testRotate(new float[] {1, 2, 3, 4, 5}, 4, new float[] {2, 3, 4, 5, 1});
    testRotate(new float[] {1, 2, 3, 4, 5}, 6, new float[] {5, 1, 2, 3, 4});
  }

  public void testRotateIndexed() {
    testRotate(new float[] {}, 0, 0, 0, new float[] {});

    testRotate(new float[] {1}, 0, 0, 1, new float[] {1});
    testRotate(new float[] {1}, 1, 0, 1, new float[] {1});