Function progress_simple_split

rust/src/progress.rs:183–222

()

    #[test]
    fn progress_simple_split() {
        let progress = Cell::new(0);
        let callback = |p, _| {
            progress.set(p);
            true
        };
        let mut split = callback.split(&[25, 50, 25]);
        // 0..=25
        let mut split_instance = split.next_subpart().unwrap();
        split_instance.progress(0, 100);
        assert_eq!(progress.get(), 0);
        split_instance.progress(100, 100);
        assert_eq!(progress.get(), 25);
        drop(split_instance);

        // 25..=75
        let mut split_instance = split.next_subpart().unwrap();
        split_instance.progress(0, 100);
        assert_eq!(progress.get(), 25);
        split_instance.progress(25, 100);
        // there is no way to check for exact values, it depends on how the calculation is done,
        // at the time or writing of this test is always round down, but we just check a range because this
        // could change
        assert!((36..=37).contains(&progress.get()));
        split_instance.progress(50, 100);
        assert_eq!(progress.get(), 50);
        split_instance.progress(100, 100);
        assert_eq!(progress.get(), 75);
        drop(split_instance);

        // 75..=100
        let mut split_instance = split.next_subpart().unwrap();
        split_instance.progress(0, 100);
        assert_eq!(progress.get(), 75);
        split_instance.progress(100, 100);
        assert_eq!(progress.get(), 100);
        drop(split_instance);

        assert!(split.next_subpart().is_none());
    }

    #[test]
    fn progress_recursive_split() {