map.put("Null", null);
    Function<String, @Nullable Integer> function = Functions.forMap(map, 42);

    assertEquals(1, function.apply("One").intValue());
    assertEquals(42, function.apply("Two").intValue());
    assertEquals(3, function.apply("Three").intValue());
    assertThat(function.apply("Null")).isNull();

    new EqualsTester()
        .addEqualityGroup(function, Functions.forMap(map, 42))

        }

        value = props.getProperty("jcifs.smb.client.maxChannels");
        if (value != null) {
            try {
                int intValue = Integer.parseInt(value);
                if (intValue > 0) {
                    this.maxChannels = intValue;
                }
            } catch (NumberFormatException e) {
                // Invalid values ignored
            }
        }

    map.put("Null", null);
    Function<String, @Nullable Integer> function = Functions.forMap(map, 42);

    assertEquals(1, function.apply("One").intValue());
    assertEquals(42, function.apply("Two").intValue());
    assertEquals(3, function.apply("Three").intValue());
    assertThat(function.apply("Null")).isNull();

    new EqualsTester()
        .addEqualityGroup(function, Functions.forMap(map, 42))

    assertEquals(1, ContiguousSet.create(Range.open(0, 4), integers()).first().intValue());
    assertEquals(
        Integer.MIN_VALUE,
        ContiguousSet.create(Range.<Integer>all(), integers()).first().intValue());
  }

  public void testLast() {
    assertEquals(3, ContiguousSet.create(Range.closed(1, 3), integers()).last().intValue());

  }

  public void testIntValue() {
    for (long a : TEST_LONGS) {
      UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);
      int intValue = aUnsigned.bigIntegerValue().intValue();
      assertThat(aUnsigned.intValue()).isEqualTo(intValue);
    }
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerialization() {
    for (long a : TEST_LONGS) {

    for (int x : POSITIVE_INTEGER_CANDIDATES) {
      BigInteger expectedResult = BigIntegerMath.ceilingPowerOfTwo(BigInteger.valueOf(x));
      if (fitsInInt(expectedResult)) {
        assertEquals(expectedResult.intValue(), IntMath.ceilingPowerOfTwo(x));
      } else {
        assertThrows(ArithmeticException.class, () -> IntMath.ceilingPowerOfTwo(x));
      }
    }
  }

  public void testFloorPowerOfTwo() {

        assertEquals(0, crawlerContext.getActiveThreadCount().intValue());

        crawlerContext.setActiveThreadCount(5);
        assertEquals(5, crawlerContext.getActiveThreadCount().intValue());

        crawlerContext.setActiveThreadCount(0);
        assertEquals(0, crawlerContext.getActiveThreadCount().intValue());

        crawlerContext.setActiveThreadCount(-1);

    assertEquals(1, ContiguousSet.create(Range.open(0, 4), integers()).first().intValue());
    assertEquals(
        Integer.MIN_VALUE,
        ContiguousSet.create(Range.<Integer>all(), integers()).first().intValue());
  }

  public void testLast() {
    assertEquals(3, ContiguousSet.create(Range.closed(1, 3), integers()).last().intValue());

  }

  public void testIntValue() {
    for (long a : TEST_LONGS) {
      UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);
      int intValue = aUnsigned.bigIntegerValue().intValue();
      assertThat(aUnsigned.intValue()).isEqualTo(intValue);
    }
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerialization() {
    for (long a : TEST_LONGS) {

              assertEquals(1, threadLocalCount.get().intValue());
              return null;
            });
    new Thread(otherTask).start();

    ListenableFuture<?> future = executor.submit(incrementTask);
    assertTrue(future.isDone());
    assertListenerRunImmediately(future);
    assertEquals(1, threadLocalCount.get().intValue());
    otherTask.get();
  }