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 // <ios> 11 12 // class ios_base 13 14 // void*& pword(int idx); 15 16 #include <ios> 17 #include <string> 18 #include <cassert> 19 #include <cstdint> 20 21 class test 22 : public std::ios 23 { 24 public: 25 test() 26 { 27 init(0); 28 } 29 }; 30 31 int main() 32 { 33 test t; 34 std::ios_base& b = t; 35 for (std::intptr_t i = 0; i < 10000; ++i) 36 { 37 assert(b.pword(i) == 0); 38 b.pword(i) = (void*)i; 39 assert(b.pword(i) == (void*)i); 40 for (std::intptr_t j = 0; j <= i; ++j) 41 assert(b.pword(j) == (void*)j); 42 } 43 } 44
