lib.rs

#![feature(test)]

extern crate test;

#[cfg(test)]
mod tests {
    use test::Bencher;

    #[bench]
    fn bench_split_short_str(b: &mut Bencher) {
        b.iter(|| {
            let x = "asdfghjkl";
            x.split("f");
        });
    }

    #[bench]
    fn bench_split_short_char(b: &mut Bencher) {
        b.iter(|| {
            let x = "asdfghjkl";
            x.split('f');
        });
    }

    #[bench]
    fn bench_split_long_str_one_split(b: &mut Bencher) {
        b.iter(|| {
            let x = "asdfghjklqwertyuiopzxcvvbnm1234567890";
            x.split("f");
        });
    }

    #[bench]
    fn bench_split_long_char_one_split(b: &mut Bencher) {
        b.iter(|| {
            let x = "asdfghjklqwertyuiopzxcvvbnm1234567890";
            x.split('f');
        });
    }

    #[bench]
    fn bench_split_long_str_multi_splits(b: &mut Bencher) {
        b.iter(|| {
            let x = "asdfghjklqwerftyuiofpzxcvvbfnm123f4567f890";
            x.split("f");
        });
    }

    #[bench]
    fn bench_split_long_char_multi_splits(b: &mut Bencher) {
        b.iter(|| {
            let x = "asdfghjklqwerftyuiofpzxcvvbfnm123f4567f890";
            x.split('f');
        });
    }
}