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 // template<class InputIterator> 13 // basic_string& assign(InputIterator first, InputIterator last); 14 15 #include <string> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "test_iterators.h" 20 #include "min_allocator.h" 21 22 template <class S, class It> 23 void 24 test(S s, It first, It last, S expected) 25 { 26 s.assign(first, last); 27 LIBCPP_ASSERT(s.__invariants()); 28 assert(s == expected); 29 } 30 31 #ifndef TEST_HAS_NO_EXCEPTIONS 32 template <class S, class It> 33 void 34 test_exceptions(S s, It first, It last) 35 { 36 S aCopy = s; 37 try { 38 s.assign(first, last); 39 assert(false); 40 } 41 catch (...) {} 42 LIBCPP_ASSERT(s.__invariants()); 43 assert(s == aCopy); 44 } 45 #endif 46 47 int main() 48 { 49 { 50 typedef std::string S; 51 const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; 52 test(S(), s, s, S()); 53 test(S(), s, s+1, S("A")); 54 test(S(), s, s+10, S("ABCDEFGHIJ")); 55 test(S(), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 56 57 test(S("12345"), s, s, S()); 58 test(S("12345"), s, s+1, S("A")); 59 test(S("12345"), s, s+10, S("ABCDEFGHIJ")); 60 test(S("12345"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 61 62 test(S("1234567890"), s, s, S()); 63 test(S("1234567890"), s, s+1, S("A")); 64 test(S("1234567890"), s, s+10, S("ABCDEFGHIJ")); 65 test(S("1234567890"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 66 67 test(S("12345678901234567890"), s, s, S()); 68 test(S("12345678901234567890"), s, s+1, S("A")); 69 test(S("12345678901234567890"), s, s+10, S("ABCDEFGHIJ")); 70 test(S("12345678901234567890"), s, s+52, 71 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 72 73 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s), S()); 74 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+1), S("A")); 75 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 76 S("ABCDEFGHIJ")); 77 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 78 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 79 80 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s), 81 S()); 82 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), 83 S("A")); 84 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 85 S("ABCDEFGHIJ")); 86 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 87 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 88 89 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), 90 S()); 91 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), 92 S("A")); 93 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 94 S("ABCDEFGHIJ")); 95 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 96 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 97 98 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), 99 S()); 100 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), 101 S("A")); 102 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 103 S("ABCDEFGHIJ")); 104 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 105 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 106 } 107 #if TEST_STD_VER >= 11 108 { 109 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 110 const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; 111 test(S(), s, s, S()); 112 test(S(), s, s+1, S("A")); 113 test(S(), s, s+10, S("ABCDEFGHIJ")); 114 test(S(), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 115 116 test(S("12345"), s, s, S()); 117 test(S("12345"), s, s+1, S("A")); 118 test(S("12345"), s, s+10, S("ABCDEFGHIJ")); 119 test(S("12345"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 120 121 test(S("1234567890"), s, s, S()); 122 test(S("1234567890"), s, s+1, S("A")); 123 test(S("1234567890"), s, s+10, S("ABCDEFGHIJ")); 124 test(S("1234567890"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 125 126 test(S("12345678901234567890"), s, s, S()); 127 test(S("12345678901234567890"), s, s+1, S("A")); 128 test(S("12345678901234567890"), s, s+10, S("ABCDEFGHIJ")); 129 test(S("12345678901234567890"), s, s+52, 130 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 131 132 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s), S()); 133 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+1), S("A")); 134 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 135 S("ABCDEFGHIJ")); 136 test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 137 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 138 139 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s), 140 S()); 141 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), 142 S("A")); 143 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 144 S("ABCDEFGHIJ")); 145 test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 146 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 147 148 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), 149 S()); 150 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), 151 S("A")); 152 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 153 S("ABCDEFGHIJ")); 154 test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 155 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 156 157 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), 158 S()); 159 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), 160 S("A")); 161 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), 162 S("ABCDEFGHIJ")); 163 test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), 164 S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); 165 } 166 #endif 167 #ifndef TEST_HAS_NO_EXCEPTIONS 168 { // test iterator operations that throw 169 typedef std::string S; 170 typedef ThrowingIterator<char> TIter; 171 typedef input_iterator<TIter> IIter; 172 const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; 173 test_exceptions(S(), IIter(TIter(s, s+10, 4, TIter::TAIncrement)), IIter()); 174 test_exceptions(S(), IIter(TIter(s, s+10, 5, TIter::TADereference)), IIter()); 175 test_exceptions(S(), IIter(TIter(s, s+10, 6, TIter::TAComparison)), IIter()); 176 177 test_exceptions(S(), TIter(s, s+10, 4, TIter::TAIncrement), TIter()); 178 test_exceptions(S(), TIter(s, s+10, 5, TIter::TADereference), TIter()); 179 test_exceptions(S(), TIter(s, s+10, 6, TIter::TAComparison), TIter()); 180 } 181 #endif 182 } 183
