assertThat(expected.getCause()).isInstanceOf(RejectedExecutionException.class);
    }
  }

  /** Tests that the function is invoked only once, even if it throws an exception. */
  public void testTransformValueRemainsMemoized() throws Exception {
    class Holder {

      int value = 2;
    }
    final Holder holder = new Holder();

    // This function adds the holder's value to the input value.

      assertThat(expected.getCause()).isInstanceOf(RejectedExecutionException.class);
    }
  }

  /** Tests that the function is invoked only once, even if it throws an exception. */
  public void testTransformValueRemainsMemoized() throws Exception {
    class Holder {

      int value = 2;
    }
    final Holder holder = new Holder();

    // This function adds the holder's value to the input value.