// file: crates/ksp-interface-lib/unit_tests/slot_lifecycle.rs
// version: 2

#[test]
fn slot_lifecycle_stages_are_distinct_copy_and_complete_for_the_admitted_family() {
    fn assert_copy<T: Copy>() {}
    assert_copy::<crate::SlotLifecycleStage>();
    let stages = [
        crate::SlotLifecycleStage::Processed,
        crate::SlotLifecycleStage::FirstShredReceived,
        crate::SlotLifecycleStage::Completed,
        crate::SlotLifecycleStage::CreatedBank,
        crate::SlotLifecycleStage::Dead,
        crate::SlotLifecycleStage::OptimisticallyConfirmed,
        crate::SlotLifecycleStage::Rooted,
    ];
    for (index, stage) in stages.iter().enumerate() {
        for other in stages.iter().skip(index + 1) {
            assert_ne!(stage, other);
        }
    }
}

#[test]
fn slot_lifecycle_event_preserves_full_u64_slot_and_stage() {
    fn assert_copy<T: Copy>() {}
    assert_copy::<crate::SlotLifecycleEvent>();
    let event = crate::SlotLifecycleEvent::new(u64::MAX, crate::SlotLifecycleStage::Rooted);
    assert_eq!(event.slot(), u64::MAX);
    assert_eq!(event.stage(), crate::SlotLifecycleStage::Rooted);
    let copied = event;
    assert_eq!(event, copied);
}

#[test]
fn slot_lifecycle_debug_is_bounded_and_contains_only_shared_fields() {
    let event = crate::SlotLifecycleEvent::new(42, crate::SlotLifecycleStage::OptimisticallyConfirmed);
    let debug = std::format!("{event:?}");
    assert!(debug.len() <= 128);
    assert!(debug.contains("slot: 42"));
    assert!(debug.contains("OptimisticallyConfirmed"));
    assert!(!debug.contains("provider"));
    assert!(!debug.contains("yellowstone"));
    assert!(!debug.contains("websocket"));
}