string_size.pass.cpp (6429B)
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 find(const basic_string& str, size_type pos = 0) const; 13 14 #include <string> 15 #include <cassert> 16 17 #include "test_macros.h" 18 #include "min_allocator.h" 19 20 template <class S> 21 void 22 test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) 23 { 24 assert(s.find(str, pos) == x); 25 if (x != S::npos) 26 assert(pos <= x && x + str.size() <= s.size()); 27 } 28 29 template <class S> 30 void 31 test(const S& s, const S& str, typename S::size_type x) 32 { 33 assert(s.find(str) == x); 34 if (x != S::npos) 35 assert(0 <= x && x + str.size() <= s.size()); 36 } 37 38 template <class S> 39 void test0() 40 { 41 test(S(""), S(""), 0, 0); 42 test(S(""), S("abcde"), 0, S::npos); 43 test(S(""), S("abcdeabcde"), 0, S::npos); 44 test(S(""), S("abcdeabcdeabcdeabcde"), 0, S::npos); 45 test(S(""), S(""), 1, S::npos); 46 test(S(""), S("abcde"), 1, S::npos); 47 test(S(""), S("abcdeabcde"), 1, S::npos); 48 test(S(""), S("abcdeabcdeabcdeabcde"), 1, S::npos); 49 test(S("abcde"), S(""), 0, 0); 50 test(S("abcde"), S("abcde"), 0, 0); 51 test(S("abcde"), S("abcdeabcde"), 0, S::npos); 52 test(S("abcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos); 53 test(S("abcde"), S(""), 1, 1); 54 test(S("abcde"), S("abcde"), 1, S::npos); 55 test(S("abcde"), S("abcdeabcde"), 1, S::npos); 56 test(S("abcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos); 57 test(S("abcde"), S(""), 2, 2); 58 test(S("abcde"), S("abcde"), 2, S::npos); 59 test(S("abcde"), S("abcdeabcde"), 2, S::npos); 60 test(S("abcde"), S("abcdeabcdeabcdeabcde"), 2, S::npos); 61 test(S("abcde"), S(""), 4, 4); 62 test(S("abcde"), S("abcde"), 4, S::npos); 63 test(S("abcde"), S("abcdeabcde"), 4, S::npos); 64 test(S("abcde"), S("abcdeabcdeabcdeabcde"), 4, S::npos); 65 test(S("abcde"), S(""), 5, 5); 66 test(S("abcde"), S("abcde"), 5, S::npos); 67 test(S("abcde"), S("abcdeabcde"), 5, S::npos); 68 test(S("abcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos); 69 test(S("abcde"), S(""), 6, S::npos); 70 test(S("abcde"), S("abcde"), 6, S::npos); 71 test(S("abcde"), S("abcdeabcde"), 6, S::npos); 72 test(S("abcde"), S("abcdeabcdeabcdeabcde"), 6, S::npos); 73 test(S("abcdeabcde"), S(""), 0, 0); 74 test(S("abcdeabcde"), S("abcde"), 0, 0); 75 test(S("abcdeabcde"), S("abcdeabcde"), 0, 0); 76 test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos); 77 test(S("abcdeabcde"), S(""), 1, 1); 78 test(S("abcdeabcde"), S("abcde"), 1, 5); 79 test(S("abcdeabcde"), S("abcdeabcde"), 1, S::npos); 80 test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos); 81 test(S("abcdeabcde"), S(""), 5, 5); 82 test(S("abcdeabcde"), S("abcde"), 5, 5); 83 test(S("abcdeabcde"), S("abcdeabcde"), 5, S::npos); 84 test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos); 85 test(S("abcdeabcde"), S(""), 9, 9); 86 test(S("abcdeabcde"), S("abcde"), 9, S::npos); 87 test(S("abcdeabcde"), S("abcdeabcde"), 9, S::npos); 88 test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 9, S::npos); 89 test(S("abcdeabcde"), S(""), 10, 10); 90 test(S("abcdeabcde"), S("abcde"), 10, S::npos); 91 test(S("abcdeabcde"), S("abcdeabcde"), 10, S::npos); 92 test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos); 93 test(S("abcdeabcde"), S(""), 11, S::npos); 94 test(S("abcdeabcde"), S("abcde"), 11, S::npos); 95 test(S("abcdeabcde"), S("abcdeabcde"), 11, S::npos); 96 test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 11, S::npos); 97 test(S("abcdeabcdeabcdeabcde"), S(""), 0, 0); 98 test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0, 0); 99 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0, 0); 100 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, 0); 101 test(S("abcdeabcdeabcdeabcde"), S(""), 1, 1); 102 test(S("abcdeabcdeabcdeabcde"), S("abcde"), 1, 5); 103 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 1, 5); 104 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos); 105 test(S("abcdeabcdeabcdeabcde"), S(""), 10, 10); 106 test(S("abcdeabcdeabcdeabcde"), S("abcde"), 10, 10); 107 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10, 10); 108 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos); 109 test(S("abcdeabcdeabcdeabcde"), S(""), 19, 19); 110 test(S("abcdeabcdeabcdeabcde"), S("abcde"), 19, S::npos); 111 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 19, S::npos); 112 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 19, S::npos); 113 test(S("abcdeabcdeabcdeabcde"), S(""), 20, 20); 114 test(S("abcdeabcdeabcdeabcde"), S("abcde"), 20, S::npos); 115 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 20, S::npos); 116 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 20, S::npos); 117 test(S("abcdeabcdeabcdeabcde"), S(""), 21, S::npos); 118 test(S("abcdeabcdeabcdeabcde"), S("abcde"), 21, S::npos); 119 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 21, S::npos); 120 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 21, S::npos); 121 } 122 123 template <class S> 124 void test1() 125 { 126 test(S(""), S(""), 0); 127 test(S(""), S("abcde"), S::npos); 128 test(S(""), S("abcdeabcde"), S::npos); 129 test(S(""), S("abcdeabcdeabcdeabcde"), S::npos); 130 test(S("abcde"), S(""), 0); 131 test(S("abcde"), S("abcde"), 0); 132 test(S("abcde"), S("abcdeabcde"), S::npos); 133 test(S("abcde"), S("abcdeabcdeabcdeabcde"), S::npos); 134 test(S("abcdeabcde"), S(""), 0); 135 test(S("abcdeabcde"), S("abcde"), 0); 136 test(S("abcdeabcde"), S("abcdeabcde"), 0); 137 test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), S::npos); 138 test(S("abcdeabcdeabcdeabcde"), S(""), 0); 139 test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0); 140 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0); 141 test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0); 142 } 143 144 int main() 145 { 146 { 147 typedef std::string S; 148 test0<S>(); 149 test1<S>(); 150 } 151 #if TEST_STD_VER >= 11 152 { 153 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 154 test0<S>(); 155 test1<S>(); 156 } 157 #endif 158 159 #if TEST_STD_VER > 3 160 { // LWG 2946 161 std::string s = " !"; 162 assert(s.find({"abc", 1}) == std::string::npos); 163 } 164 #endif 165 }