regression.rs - mozsearch

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// Tests that we can call the PikeVM with more slots

// than is actually in the compiled regex.

#[test]

fn too_many_slots_normal_pattern() {

    use regex_automata::{

        nfa::thompson::pikevm::PikeVM, util::primitives::NonMaxUsize,

        Anchored, Input,

};

    let expr = PikeVM::new(r"abc").unwrap();

    let s = "abc";

    let input = Input::new(s).span(0..s.len()).anchored(Anchored::Yes);

    let mut cache = expr.create_cache();

    let mut slots: Vec<Option<NonMaxUsize>> = vec![None; 4];

    let pid = expr.search_slots(&mut cache, &input, &mut slots);

    assert_eq!(pid, Some(regex_automata::PatternID::must(0)));

    assert_eq!(slots[0], Some(NonMaxUsize::new(0).unwrap()));

    assert_eq!(slots[1], Some(NonMaxUsize::new(3).unwrap()));