Function test_downcast_array

arrow-array/src/array/mod.rs:1423–1431

()

    #[test]
    fn test_downcast_array() {
        let array: Int32Array = vec![1, 2, 3].into_iter().map(Some).collect();

        let boxed: ArrayRef = Arc::new(array);
        let array: Int32Array = downcast_array(&boxed);

        let expected: Int32Array = vec![1, 2, 3].into_iter().map(Some).collect();
        assert_eq!(array, expected);
    }
}