// A regression test for checking that minimization correctly translates // whether a state is a match state or not. Previously, it was possible for // minimization to mark a non-matching state as matching. #[test] #[cfg(not(miri))] fn minimize_sets_correct_match_states() { use regex_automata::{ dfa::{dense::DFA, Automaton, StartKind}, Anchored, Input, }; let pattern = // This is a subset of the grapheme matching regex. I couldn't seem // to get a repro any smaller than this unfortunately. r"(?x) (?: \p{gcb=Prepend}* (?: (?: (?: \p{gcb=L}* (?:\p{gcb=V}+|\p{gcb=LV}\p{gcb=V}*|\p{gcb=LVT}) \p{gcb=T}* ) | \p{gcb=L}+ | \p{gcb=T}+ ) | \p{Extended_Pictographic} (?:\p{gcb=Extend}*\p{gcb=ZWJ}\p{Extended_Pictographic})* | [^\p{gcb=Control}\p{gcb=CR}\p{gcb=LF}] ) [\p{gcb=Extend}\p{gcb=ZWJ}\p{gcb=SpacingMark}]* ) "; let dfa = DFA::builder() .configure( DFA::config().start_kind(StartKind::Anchored).minimize(true), ) .build(pattern) .unwrap(); let input = Input::new(b"\xE2").anchored(Anchored::Yes); assert_eq!(Ok(None), dfa.try_search_fwd(&input)); }