ceph/src/boost/libs/regex/test/regress/test_escapes.cpp

   1 /*
   2  *
   3  * Copyright (c) 2004
   4  * John Maddock
   5  *
   6  * Use, modification and distribution are subject to the
   7  * Boost Software License, Version 1.0. (See accompanying file
   8  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9  *
  10  */
  11
  12 #include "test.hpp"
  13
  14 #ifdef BOOST_MSVC
  15 #pragma warning(disable:4127 4428)
  16 #endif
  17
  18 void test_character_escapes()
  19 {
  20    using namespace boost::regex_constants;
  21    // characters by code
  22    TEST_REGEX_SEARCH("\\0101", perl, "A", match_default, make_array(0, 1, -2, -2));
  23    TEST_REGEX_SEARCH("\\00", perl, "\0", match_default, make_array(0, 1, -2, -2));
  24    TEST_REGEX_SEARCH("\\0", perl, "\0", match_default, make_array(0, 1, -2, -2));
  25    TEST_REGEX_SEARCH("\\0172", perl, "z", match_default, make_array(0, 1, -2, -2));
  26    // extra escape sequences:
  27    TEST_REGEX_SEARCH("\\a", perl, "\a", match_default, make_array(0, 1, -2, -2));
  28    TEST_REGEX_SEARCH("\\f", perl, "\f", match_default, make_array(0, 1, -2, -2));
  29    TEST_REGEX_SEARCH("\\n", perl, "\n", match_default, make_array(0, 1, -2, -2));
  30    TEST_REGEX_SEARCH("\\r", perl, "\r", match_default, make_array(0, 1, -2, -2));
  31    TEST_REGEX_SEARCH("\\v", perl, "\v", match_default, make_array(0, 1, -2, -2));
  32    TEST_REGEX_SEARCH("\\t", perl, "\t", match_default, make_array(0, 1, -2, -2));
  33
  34    // updated tests for version 2:
  35    TEST_REGEX_SEARCH("\\x41", perl, "A", match_default, make_array(0, 1, -2, -2));
  36    TEST_REGEX_SEARCH("\\xff", perl, "\xff", match_default, make_array(0, 1, -2, -2));
  37    TEST_REGEX_SEARCH("\\xFF", perl, "\xff", match_default, make_array(0, 1, -2, -2));
  38    TEST_REGEX_SEARCH("\\c@", perl, "\0", match_default, make_array(0, 1, -2, -2));
  39    TEST_REGEX_SEARCH("\\cA", perl, "\x1", match_default, make_array(0, 1, -2, -2));
  40    //TEST_REGEX_SEARCH("\\cz", perl, "\x3A", match_default, make_array(0, 1, -2, -2));
  41    //TEST_INVALID_REGEX("\\c=", boost::regex::extended);
  42    //TEST_INVALID_REGEX("\\c?", boost::regex::extended);
  43    TEST_REGEX_SEARCH("=:", perl, "=:", match_default, make_array(0, 2, -2, -2));
  44
  45    TEST_REGEX_SEARCH("\\e", perl, "\x1B", match_default, make_array(0, 1, -2, -2));
  46    TEST_REGEX_SEARCH("\\x1b", perl, "\x1B", match_default, make_array(0, 1, -2, -2));
  47    TEST_REGEX_SEARCH("\\x{1b}", perl, "\x1B", match_default, make_array(0, 1, -2, -2));
  48    TEST_INVALID_REGEX("\\x{}", perl);
  49    TEST_INVALID_REGEX("\\x{", perl);
  50    TEST_INVALID_REGEX("\\", perl);
  51    TEST_INVALID_REGEX("\\c", perl);
  52    TEST_INVALID_REGEX("\\x}", perl);
  53    TEST_INVALID_REGEX("\\x", perl);
  54    TEST_INVALID_REGEX("\\x{yy", perl);
  55    TEST_INVALID_REGEX("\\x{1b", perl);
  56    // \Q...\E sequences:
  57    TEST_INVALID_REGEX("\\Qabc\\", perl);
