import x.json2

struct RefArrayItem {
    a int
}

fn ref_array_item(value int, is_nil bool) &RefArrayItem {
    return if is_nil {
        unsafe { nil }
    } else {
        &RefArrayItem{
            a: value
        }
    }
}

fn test_json2_encode_array_of_references_with_nil() {
    value := [
        ref_array_item(1, false),
        ref_array_item(0, true),
        ref_array_item(2, false),
    ]
    assert json2.encode(value) == '[{"a":1},null,{"a":2}]'
}