//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <string> // const_reference operator[](size_type pos) const; // reference operator[](size_type pos); #ifdef _LIBCPP_DEBUG #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0)) #endif #include <string> #include <cassert> #include "min_allocator.h" int main() { { typedef std::string S; S s("0123456789"); const S& cs = s; for (S::size_type i = 0; i < cs.size(); ++i) { assert(s[i] == '0' + i); assert(cs[i] == s[i]); } assert(cs[cs.size()] == '\0'); const S s2 = S(); assert(s2[0] == '\0'); } #if __cplusplus >= 201103L { typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; S s("0123456789"); const S& cs = s; for (S::size_type i = 0; i < cs.size(); ++i) { assert(s[i] == '0' + i); assert(cs[i] == s[i]); } assert(cs[cs.size()] == '\0'); const S s2 = S(); assert(s2[0] == '\0'); } #endif #ifdef _LIBCPP_DEBUG { std::string s; char c = s[0]; assert(c == '\0'); c = s[1]; assert(false); } #endif }