}

  public void testCheckNonNegative_positiveBigInteger() {
    MathPreconditions.checkNonNegative("BigInteger", BigInteger.ONE);
  }

  public void testCheckNonNegative_negativeBigInteger() {
    assertThrows(
        IllegalArgumentException.class,
        () -> MathPreconditions.checkNonNegative("int", BigInteger.ONE.negate()));
  }

  public void testCheckNonNegative_zeroFloat() {