  58    TEST_REGEX_SEARCH("\\Qabc\\E", perl, "abcd", match_default, make_array(0, 3, -2, -2));
  59    TEST_REGEX_SEARCH("\\Qabc\\Ed", perl, "abcde", match_default, make_array(0, 4, -2, -2));
  60    TEST_REGEX_SEARCH("\\Q+*?\\\\E", perl, "+*?\\", match_default, make_array(0, 4, -2, -2));
  61    TEST_REGEX_SEARCH("a\\Q+*?\\\\Eb", perl, "a+*?\\b", match_default, make_array(0, 6, -2, -2));
  62    TEST_REGEX_SEARCH("\\C+", perl, "abcde", match_default, make_array(0, 5, -2, -2));
  63    TEST_REGEX_SEARCH("\\X+", perl, "abcde", match_default, make_array(0, 5, -2, -2));
  64 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x560)
  65    TEST_REGEX_SEARCH_W(L"\\X", perl, L"a\x0300\x0301", match_default, make_array(0, 3, -2, -2));
  66 #endif
  67    // unknown escape sequences match themselves:
  68    TEST_REGEX_SEARCH("\\~", perl, "~", match_default, make_array(0, 1, -2, -2));
  69    TEST_REGEX_SEARCH("\\~", basic, "~", match_default, make_array(0, 1, -2, -2));
  70    TEST_REGEX_SEARCH("\\~", boost::regex::extended, "~", match_default, make_array(0, 1, -2, -2));
  71    TEST_REGEX_SEARCH("\\j", boost::regex::extended, "j", match_default, make_array(0, 1, -2, -2));
  72 }
  73
  74 void test_assertion_escapes()
  75 {
  76    using namespace boost::regex_constants;
  77    // word start:
  78    TEST_REGEX_SEARCH("\\<abcd", perl, "  abcd", match_default, make_array(2, 6, -2, -2));
  79    TEST_REGEX_SEARCH("\\<ab", perl, "cab", match_default, make_array(-2, -2));
  80    TEST_REGEX_SEARCH("\\<ab", perl, "\nab", match_default, make_array(1, 3, -2, -2));
  81    TEST_REGEX_SEARCH("\\<tag", perl, "::tag", match_default, make_array(2, 5, -2, -2));
  82    TEST_REGEX_SEARCH("\\<abcd", perl, "abcd", match_default|match_not_bow, make_array(-2, -2));
  83    TEST_REGEX_SEARCH("\\<abcd", perl, "  abcd", match_default|match_not_bow, make_array(2, 6, -2, -2));
  84    TEST_REGEX_SEARCH("\\<", perl, "ab ", match_default|match_not_bow, make_array(-2, -2));
  85    TEST_REGEX_SEARCH(".\\<.", perl, "ab", match_default|match_not_bow, make_array(-2, -2));
  86    TEST_REGEX_SEARCH(".\\<.", perl, " b", match_default|match_not_bow, make_array(0, 2, -2, -2));
  87    // word end:
  88    TEST_REGEX_SEARCH("abc\\>", perl, "abc", match_default, make_array(0, 3, -2, -2));
  89    TEST_REGEX_SEARCH("abc\\>", perl, "abcd", match_default, make_array(-2, -2));
  90    TEST_REGEX_SEARCH("abc\\>", perl, "abc\n", match_default, make_array(0, 3, -2, -2));
  91    TEST_REGEX_SEARCH("abc\\>", perl, "abc::", match_default, make_array(0,3, -2, -2));
  92    TEST_REGEX_SEARCH("abc(?:\\>..|$)", perl, "abc::", match_default, make_array(0, 5, -2, -2));
  93    TEST_REGEX_SEARCH("\\>", perl, "  ", match_default, make_array(-2, -2));
  94    TEST_REGEX_SEARCH(".\\>.", perl, "  ", match_default, make_array(-2, -2));
  95    TEST_REGEX_SEARCH("abc\\>", perl, "abc", match_default|match_not_eow, make_array(-2, -2));
  96    // word boundary:
