use rpki::rtr::admin::tail_log_lines;

#[test]
fn tail_log_lines_returns_requested_suffix() {
    let output = tail_log_lines(b"one\ntwo\nthree\nfour\n".to_vec(), 2);
    assert_eq!(output, b"three\nfour\n");
}

#[test]
fn tail_log_lines_returns_whole_buffer_when_shorter() {
    let output = tail_log_lines(b"one\ntwo\n".to_vec(), 5);
    assert_eq!(output, b"one\ntwo\n");
}