post.pass.cpp (5167B)
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 // <regex> 11 12 // class regex_token_iterator<BidirectionalIterator, charT, traits> 13 14 // regex_token_iterator& operator++(int); 15 16 #include <regex> 17 #include <cassert> 18 #include "test_macros.h" 19 20 int main() 21 { 22 { 23 std::regex phone_numbers("\\d{3}-\\d{4}"); 24 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end"; 25 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1, 26 phone_numbers, -1); 27 std::cregex_token_iterator i2 = i; 28 std::cregex_token_iterator i3; 29 assert(i != std::cregex_token_iterator()); 30 assert(i2 != std::cregex_token_iterator()); 31 assert(i->str() == "start "); 32 assert(i2->str() == "start "); 33 i3 = i++; 34 assert(i != std::cregex_token_iterator()); 35 assert(i2 != std::cregex_token_iterator()); 36 assert(i3 != std::cregex_token_iterator()); 37 assert(i->str() == ", "); 38 assert(i2->str() == "start "); 39 assert(i3->str() == "start "); 40 i3 = i++; 41 assert(i != std::cregex_token_iterator()); 42 assert(i2 != std::cregex_token_iterator()); 43 assert(i3 != std::cregex_token_iterator()); 44 assert(i->str() == ", "); 45 assert(i2->str() == "start "); 46 assert(i3->str() == ", "); 47 i3 = i++; 48 assert(i != std::cregex_token_iterator()); 49 assert(i2 != std::cregex_token_iterator()); 50 assert(i3 != std::cregex_token_iterator()); 51 assert(i->str() == " end"); 52 assert(i2->str() == "start "); 53 assert(i3->str() == ", "); 54 i3 = i++; 55 assert(i == std::cregex_token_iterator()); 56 assert(i2 != std::cregex_token_iterator()); 57 assert(i3 != std::cregex_token_iterator()); 58 assert(i2->str() == "start "); 59 assert(i3->str() == " end"); 60 } 61 { 62 std::regex phone_numbers("\\d{3}-\\d{4}"); 63 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end"; 64 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1, 65 phone_numbers, -1); 66 std::cregex_token_iterator i2 = i; 67 std::cregex_token_iterator i3; 68 assert(i != std::cregex_token_iterator()); 69 assert(i2 != std::cregex_token_iterator()); 70 assert(i->str() == "start "); 71 assert(i2->str() == "start "); 72 i3 = i; 73 ++i; 74 assert(i != std::cregex_token_iterator()); 75 assert(i2 != std::cregex_token_iterator()); 76 assert(i3 != std::cregex_token_iterator()); 77 assert(i->str() == ", "); 78 assert(i2->str() == "start "); 79 assert(i3->str() == "start "); 80 i3 = i; 81 ++i; 82 assert(i != std::cregex_token_iterator()); 83 assert(i2 != std::cregex_token_iterator()); 84 assert(i3 != std::cregex_token_iterator()); 85 assert(i->str() == ", "); 86 assert(i2->str() == "start "); 87 assert(i3->str() == ", "); 88 i3 = i; 89 ++i; 90 assert(i != std::cregex_token_iterator()); 91 assert(i2 != std::cregex_token_iterator()); 92 assert(i3 != std::cregex_token_iterator()); 93 assert(i->str() == " end"); 94 assert(i2->str() == "start "); 95 assert(i3->str() == ", "); 96 i3 = i; 97 ++i; 98 assert(i == std::cregex_token_iterator()); 99 assert(i2 != std::cregex_token_iterator()); 100 assert(i3 != std::cregex_token_iterator()); 101 assert(i2->str() == "start "); 102 assert(i3->str() == " end"); 103 } 104 { 105 std::regex phone_numbers("\\d{3}-\\d{4}"); 106 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end"; 107 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1, 108 phone_numbers); 109 assert(i != std::cregex_token_iterator()); 110 assert(i->str() == "555-1234"); 111 i++; 112 assert(i != std::cregex_token_iterator()); 113 assert(i->str() == "555-2345"); 114 i++; 115 assert(i != std::cregex_token_iterator()); 116 assert(i->str() == "555-3456"); 117 i++; 118 assert(i == std::cregex_token_iterator()); 119 } 120 { 121 std::regex phone_numbers("\\d{3}-(\\d{4})"); 122 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end"; 123 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1, 124 phone_numbers, 1); 125 assert(i != std::cregex_token_iterator()); 126 assert(i->str() == "1234"); 127 i++; 128 assert(i != std::cregex_token_iterator()); 129 assert(i->str() == "2345"); 130 i++; 131 assert(i != std::cregex_token_iterator()); 132 assert(i->str() == "3456"); 133 i++; 134 assert(i == std::cregex_token_iterator()); 135 } 136 }