}

    @Test
    public void test_init_emptyConfig() throws IOException {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getCrawlerDocumentMimetypeExtensionOverrides() {
                return "";
            }
        });

        mimeTypeHelper.init();

    assertEquals(0L, map.get(key));
    assertFalse(map.containsKey(key));

    assertEquals(1L, map.incrementAndGet(key));
    assertEquals(1L, map.get(key));

    assertEquals(0L, map.decrementAndGet(key));
    assertEquals(0L, map.get(key));
    assertTrue(map.containsKey(key));

    assertEquals(1L, map.incrementAndGet(key));
    assertEquals(1L, map.get(key));
  }

  public void testGetAndIncrement() {

    }

    @Test
    public void test_getVirtualHostPath() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Tuple3<String, String, String>[] getVirtualHosts() {

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  @AndroidIncompatible
  public static class SampleLongs extends SampleElements<Long> {
    public SampleLongs() {
      super(1L << 31, 1L << 33, 1L << 36, 1L << 40, 1L << 45);
    }
  }

      HeldCertificate
        .Builder()
        .serialNumber(1L)
        .build()
    val cleaner = get(root.certificate)
    assertThat(cleaner.clean(list(root), "hostname")).isEqualTo(list(root))
  }

  @Test
  fun normalizeUnknownSelfSignedCertificate() {
    val root =
      HeldCertificate
        .Builder()
        .serialNumber(1L)
        .build()
    val cleaner = get()

    new RoundToDoubleTester(BigDecimal.valueOf((1L << 54) + 3))
        .setExpectation(twoToThe54, DOWN, FLOOR)
        .setExpectation(nextUp(twoToThe54), CEILING, UP, HALF_DOWN, HALF_UP, HALF_EVEN)
        .roundUnnecessaryShouldThrow()
        .test();
  }

  public void testRoundToDouble_twoToThe54PlusFour() {
    new RoundToDoubleTester(BigDecimal.valueOf((1L << 54) + 4))

        originalFessConfig = ComponentUtil.getFessConfig();

        // Set up test configuration
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getMailFromName() {
                return "Test Admin";
            }

            @Override
            public String getMailFromAddress() {

    assertThat(Longs.constrainToRange(1L, 0L, 5L)).isEqualTo(1L);
    assertThat(Longs.constrainToRange(1L, 1L, 5L)).isEqualTo(1L);
    assertThat(Longs.constrainToRange(1L, 3L, 5L)).isEqualTo(3L);
    assertThat(Longs.constrainToRange(0L, -5L, -1L)).isEqualTo(-1L);
    assertThat(Longs.constrainToRange(5L, 2L, 2L)).isEqualTo(2L);
    assertThrows(IllegalArgumentException.class, () -> Longs.constrainToRange(1L, 3L, 2L));
  }

        return Stream.of(Arguments.of(0, 0L, 0L, 0L, 0L), // all zeros
                Arguments.of(1, 1L, 1L, 1L, 1L), // ones
                Arguments.of(123, 456L, 789L, 101112L, 131415L), // arbitrary positives
                Arguments.of(Integer.MAX_VALUE, Long.MAX_VALUE, Long.MIN_VALUE, 999_999_999_999L, -1L), // extremes
                Arguments.of(-1, -2L, -3L, -4L, -5L) // negative values
        );
    }

                CollectSpliterators.flatMapToLong(
                    Arrays.spliterator(new Long[] {1L, 0L, 1L, 2L, 3L}),
                    (Long i) -> i == 0L ? null : LongStream.of(i).spliterator(),
                    Spliterator.SIZED | Spliterator.DISTINCT | Spliterator.NONNULL,
                    4))
        .expect(1L, 1L, 2L, 3L);
  }

  public void testFlatMapToDouble_nullStream() {
    SpliteratorTester.ofDouble(