}

  /*
   * Tests for Predicates.equalTo(x).
   */

  public void testIsEqualTo_apply() {
    Predicate<@Nullable Integer> isOne = Predicates.equalTo(1);

    assertTrue(isOne.apply(1));
    assertFalse(isOne.apply(2));
    assertFalse(isOne.apply(null));
  }

  public void testIsEqualTo_equality() {
    new EqualsTester()
        .addEqualityGroup(Predicates.equalTo(1), Predicates.equalTo(1))

checkYes(n.IsMinusOne(mFour), "3 is not -1 mod 4") checkNot(n.IsZero(), "3 is zero") checkNot(n.IsOne(), "3 is one") checkYes(n.IsOdd(), "3 is not odd") n.SubOne(mFour) checkNot(n.IsMinusOne(mFour), "2 is -1 mod 4") checkNot(n.IsZero(), "2 is zero") checkNot(n.IsOne(), "2 is one") checkNot(n.IsOdd(), "2 is odd") n.SubOne(mFour) checkNot(n.IsMinusOne(mFour), "1 is -1 mod 4") checkNot(n.IsZero(), "1 is zero") checkYes(n.IsOne(), "1 is not one") checkYes(n.IsOdd(), "1 is not odd") n.SubOne(mFour) checkNot(n.IsMinusOne(mFour),...