#![no_main]

use gix_revision::spec::parse::{delegate, Delegate};

use libfuzzer_sys::fuzz_target;

use bstr::BStr;

use gix_error::Exn;

fuzz_target!(|data: &[u8]| {

    drop(gix_revision::spec::parse(data.into(), &mut Noop));

});

struct Noop;

impl Delegate for Noop {

    fn done(&mut self) -> Result<(), Exn> {

        Ok(())

    }

}

impl delegate::Kind for Noop {

    fn kind(&mut self, _kind: gix_revision::spec::Kind) -> Result<(), Exn> {

        Ok(())

    }

}

impl delegate::Navigate for Noop {

    fn traverse(&mut self, _kind: delegate::Traversal) -> Result<(), Exn> {

        Ok(())

    }

    fn peel_until(&mut self, _kind: delegate::PeelTo<'_>) -> Result<(), Exn> {

        Ok(())

    }

    fn find(&mut self, _regex: &BStr, _negated: bool) -> Result<(), Exn> {

        Ok(())

    }

    fn index_lookup(&mut self, _path: &BStr, _stage: u8) -> Result<(), Exn> {

        Ok(())

    }

}

impl delegate::Revision for Noop {

    fn find_ref(&mut self, _name: &BStr) -> Result<(), Exn> {

        Ok(())

    }

    fn disambiguate_prefix(

        &mut self,

        _prefix: gix_hash::Prefix,

        _hint: Option<delegate::PrefixHint<'_>>,

    ) -> Result<(), Exn> {

        Ok(())

    }

    fn reflog(&mut self, _query: delegate::ReflogLookup) -> Result<(), Exn> {

        Ok(())

    }

    fn nth_checked_out_branch(&mut self, _branch_no: usize) -> Result<(), Exn> {

        Ok(())

    }

    fn sibling_branch(&mut self, _kind: delegate::SiblingBranch) -> Result<(), Exn> {

        Ok(())

    }

}