class LongIdGeneratorTest {
    private final LongIdGenerator generator = new LongIdGenerator()

    @Rule
    public MultithreadedTestRule parallel = new MultithreadedTestRule();

    @Test
    void generatesMonotonicallyIncreasingLongIdsStartingAtOne() {
        assertThat(generator.generateId(), equalTo(1L))
        assertThat(generator.generateId(), equalTo(2L))
        assertThat(generator.generateId(), equalTo(3L))
    }

    @Test