// <strstream> 11 12// class strstreambuf 13 14// void freeze(bool freezefl = true); 15 16#include <strstream> 17#include <cassert> 18 19int main() 20{ 21 { 22 std::strstreambuf sb; 23 sb.freeze(true); 24 assert(sb.sputc('a') == EOF); 25 sb.freeze(false); 26 assert(sb.sputc('a') == 'a'); 27 } 28} 29