/** testDoubleArraySize - test the double array size method in the AudioList class */
  public void testDoubleArraySize() {
    // declarations and initializations
    AudioList aL2 = new AudioList();

    // Test 1
    aL2.doubleArraySize();

    // Test 2 - double the array size 10 times
    for (int i = 0; i < 10; i++) {
      aL2.doubleArraySize();
    }
    assertEquals(32768, aL2.numberOfSlotsInArray());
  } // end DoubleArraySize