assertNull(testLdapManager.changePasswordUsername);
        assertNull(testLdapManager.changePasswordPassword);
        assertTrue(testLdapManager.changePasswordCalled);
    }

    public void test_load() {
        // Test load method
        User user = createTestUser("testuser", "password123");

        User result = ldapChain.load(user);

        assertSame(user, result);

          ArithmeticException.class,
          () -> {
            UnsignedInteger unused = UnsignedInteger.fromIntBits(a).dividedBy(UnsignedInteger.ZERO);
          });
    }
  }

  public void testMod() {
    for (int a : TEST_INTS) {
      for (int b : TEST_INTS) {
        if (b != 0) {
          UnsignedInteger aUnsigned = UnsignedInteger.fromIntBits(a);

        try {
            labelTypeHelper.init();
        } catch (Exception e) {
            fail("init() should not throw an exception: " + e.getMessage());
        }
    }

    public void test_load() {
        int result = labelTypeHelper.load();
        assertTrue(result >= 0);
    }

    public void test_refresh() {
        List<LabelType> labelTypeList = createTestLabelTypeList();

        try {

      for (RoundingMode mode : ALL_ROUNDING_MODES) {
        assertThrows(ArithmeticException.class, () -> IntMath.divide(p, 0, mode));
      }
    }
  }

  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));
      }
    }
  }

    for (long x : ALL_LONG_CANDIDATES) {
      assertThrows(ArithmeticException.class, () -> LongMath.mod(x, 0));
    }
  }

  @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));
      }
    }
  }