Function assert_nth_back

arrow-array/src/iterator.rs:771–807

()

    #[test]
    fn assert_nth_back() {
        for (array, source) in get_int32_iterator_cases() {
            let actual = ArrayIter::new(&array);
            let expected = source.iter().copied();
            {
                let mut actual = actual.clone();
                let mut expected = expected.clone();
                for _ in 0..expected.len() {
                    #[allow(clippy::iter_nth_zero)]
                    let actual_val = actual.nth_back(0);
                    #[allow(clippy::iter_nth_zero)]
                    let expected_val = expected.nth_back(0);
                    assert_eq!(actual_val, expected_val, "Failed on nth_back(0)");
                }
            }

            {
                let mut actual = actual.clone();
                let mut expected = expected.clone();
                for _ in 0..expected.len() {
                    let actual_val = actual.nth_back(1);
                    let expected_val = expected.nth_back(1);
                    assert_eq!(actual_val, expected_val, "Failed on nth_back(1)");
                }
            }

            {
                let mut actual = actual.clone();
                let mut expected = expected.clone();
                for _ in 0..expected.len() {
                    let actual_val = actual.nth_back(2);
                    let expected_val = expected.nth_back(2);
                    assert_eq!(actual_val, expected_val, "Failed on nth_back(2)");
                }
            }
        }
    }

    #[test]
    fn assert_last() {