[Fact]
public void TestSliceStructArray()
{
    const int numRows = 10;
    var fields = new List<Field>
    {
        new Field.Builder().Name("ints").DataType(new Int32Type()).Nullable(true).Build(),
    };
    var arrays = new List<IArrowArray>
    {
        new Int32Array.Builder().AppendRange(Enumerable.Range(0, numRows)).Build(),
    };

    var nullBitmap = new ArrowBuffer.BitmapBuilder().AppendRange(true, numRows).Build();
    var array = new StructArray(new StructType(fields), numRows, arrays, nullBitmap, nullCount: 0);

    var slicedArray = (StructArray) array.Slice(3, 4);

    Assert.Equal(4, slicedArray.Length);
    Assert.Single(slicedArray.Fields);
    var slicedField = slicedArray.Fields[0];
    Assert.Equal(4, slicedField.Length);  // Fails with "Actual:   10"
}