use prometeu_analysis::{ids::FileId, span::Span};

#[test]
fn span_end_is_exclusive() {
    let file = FileId(1);
    let s = Span::new(file, 2, 5);
    // len = end - start
    assert_eq!(s.len(), 3);
    // contains is [start, end)
    assert!(s.contains(2));
    assert!(s.contains(3));
    assert!(s.contains(4));
    assert!(!s.contains(5));
}