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 // size_type max_size() const; 13 14 #include <string> 15 #include <cassert> 16 17 #include "min_allocator.h" 18 19 template <class S> 20 void 21 test1(const S& s) 22 { 23 S s2(s); 24 const size_t sz = s2.max_size() - 1; 25 try { s2.resize(sz, 'x'); } 26 catch ( const std::bad_alloc & ) { return ; } 27 assert ( s2.size() == sz ); 28 } 29 30 template <class S> 31 void 32 test2(const S& s) 33 { 34 S s2(s); 35 const size_t sz = s2.max_size(); 36 try { s2.resize(sz, 'x'); } 37 catch ( const std::bad_alloc & ) { return ; } 38 assert ( s.size() == sz ); 39 } 40 41 template <class S> 42 void 43 test3(const S& s) 44 { 45 S s2(s); 46 const size_t sz = s2.max_size() + 1; 47 try { s2.resize(sz, 'x'); } 48 catch ( const std::length_error & ) { return ; } 49 assert ( false ); 50 } 51 52 template <class S> 53 void 54 test(const S& s) 55 { 56 assert(s.max_size() >= s.size()); 57 test1(s); 58 test2(s); 59 test3(s); 60 } 61 62 int main() 63 { 64 { 65 typedef std::string S; 66 test(S()); 67 test(S("123")); 68 test(S("12345678901234567890123456789012345678901234567890")); 69 } 70 #if __cplusplus >= 201103L 71 { 72 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 73 test(S()); 74 test(S("123")); 75 test(S("12345678901234567890123456789012345678901234567890")); 76 } 77 #endif 78 } 79
