@Override
  public void setDefault() {
    failIfNoFile = true;
    calculation = new CalculatorMetaFunction[0];
  }
@Test
  public void testSetDefault() {
    CalculatorMeta meta = new CalculatorMeta();
    meta.setDefault();
    assertNotNull( meta.getCalculation() );
    assertEquals( 0, meta.getCalculation().length );
    assertTrue( meta.isFailIfNoFile() );
  }