Function test_nullif

arrow-select/src/nullif.rs:482–510

(values: &Int32Array, filter: &BooleanArray)

    }

    fn test_nullif(values: &Int32Array, filter: &BooleanArray) {
        let expected: Int32Array = values
            .iter()
            .zip(filter.iter())
            .map(|(a, b)| match b {
                Some(true) => None,
                Some(false) | None => a,
            })
            .collect();

        let r = nullif(values, filter).unwrap();
        let r_data = r.to_data();
        r_data.validate().unwrap();

        assert_eq!(
            r.as_ref(),
            &expected,
            "expected nulls: {:#?}\n\n\
        result nulls:   {:#?}\n\n\\
        expected values: {:#?}\n\n\
        result values:   {:#?}",
            expected.nulls(),
            r.nulls(),
            expected.values(),
            r.as_primitive::<Int32Type>().values()
        );
        validate_nulls(expected.nulls());
        validate_nulls(r.nulls());
    }

    /// Ensures that the null count matches the actual number of nulls.
    fn validate_nulls(nulls: Option<&NullBuffer>) {