spy.verifyCallCount(1);
    assertThat(getDone(transformed)).isEqualTo("bar");
    spy.verifyCallCount(2);
  }

  @J2ktIncompatible
  @GwtIncompatible // lazyTransform
  public void testLazyTransform_exception() throws Exception {
    RuntimeException exception = new RuntimeException("deliberate");
    Function<Integer, String> function =
        unused -> {
          throw exception;
        };

    spy.verifyCallCount(1);
    assertThat(getDone(transformed)).isEqualTo("bar");
    spy.verifyCallCount(2);
  }

  @J2ktIncompatible
  @GwtIncompatible // lazyTransform
  public void testLazyTransform_exception() throws Exception {
    RuntimeException exception = new RuntimeException("deliberate");
    Function<Integer, String> function =
        unused -> {
          throw exception;
        };