throw new SomeUncheckedException();
                    }));
    expectUnchanged();
  }

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  public void testCompute_absentFunctionThrows() {
    assertThrows(
        SomeUncheckedException.class,
        () ->
            getMap()
                .compute(
                    k3(),
                    (k, v) -> {