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 // <string> 11 12 // Call front() on empty container. 13 14 #if _LIBCPP_DEBUG >= 1 15 16 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0)) 17 18 #include <string> 19 #include <cassert> 20 #include <iterator> 21 #include <exception> 22 #include <cstdlib> 23 24 #include "min_allocator.h" 25 main()26int main() 27 { 28 { 29 typedef std::string S; 30 S s(1, '\0'); 31 assert(s.front() == 0); 32 s.clear(); 33 assert(s.front() == 0); 34 assert(false); 35 } 36 #if __cplusplus >= 201103L 37 { 38 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 39 S s(1, '\0'); 40 assert(s.front() == 0); 41 s.clear(); 42 assert(s.front() == 0); 43 assert(false); 44 } 45 #endif 46 } 47 48 #else 49 main()50int main() 51 { 52 } 53 54 #endif 55