[Fact]
public void RecursiveArraySlice()
{
    var initialValues = Enumerable.Range(0, 100).ToArray();
    var array = new Int32Array.Builder().AppendRange(initialValues).Build();

    var sliced = (Int32Array) array.Slice(20, 30);
    var slicedAgain = (Int32Array) sliced.Slice(5, 10);

    Assert.Equal(25, slicedAgain.Offset);  // Fails with "Actual:   45"
    Assert.Equal(10, slicedAgain.Length);
    Assert.Equal(
        initialValues.Skip(25).Take(10).Select(val => (int?) val).ToArray(),
        (IReadOnlyList<int?>) slicedAgain);
}