try {
        UnsignedLong.fromLongBits(a).dividedBy(UnsignedLong.ZERO);
        fail("Expected ArithmeticException");
      } catch (ArithmeticException expected) {
      }
    }
  }

  public void testMod() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {
        if (b != 0) {
          UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);

        try {
          IntMath.divide(p, 0, mode);
          fail("Expected ArithmeticException");
        } catch (ArithmeticException expected) {
        }
      }
    }
  }

  public void testMod() {
    for (int x : ALL_INTEGER_CANDIDATES) {
      for (int m : POSITIVE_INTEGER_CANDIDATES) {
        assertEquals(valueOf(x).mod(valueOf(m)).intValue(), IntMath.mod(x, m));
      }
    }
  }

        try {
          IntMath.divide(p, 0, mode);
          fail("Expected ArithmeticException");
        } catch (ArithmeticException expected) {
        }
      }
    }
  }

  public void testMod() {
    for (int x : ALL_INTEGER_CANDIDATES) {
      for (int m : POSITIVE_INTEGER_CANDIDATES) {
        assertEquals(valueOf(x).mod(valueOf(m)).intValue(), IntMath.mod(x, m));
      }
    }
  }

        LongMath.mod(x, 0);
        fail("Expected AE");
      } catch (ArithmeticException expected) {
      }
    }
  }

  @AndroidIncompatible // slow
  @GwtIncompatible // TODO
  public void testMod() {
    for (long x : ALL_LONG_CANDIDATES) {
      for (long m : POSITIVE_LONG_CANDIDATES) {
        assertEquals(valueOf(x).mod(valueOf(m)).longValue(), LongMath.mod(x, m));
      }
    }
  }

      try {
        UnsignedLong.fromLongBits(a).dividedBy(UnsignedLong.ZERO);
        fail("Expected ArithmeticException");
      } catch (ArithmeticException expected) {
      }
    }
  }

  public void testMod() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {
        if (b != 0) {
          UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testNot_serialization() {
    checkSerialization(Predicates.not(isOdd()));
  }

  /*
   * Tests for all the different flavors of Predicates.and().
   */

  public void testAnd_applyNoArgs() {
    assertEvalsToTrue(Predicates.and());
  }

  public void testAnd_equalityNoArgs() {
    new EqualsTester()

    assertEquals("a", iterator.next());
    try {
      iterator.remove();
      fail();
    } catch (UnsupportedOperationException expected) {
    }
  }

  @SuppressWarnings("DoNotCall")
  public void testAdd() {
    ListIterator<String> iterator = create();

    assertTrue(iterator.hasNext());
    assertEquals("a", iterator.next());
    assertEquals("b", iterator.next());
    assertEquals("b", iterator.previous());

    assertEquals(ImmutableSet.of(1), testTable.columnKeySet());
  }

  public void testColumnMap() {
    assertEquals(ImmutableMap.of(1, ImmutableMap.of('a', "blah")), testTable.columnMap());
  }

  public void testRow() {
    assertEquals(ImmutableMap.of(), testTable.row('A'));
    assertEquals(ImmutableMap.of(1, "blah"), testTable.row('a'));
  }

  public void testRowKeySet() {

  @CollectionSize.Require(absent = ZERO)
  public void testAdd_supportedPresent() {
    assertFalse("add(present) should return false", getSet().add(e0()));
    expectUnchanged();
  }

  @CollectionFeature.Require(value = {SUPPORTS_ADD, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)
  public void testAdd_supportedNullPresent() {
    E[] array = createArrayWithNullElement();

   * Returns a predicate that evaluates to {@code true} if the object reference being tested is
   * null.
   */
  @GwtCompatible(serializable = true)
  public static <T extends @Nullable Object> Predicate<T> isNull() {
    return ObjectPredicate.IS_NULL.withNarrowedType();
  }

  /**
   * Returns a predicate that evaluates to {@code true} if the object reference being tested is not
   * null.
   */
  @GwtCompatible(serializable = true)