Function test_into_builder

arrow-array/src/array/primitive_array.rs:2761–2781

()

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

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

        let mut builder = col.into_builder().unwrap();

        let slice = builder.values_slice_mut();
        assert_eq!(slice, &[1, 2, 3]);

        slice[0] = 4;
        slice[1] = 2;
        slice[2] = 1;

        let expected: Int32Array = vec![Some(4), Some(2), Some(1)].into_iter().collect();

        let new_array = builder.finish();
        assert_eq!(expected, new_array);
    }

    #[test]
    fn test_into_builder_cloned_array() {