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Diffstat (limited to 'third_party/rust/regex/tests/regression.rs')
| -rw-r--r-- | third_party/rust/regex/tests/regression.rs | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/third_party/rust/regex/tests/regression.rs b/third_party/rust/regex/tests/regression.rs new file mode 100644 index 0000000000..e8b2525385 --- /dev/null +++ b/third_party/rust/regex/tests/regression.rs @@ -0,0 +1,222 @@ +// See: https://github.com/rust-lang/regex/issues/48 +#[test] +fn invalid_regexes_no_crash() { + assert!(regex_new!("(*)").is_err()); + assert!(regex_new!("(?:?)").is_err()); + assert!(regex_new!("(?)").is_err()); + assert!(regex_new!("*").is_err()); +} + +// See: https://github.com/rust-lang/regex/issues/98 +#[test] +fn regression_many_repeat_stack_overflow() { + let re = regex!("^.{1,2500}"); + assert_eq!(vec![(0, 1)], findall!(re, "a")); +} + +// See: https://github.com/rust-lang/regex/issues/555 +#[test] +fn regression_invalid_repetition_expr() { + assert!(regex_new!("(?m){1,1}").is_err()); +} + +// See: https://github.com/rust-lang/regex/issues/527 +#[test] +fn regression_invalid_flags_expression() { + assert!(regex_new!("(((?x)))").is_ok()); +} + +// See: https://github.com/rust-lang/regex/issues/75 +mat!(regression_unsorted_binary_search_1, r"(?i-u)[a_]+", "A_", Some((0, 2))); +mat!(regression_unsorted_binary_search_2, r"(?i-u)[A_]+", "a_", Some((0, 2))); + +// See: https://github.com/rust-lang/regex/issues/99 +#[cfg(feature = "unicode-case")] +mat!(regression_negated_char_class_1, r"(?i)[^x]", "x", None); +#[cfg(feature = "unicode-case")] +mat!(regression_negated_char_class_2, r"(?i)[^x]", "X", None); + +// See: https://github.com/rust-lang/regex/issues/101 +mat!(regression_ascii_word_underscore, r"[[:word:]]", "_", Some((0, 1))); + +// See: https://github.com/rust-lang/regex/issues/129 +#[test] +fn regression_captures_rep() { + let re = regex!(r"([a-f]){2}(?P<foo>[x-z])"); + let caps = re.captures(text!("abx")).unwrap(); + assert_eq!(match_text!(caps.name("foo").unwrap()), text!("x")); +} + +// See: https://github.com/rust-lang/regex/issues/153 +mat!(regression_alt_in_alt1, r"ab?|$", "az", Some((0, 1))); +mat!(regression_alt_in_alt2, r"^(.*?)(\n|\r\n?|$)", "ab\rcd", Some((0, 3))); + +// See: https://github.com/rust-lang/regex/issues/169 +mat!(regression_leftmost_first_prefix, r"z*azb", "azb", Some((0, 3))); + +// See: https://github.com/rust-lang/regex/issues/76 +#[cfg(all(feature = "unicode-case", feature = "unicode-gencat"))] +mat!(uni_case_lower_nocase_flag, r"(?i)\p{Ll}+", "ΛΘΓΔα", Some((0, 10))); + +// See: https://github.com/rust-lang/regex/issues/191 +mat!(many_alternates, r"1|2|3|4|5|6|7|8|9|10|int", "int", Some((0, 3))); + +// burntsushi was bad and didn't create an issue for this bug. +mat!(anchored_prefix1, r"^a[[:^space:]]", "a ", None); +mat!(anchored_prefix2, r"^a[[:^space:]]", "foo boo a ", None); +mat!(anchored_prefix3, r"^-[a-z]", "r-f", None); + +// See: https://github.com/rust-lang/regex/issues/204 +#[cfg(feature = "unicode-perl")] +split!( + split_on_word_boundary, + r"\b", + r"Should this (work?)", + &[ + t!(""), + t!("Should"), + t!(" "), + t!("this"), + t!(" ("), + t!("work"), + t!("?)") + ] +); +#[cfg(feature = "unicode-perl")] +matiter!( + word_boundary_dfa, + r"\b", + "a b c", + (0, 0), + (1, 1), + (2, 2), + (3, 3), + (4, 4), + (5, 5) +); + +// See: https://github.com/rust-lang/regex/issues/268 +matiter!(partial_anchor, r"^a|b", "ba", (0, 1)); + +// See: https://github.com/rust-lang/regex/issues/280 +ismatch!(partial_anchor_alternate_begin, r"^a|z", "yyyyya", false); +ismatch!