overflow.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b
1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <strstream> 11 12// class strstreambuf 13 14// int_type overflow(int_type c = EOF); 15 16#include <strstream> 17#include <cassert> 18 19int main() 20{ 21 { 22 char buf[12] = "abc"; 23 std::strstreambuf sb(buf, sizeof(buf), buf); 24 assert(sb.sputc('1') == '1'); 25 assert(sb.str() == std::string("1bc")); 26 assert(sb.sputc('2') == '2'); 27 assert(sb.str() == std::string("12c")); 28 assert(sb.sputc('3') == '3'); 29 assert(sb.str() == std::string("123")); 30 assert(sb.sputc('4') == '4'); 31 assert(sb.str() == std::string("1234")); 32 assert(sb.sputc('5') == '5'); 33 assert(sb.str() == std::string("12345")); 34 assert(sb.sputc('6') == '6'); 35 assert(sb.str() == std::string("123456")); 36 assert(sb.sputc('7') == '7'); 37 assert(sb.str() == std::string("1234567")); 38 assert(sb.sputc('8') == '8'); 39 assert(sb.str() == std::string("12345678")); 40 assert(sb.sputc('9') == '9'); 41 assert(sb.str() == std::string("123456789")); 42 assert(sb.sputc('0') == '0'); 43 assert(sb.str() == std::string("1234567890")); 44 assert(sb.sputc('1') == '1'); 45 assert(sb.str() == std::string("12345678901")); 46 } 47} 48