Function test_finish_preserve_values

arrow-array/src/builder/map_builder.rs:537–553

()

    #[test]
    fn test_finish_preserve_values() {
        let mut builder = MapBuilder::new(
            None,
            PreserveValuesMock::default(),
            PreserveValuesMock::default(),
        );

        builder.keys().inner.append_value(1);
        builder.values().inner.append_value(2);
        builder.append(true).unwrap();

        let map = builder.finish_preserve_values();

        assert_eq!(1, map.len());
        assert_eq!(1, builder.keys().called);
        assert_eq!(1, builder.values().called);
    }
}