/** Test of recalcDist method, of class FidelDecoder. */
 @Test
 public void testRecalcDist() {
   System.out.println("recalcDist");
   int[] dist = {0, 0, -1, 1, 0};
   int length = 2;
   int shift = 2;
   int[] expResult = {0, 0, -1, -2, -2, 3, 2};
   int[] result = FidelDecoder.recalcDist(dist, length, shift);
   assertArrayEquals(expResult, result);
   assertArrayEquals(new int[] {-2, 1, 1}, FidelDecoder.recalcDist(new int[] {0, 0}, 1, 2));
 }