vendor/regex-0.2.11/tests/regression.rs

   1 // See: https://github.com/rust-lang/regex/issues/48
   2 #[test]
   3 fn invalid_regexes_no_crash() {
   4     assert!(regex_new!("(*)").is_err());
   5     assert!(regex_new!("(?:?)").is_err());
   6     assert!(regex_new!("(?)").is_err());
   7     assert!(regex_new!("*").is_err());
   8 }
   9
  10 // See: https://github.com/rust-lang/regex/issues/98
  11 #[test]
  12 fn regression_many_repeat_stack_overflow() {
  13     let re = regex!("^.{1,2500}");
  14     assert_eq!(vec![(0, 1)], findall!(re, "a"));
  15 }
  16
  17 // See: https://github.com/rust-lang/regex/issues/75
  18 mat!(regression_unsorted_binary_search_1, r"(?i)[a_]+", "A_", Some((0, 2)));
  19 mat!(regression_unsorted_binary_search_2, r"(?i)[A_]+", "a_", Some((0, 2)));
  20
  21 // See: https://github.com/rust-lang/regex/issues/99
  22 mat!(regression_negated_char_class_1, r"(?i)[^x]", "x", None);
  23 mat!(regression_negated_char_class_2, r"(?i)[^x]", "X", None);
  24
  25 // See: https://github.com/rust-lang/regex/issues/101
  26 mat!(regression_ascii_word_underscore, r"[[:word:]]", "_", Some((0, 1)));
  27
  28 // See: https://github.com/rust-lang/regex/issues/129
  29 #[test]
  30 fn regression_captures_rep() {
  31     let re = regex!(r"([a-f]){2}(?P<foo>[x-z])");
  32     let caps = re.captures(text!("abx")).unwrap();
  33     assert_eq!(match_text!(caps.name("foo").unwrap()), text!("x"));
  34 }
  35
  36 // See: https://github.com/rust-lang/regex/issues/153
  37 mat!(regression_alt_in_alt1, r"ab?|$", "az", Some((0, 1)));
  38 mat!(regression_alt_in_alt2, r"^(.*?)(\n|\r\n?|$)", "ab\rcd", Some((0, 3)));
  39
  40 // See: https://github.com/rust-lang/regex/issues/169
  41 mat!(regression_leftmost_first_prefix, r"z*azb", "azb", Some((0, 3)));
  42
  43 // See: https://github.com/rust-lang/regex/issues/76
  44 mat!(uni_case_lower_nocase_flag, r"(?i)\p{Ll}+", "ΛΘΓΔα", Some((0, 10)));
  45
  46 // See: https://github.com/rust-lang/regex/issues/191
  47 mat!(many_alternates, r"1|2|3|4|5|6|7|8|9|10|int", "int", Some((0, 3)));
  48
  49 // burntsushi was bad and didn't create an issue for this bug.
  50 mat!(anchored_prefix1, r"^a\S", "a ", None);
  51 mat!(anchored_prefix2, r"^a\S", "foo boo a ", None);
  52 mat!(anchored_prefix3, r"^-[a-z]", "r-f", None);
  53
  54 // See: https://github.com/rust-lang/regex/issues/204
  55 split!(split_on_word_boundary, r"\b", r"Should this (work?)",
  56        &[t!(""), t!("Should"), t!(" "), t!("this"),
  57          t!(" ("), t!("work"), t!("?)")]);
  58 matiter!(word_boundary_dfa, r"\b", "a b c",
  59          (0, 0), (1, 1), (2, 2), (3, 3), (4, 4), (5, 5));
  60
  61 // See: https://github.com/rust-lang/regex/issues/268
  62 matiter!(partial_anchor, r"^a|b", "ba", (0, 1));
  63
  64 // See: https://github.com/rust-lang/regex/issues/264
  65 mat!(ascii_boundary_no_capture, r"(?-u)\B", "\u{28f3e}", Some((0, 0)));
  66 mat!(ascii_boundary_capture, r"(?-u)(\B)", "\u{28f3e}", Some((0, 0)));
  67
  68 // See: https://github.com/rust-lang/regex/issues/280
  69 ismatch!(partial_anchor_alternate_begin, r"^a|z", "yyyyya", false);
  70 ismatch!(partial_anchor_alternate_end, r"a$|z", "ayyyyy", false);
  71
  72 // See: https://github.com/rust-lang/regex/issues/289
  73 mat!(lits_unambiguous1, r"(ABC|CDA|BC)X", "CDAX", Some((0, 4)));
  74
  75 // See: https://github.com/rust-lang/regex/issues/291
  76 mat!(lits_unambiguous2, r"((IMG|CAM|MG|MB2)_|(DSCN|CIMG))(?P<n>[0-9]+)$",
  77      "CIMG2341", Some((0, 8)), Some((0, 4)), None, Some((0, 4)), Some((4, 8)));
  78
  79 // See: https://github.com/rust-lang/regex/issues/271
  80 mat!(end_not_wb, r"$(?-u:\B)", "\u{5c124}\u{b576c}", Some((8, 8)));
  81 mat!(endl_or_wb, r"(?m:$)|(?-u:\b)", "\u{6084e}", Some((4, 4)));
  82 mat!(zero_or_end, r"(?i-u:\x00)|$", "\u{e682f}", Some((4, 4)));
  83 mat!(y_or_endl, r"(?i-u:y)|(?m:$)", "\u{b4331}", Some((4, 4)));
  84 mat!(wb_start_x, r"(?u:\b)^(?-u:X)", "X", Some((0, 1)));
  85
  86 // See: https://github.com/rust-lang/regex/issues/321
  87 ismatch!(strange_anchor_non_complete_prefix, r"a^{2}", "", false);
  88 ismatch!(strange_anchor_non_complete_suffix, r"${2}a", "", false);
  89
  90 // See: https://github.com/rust-lang/regex/issues/334
  91 mat!(captures_after_dfa_premature_end, r"a(b*(X|$))?", "abcbX",
  92      Some((0, 1)), None, None);
  93
  94 // See: https://github.com/rust-lang/regex/issues/437
  95 ismatch!(
  96     literal_panic,
  97     r"typename type\-parameter\-\d+\-\d+::.+",
  98     "test",
  99     false);