if !f.is_nullable() {
    if let Some(a) = a.logical_nulls() {
        !nulls.as_ref().map(|n| n.contains(&a)).unwrap_or_default() {
            return Err(ArrowError::InvalidArgumentError(format!(
                "Found unmasked nulls for non-nullable StructArray field {:?}",
                f.name()
            )));
        }
    }
}

#[test]
fn test_struct_array_logical_nulls() {
    // Field is non-nullable
    let field = Field::new("a", DataType::Int32, false);
    let values = vec![1, 2, 3];
    // Create a NullBuffer with all bits set to valid (true)
    let nulls = NullBuffer::from(vec![true, true, true]);
    let array = Int32Array::new(values.into(), Some(nulls));
    let child = Arc::new(array) as ArrayRef;
    assert!(child.logical_nulls().is_some());
    assert_eq!(child.logical_nulls().unwrap().null_count(), 0);

    let fields = Fields::from(vec![field]);
    let arrays = vec![child];
    let nulls = None;

    drop(StructArray::try_new(fields, arrays, nulls).expect("should not error"));
}