  97    TEST_REGEX_SEARCH("\\babcd", perl, "  abcd", match_default, make_array(2, 6, -2, -2));
  98    TEST_REGEX_SEARCH("\\bab", perl, "cab", match_default, make_array(-2, -2));
  99    TEST_REGEX_SEARCH("\\bab", perl, "\nab", match_default, make_array(1, 3, -2, -2));
 100    TEST_REGEX_SEARCH("\\btag", perl, "::tag", match_default, make_array(2, 5, -2, -2));
 101    TEST_REGEX_SEARCH("abc\\b", perl, "abc", match_default, make_array(0, 3, -2, -2));
 102    TEST_REGEX_SEARCH("abc\\b", perl, "abcd", match_default, make_array(-2, -2));
 103    TEST_REGEX_SEARCH("abc\\b", perl, "abc\n", match_default, make_array(0, 3, -2, -2));
 104    TEST_REGEX_SEARCH("abc\\b", perl, "abc::", match_default, make_array(0, 3, -2, -2));
 105    TEST_REGEX_SEARCH("\\babcd", perl, "abcd", match_default|match_not_bow, make_array(-2, -2));
 106    // within word:
 107    TEST_REGEX_SEARCH("\\B", perl, "ab", match_default, make_array(1, 1, -2, -2));
 108    TEST_REGEX_SEARCH("a\\Bb", perl, "ab", match_default, make_array(0, 2, -2, -2));
 109    TEST_REGEX_SEARCH("a\\B", perl, "ab", match_default, make_array(0, 1, -2, -2));
 110    TEST_REGEX_SEARCH("a\\B", perl, "a", match_default, make_array(-2, -2));
 111    TEST_REGEX_SEARCH("a\\B", perl, "a ", match_default, make_array(-2, -2));
 112    TEST_REGEX_SEARCH("\\By\\b", perl, "xy", match_default, make_array(1, 2, -2, -2));
 113    TEST_REGEX_SEARCH("\\by\\B", perl, "yz", match_default, make_array(0, 1, -2, -2));
 114    TEST_REGEX_SEARCH("\\B\\*\\B", perl, " * ", match_default, make_array(1, 2, -2, -2));
 115    // buffer operators:
 116    TEST_REGEX_SEARCH("\\`abc", perl, "abc", match_default, make_array(0, 3, -2, -2));
 117    TEST_REGEX_SEARCH("\\`abc", perl, "\nabc", match_default, make_array(-2, -2));
 118    TEST_REGEX_SEARCH("\\`abc", perl, " abc", match_default, make_array(-2, -2));
 119    TEST_REGEX_SEARCH("abc\\'", perl, "abc", match_default, make_array(0, 3, -2, -2));
 120    TEST_REGEX_SEARCH("abc\\'", perl, "abc\n", match_default, make_array(-2, -2));
 121    TEST_REGEX_SEARCH("abc\\'", perl, "abc ", match_default, make_array(-2, -2));
 122    TEST_REGEX_SEARCH("abc(?:\\'|$)", perl, "abc", match_default, make_array(0, 3, -2, -2));
 123
 124    // word start:
 125    TEST_REGEX_SEARCH("[[:<:]]abcd", perl, "  abcd", match_default, make_array(2, 6, -2, -2));
 126    TEST_REGEX_SEARCH("[[:<:]]ab", perl, "cab", match_default, make_array(-2, -2));
 127    TEST_REGEX_SEARCH("[[:<:]]ab", perl, "\nab", match_default, make_array(1, 3, -2, -2));
 128    TEST_REGEX_SEARCH("[[:<:]]tag", perl, "::tag", match_default, make_array(2, 5, -2, -2));
 129    // word end
 130    TEST_REGEX_SEARCH("abc[[:>:]]", perl, "abc", match_default, make_array(0, 3, -2, -2));
 131    TEST_REGEX_SEARCH("abc[[:>:]]", perl, "abcd", match_default, make_array(-2, -2));
 132    TEST_REGEX_SEARCH("abc[[:>:]]", perl, "abc\n", match_default, make_array(0, 3, -2, -2));
 133    TEST_REGEX_SEARCH("abc[[:>:]]", perl, "abc::", match_default, make_array(0, 3, -2, -2));
