assertEquals(Integer.valueOf(0), ArbitraryInstances.get(int.class));
    assertEquals(Integer.valueOf(0), ArbitraryInstances.get(Integer.class));
    assertEquals(Long.valueOf(0), ArbitraryInstances.get(long.class));
    assertEquals(Long.valueOf(0), ArbitraryInstances.get(Long.class));
    assertEquals(Float.valueOf(0), ArbitraryInstances.get(float.class));

  @GwtIncompatible
  public void testRoundToDouble_smallPositive() {
    new RoundToDoubleTester(BigInteger.valueOf(16)).setExpectation(16.0, values()).test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_maxPreciselyRepresentable() {
    new RoundToDoubleTester(BigInteger.valueOf(1L << 53))
        .setExpectation(Math.pow(2, 53), values())
        .test();
  }

  @J2ktIncompatible

  @GwtIncompatible
  public void testRoundToDouble_smallPositive() {
    new RoundToDoubleTester(BigInteger.valueOf(16)).setExpectation(16.0, values()).test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_maxPreciselyRepresentable() {
    new RoundToDoubleTester(BigInteger.valueOf(1L << 53))
        .setExpectation(Math.pow(2, 53), values())
        .test();
  }

  @J2ktIncompatible

      CountingRemovalListener<String, Integer> removalListener) {

    for (int i = 0; i < 10; i++) {
      assertEquals(Integer.valueOf(VALUE_PREFIX + i), cache.getUnchecked(KEY_PREFIX + i));
    }

    for (int i = 0; i < 10; i++) {
      loader.reset();
      assertEquals(Integer.valueOf(VALUE_PREFIX + i), cache.getUnchecked(KEY_PREFIX + i));
      assertFalse("Creator should not have been called @#" + i, loader.wasCalled());
    }

  }

  @SuppressWarnings("removal") // b/321209431 -- maybe just use valueOf here?
  @Generates
  Integer generateInteger() {
    return new Integer(generateInt());
  }

  @Generates
  long generateLong() {
    return generateInt();
  }

  @SuppressWarnings("removal") // b/321209431 -- maybe just use valueOf here?
  @Generates
  Long generateLongObject() {
    return new Long(generateLong());

      }
    }
  }

  public void testGCD() {
    for (int a : POSITIVE_INTEGER_CANDIDATES) {
      for (int b : POSITIVE_INTEGER_CANDIDATES) {
        assertEquals(valueOf(a).gcd(valueOf(b)), valueOf(IntMath.gcd(a, b)));
      }
    }
  }

  public void testGCDZero() {
    for (int a : POSITIVE_INTEGER_CANDIDATES) {
      assertEquals(a, IntMath.gcd(a, 0));

    new EqualsTester()
        .addEqualityGroup(Optional.absent(), reserialize(Optional.absent()))
        .addEqualityGroup(Optional.of(Long.valueOf(5)), reserialize(Optional.of(Long.valueOf(5))))
        .addEqualityGroup(Optional.of(Long.valueOf(42)), reserialize(Optional.of(Long.valueOf(42))))
        .testEquals();
  }

  public void testToString_absent() {
    assertEquals("Optional.absent()", Optional.absent().toString());

    assertEquals(Integer.valueOf(20), map.get(10));
    assertEquals(Integer.valueOf(0), map.get(20));
    assertEquals(Integer.valueOf(1), map.get(30));
    assertEquals(Integer.valueOf(2), map.get(54));
    assertEquals(Integer.valueOf(3), map.get(443));
    assertEquals(Integer.valueOf(4), map.get(1));
    assertEquals(Integer.valueOf(5), cache.get(6));

    new RoundToDoubleTester(halfMinDouble)
        .roundUnnecessaryShouldThrow()
        .setExpectation(-Double.MIN_VALUE, UP, FLOOR, HALF_UP)
        .setExpectation(-0.0, HALF_EVEN, CEILING, DOWN, HALF_DOWN)
        .test();
  }

  public void testRoundToDouble_smallPositive() {
    new RoundToDoubleTester(BigDecimal.valueOf(16)).setExpectation(16.0, values()).test();
  }

      return addUnconditionalHolder(name, String.valueOf(value));
    }

    /**
     * Adds a name/value pair to the formatted output in {@code name=value} format.
     *
     * @since 18.0 (since 11.0 as {@code Objects.ToStringHelper.add()}).
     */
    @CanIgnoreReturnValue
    public ToStringHelper add(String name, char value) {
      return addUnconditionalHolder(name, String.valueOf(value));
    }

    /**