ckAggregateNumerics(
        [new Scalar(unitlessNumber_smallerIsBetter, 10)],
        10, unitlessNumber_smallerIsBetter);
    checkAggregateNumerics(
        [new Scalar(sizeInBytes, 10),
          new Scalar(sizeInBytes, 20),
          new Scalar(sizeInBytes, 40)],
        70, sizeInBytes);
    checkAggregateNumerics(
        [undefined,
          new Scalar(sizeInBytes, 16),
          undefined,
          new Scalar(sizeInBytes, 32),
          undefined],
        48, sizeInBytes);

    // Inconsistent u