rust/src/test/ui/pattern/usefulness/slice-patterns-exhaustiveness.rs

#![feature(slice_patterns)]

fn main() {
    let s: &[bool] = &[true; 0];
    let s1: &[bool; 1] = &[false; 1];
    let s2: &[bool; 2] = &[false; 2];
    let s3: &[bool; 3] = &[false; 3];

    match s1 {
        [true, ..] => {}
        [.., false] => {}
    }
    match s2 {
    //~^ ERROR `&[false, true]` not covered
        [true, ..] => {}
        [.., false] => {}
    }
    match s3 {
    //~^ ERROR `&[false, _, true]` not covered
        [true, ..] => {}
        [.., false] => {}
    }
    match s {
    //~^ ERROR `&[false, .., true]` not covered
        [] => {}
        [true, ..] => {}
        [.., false] => {}
    }

    match s3 {
    //~^ ERROR `&[false, _, _]` not covered
        [true, .., true] => {}
    }
    match s {
    //~^ ERROR `&[_, ..]` not covered
        [] => {}
    }
    match s {
    //~^ ERROR `&[_, _, ..]` not covered
        [] => {}
        [_] => {}
    }
    match s {
    //~^ ERROR `&[false, ..]` not covered
        [] => {}
        [true, ..] => {}
    }
    match s {
    //~^ ERROR `&[false, _, ..]` not covered
        [] => {}
        [_] => {}
        [true, ..] => {}
    }
    match s {
    //~^ ERROR `&[_, .., false]` not covered
        [] => {}
        [_] => {}
        [.., true] => {}
    }

    match s {
    //~^ ERROR `&[_, _, .., true]` not covered
        [] => {}
        [_] => {}
        [_, _] => {}
        [.., false] => {}
    }
    match s {
    //~^ ERROR `&[true, _, .., _]` not covered
        [] => {}
        [_] => {}
        [_, _] => {}
        [false, .., false] => {}
    }
}