/** * Tests correct parsing of enum. */ @Test public void testEnum() { final List<TestEnum> consumer = new ArrayList<>(); final Menu m = Menu.builder() .addHelpOption("h", "help", "Hi") .add(Option.builder("e", ArgumentParser.enumParser("testenum", TestEnum.class)).build(), consumer, new AddToListHandler<TestEnum>()) .build(); m.execute("-e", "A"); assertThat(consumer) .containsExactly(TestEnum.A); consumer.clear(); m.execute("-e", "B"); assertThat(consumer) .containsExactly(TestEnum.B); consumer.clear(); testFail(m, "e", CauseType.INVALID_ARG_FORMAT, "-e", "a"); testFail(m, "e", CauseType.INVALID_ARG_FORMAT, "-e", "NON_EXISTING_ENUM"); assertThat(consumer).isEmpty(); }