(partial_anchor_alternate_end, r"a$|z", "ayyyyy", false); + +// See: https://github.com/rust-lang/regex/issues/289 +mat!(lits_unambiguous1, r"(ABC|CDA|BC)X", "CDAX", Some((0, 4))); + +// See: https://github.com/rust-lang/regex/issues/291 +mat!( + lits_unambiguous2, + r"((IMG|CAM|MG|MB2)_|(DSCN|CIMG))(?P<n>[0-9]+)$", + "CIMG2341", + Some((0, 8)), + Some((0, 4)), + None, + Some((0, 4)), + Some((4, 8)) +); + +// See: https://github.com/rust-lang/regex/issues/271 +mat!(endl_or_wb, r"(?m:$)|(?-u:\b)", "\u{6084e}", Some((4, 4))); +mat!(zero_or_end, r"(?i-u:\x00)|$", "\u{e682f}", Some((4, 4))); +mat!(y_or_endl, r"(?i-u:y)|(?m:$)", "\u{b4331}", Some((4, 4))); +#[cfg(feature = "unicode-perl")] +mat!(wb_start_x, r"(?u:\b)^(?-u:X)", "X", Some((0, 1))); + +// See: https://github.com/rust-lang/regex/issues/321 +ismatch!(strange_anchor_non_complete_prefix, r"a^{2}", "", false); +ismatch!(strange_anchor_non_complete_suffix, r"${2}a", "", false); + +// See: https://github.com/BurntSushi/ripgrep/issues/1203 +ismatch!(reverse_suffix1, r"[0-4][0-4][0-4]000", "153.230000", true); +ismatch!(reverse_suffix2, r"[0-9][0-9][0-9]000", "153.230000\n", true); +matiter!(reverse_suffix3, r"[0-9][0-9][0-9]000", "153.230000\n", (4, 10)); + +// See: https://github.com/rust-lang/regex/issues/334 +// See: https://github.com/rust-lang/regex/issues/557 +mat!( + captures_after_dfa_premature_end1, + r"a(b*(X|$))?", + "abcbX", + Some((0, 1)), + None, + None +); +mat!( + captures_after_dfa_premature_end2, + r"a(bc*(X|$))?", + "abcbX", + Some((0, 1)), + None, + None +); +mat!(captures_after_dfa_premature_end3, r"(aa$)?", "aaz", Some((0, 0))); + +// See: https://github.com/rust-lang/regex/issues/437 +ismatch!( + literal_panic, + r"typename type\-parameter\-[0-9]+\-[0-9]+::.+", + "test", + false +); + +// See: https://github.com/rust-lang/regex/issues/533 +ismatch!( + blank_matches_nothing_between_space_and_tab, + r"[[:blank:]]", + "\u{a}\u{b}\u{c}\u{d}\u{e}\u{f}\ + \u{10}\u{11}\u{12}\u{13}\u{14}\u{15}\u{16}\u{17}\ + \u{18}\u{19}\u{1a}\u{1b}\u{1c}\u{1d}\u{1e}\u{1f}", + false +); + +ismatch!( + inverted_blank_matches_everything_between_space_and_tab, + r"^[[:^blank:]]+$", + "\u{a}\u{b}\u{c}\u{d}\u{e}\u{f}\ + \u{10}\u{11}\u{12}\u{13}\u{14}\u{15}\u{16}\u{17}\ + \u{18}\u{19}\u{1a}\u{1b}\u{1c}\u{1d}\u{1e}\u{1f}", + true +); + +// Tests that our Aho-Corasick optimization works correctly. It only +// kicks in when we have >32 literals. By "works correctly," we mean that +// leftmost-first match semantics are properly respected. That is, samwise +// should match, not sam. +mat!( + ahocorasick1, + "samwise|sam|a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z|\ + A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z", + "samwise", + Some((0, 7)) +); + +// See: https://github.com/BurntSushi/ripgrep/issues/1247 +#[test] +#[cfg(feature = "unicode-perl")] +fn regression_nfa_stops1() { + let re = ::regex::bytes::Regex::new(r"\bs(?:[ab])").unwrap(); + assert_eq!(0, re.find_iter(b"s\xE4").count()); +} + +// See: https://github.com/rust-lang/regex/issues/640 +#[cfg(feature = "unicode-case")] +matiter!( + flags_are_unset, + r"((?i)foo)|Bar", + "foo Foo bar Bar", + (0, 3), + (4, 7), + (12, 15) +); + +// See: https://github.com/rust-lang/regex/issues/659 +// +// Note that 'Ј' is not 'j', but cyrillic Je +// https://en.wikipedia.org/wiki/Je_(Cyrillic) +ismatch!(empty_group_match, r"()Ј01", "zЈ01", true); +matiter!(empty_group_find, r"()Ј01", "zЈ01", (1, 5)); + +// See: https://github.com/rust-lang/regex/issues/862 +mat!(non_greedy_question_literal, r"ab??", "ab", Some((0, 1))); |