 134
 135    TEST_REGEX_SEARCH("\\Aabc", perl, "abc", match_default, make_array(0, 3, -2, -2));
 136    TEST_REGEX_SEARCH("\\Aabc", perl, "aabc", match_default, make_array(-2, -2));
 137    TEST_REGEX_SEARCH("abc\\z", perl, "abc", match_default, make_array(0, 3, -2, -2));
 138    TEST_REGEX_SEARCH("abc\\z", perl, "abcd", match_default, make_array(-2, -2));
 139    TEST_REGEX_SEARCH("abc\\Z", perl, "abc\n\n", match_default, make_array(0, 3, -2, -2));
 140    TEST_REGEX_SEARCH("abc\\Z", perl, "abc\n\n", match_default|match_not_eob, make_array(-2, -2));
 141    TEST_REGEX_SEARCH("abc\\Z", perl, "abc", match_default, make_array(0, 3, -2, -2));
 142    TEST_REGEX_SEARCH("\\Gabc", perl, "abc", match_default, make_array(0, 3, -2, -2));
 143    TEST_REGEX_SEARCH("\\Gabc", perl, "dabcd", match_default, make_array(-2, -2));
 144    TEST_REGEX_SEARCH("a\\Gbc", perl, "abc", match_default, make_array(-2, -2));
 145    TEST_REGEX_SEARCH("a\\Aab", perl, "abc", match_default, make_array(-2, -2));
 146    TEST_REGEX_SEARCH("abc(?:\\Z|$)", perl, "abc\n\n", match_default, make_array(0, 3, -2, -2));
 147
 148    // Buffer reset \K:
 149    TEST_REGEX_SEARCH("(foo)\\Kbar", perl, "foobar", match_default, make_array(3, 6, 0, 3, -2, -2));
 150    TEST_REGEX_SEARCH("(foo)(\\Kbar|baz)", perl, "foobar", match_default, make_array(3, 6, 0, 3, 3, 6, -2, -2));
 151    TEST_REGEX_SEARCH("(foo)(\\Kbar|baz)", perl, "foobaz", match_default, make_array(0, 6, 0, 3, 3, 6, -2, -2));
 152    TEST_REGEX_SEARCH("(foo\\Kbar)baz", perl, "foobarbaz", match_default, make_array(3, 9, 0, 6, -2, -2));
 153
 154    // Line ending \R:
 155    TEST_REGEX_SEARCH("\\R", perl, "foo\nbar", match_default, make_array(3, 4, -2, -2));
 156    TEST_REGEX_SEARCH("\\R", perl, "foo\rbar", match_default, make_array(3, 4, -2, -2));
 157    TEST_REGEX_SEARCH("\\R", perl, "foo\r\nbar", match_default, make_array(3, 5, -2, -2));
 158    TEST_REGEX_SEARCH("(?x) abc \\R", perl, "abc\r\nbar", match_default, make_array(0, 5, -2, -2));
 159    TEST_REGEX_SEARCH("(?x) abc \\R", perl, "abc\012bar", match_default, make_array(0, 4, -2, -2));
 160    TEST_REGEX_SEARCH("(?x) abc \\R", perl, "abc\013bar", match_default, make_array(0, 4, -2, -2));
 161    TEST_REGEX_SEARCH("(?x) abc \\R", perl, "abc\013bar", match_default, make_array(0, 4, -2, -2));
 162    TEST_REGEX_SEARCH("(?x) abc \\R", perl, "abc\205bar", match_default, make_array(0, 4, -2, -2));
 163    // see if \u works:
 164    const wchar_t* w = L"\u2028";
 165    if(*w == 0x2028u)
 166    {
 167       TEST_REGEX_SEARCH_W(L"\\R", perl, L"foo\u2028bar", match_default, make_array(3, 4, -2, -2));
 168       TEST_REGEX_SEARCH_W(L"\\R", perl, L"foo\u2029bar", match_default, make_array(3, 4, -2, -2));
 169       TEST_REGEX_SEARCH_W(L"(?x) abc \\R", perl, L"abc\u2028bar", match_default, make_array(0, 4, -2, -2));
 170       TEST_REGEX_SEARCH_W(L"(?x) abc \\R", perl, L"abc\u2029bar", match_default, make_array(0, 4, -2, -2));
 171    }
 172 }
 173