Function test_gc

arrow-array/src/array/byte_view_array.rs:1355–1387

()

    #[test]
    fn test_gc() {
        let test_data = [
            Some("longer than 12 bytes"),
            Some("short"),
            Some("t"),
            Some("longer than 12 bytes"),
            None,
            Some("short"),
        ];

        let array = {
            let mut builder = StringViewBuilder::new().with_fixed_block_size(8); // create multiple buffers
            test_data.into_iter().for_each(|v| builder.append_option(v));
            builder.finish()
        };
        assert!(array.buffers.len() > 1);

        fn check_gc(to_test: &StringViewArray) {
            let gc = to_test.gc();
            assert_ne!(to_test.data_buffers().len(), gc.data_buffers().len());

            to_test.iter().zip(gc.iter()).for_each(|(a, b)| {
                assert_eq!(a, b);
            });
            assert_eq!(to_test.len(), gc.len());
        }

        check_gc(&array);
        check_gc(&array.slice(1, 3));
        check_gc(&array.slice(2, 1));
        check_gc(&array.slice(2, 2));
        check_gc(&array.slice(3, 1));
    }

    /// 1) Empty array: no elements, expect gc to return empty with no data buffers
    #[test]