return hash == that.asLong();
    }

    private static final long serialVersionUID = 0;
  }

  /**
   * Creates a {@code HashCode} from a byte array. The array is defensively copied to preserve the
   * immutability contract of {@code HashCode}. The array cannot be empty.
   *
   * @since 15.0 (since 12.0 in HashCodes)
   */
  public static HashCode fromBytes(byte[] bytes) {

        Assertions.assertThrows(NullPointerException.class, () -> {
            // Intentionally dereference null to validate exception behavior
            // This checks that callers must handle null references defensively
            info.getSize();
        });
    }

    // Uses reflection to set internal array to null to exercise defensive branch in length()
    @Test
    @DisplayName("length(): handles internal null defensively")
    void length_handlesNullInternalArray() throws Exception {
        // Arrange
        SecurityBlob blob = new SecurityBlob(new byte[] { 1, 2, 3 });

        // Force internal field to null via reflection to exercise defensive branch

        t.setMechanismToken(data);
        assertArrayEquals(data, t.getMechanismToken(), "mechanismToken should round-trip");

        // Document current behavior: no defensive copy (reference exposed)
        data[0] = 9;
        assertEquals(9, t.getMechanismToken()[0], "no defensive copy; reflects external mutation");
    }

    @Test
    @DisplayName("Setter and getter for mechanismListMIC work")
    void setGetMechanismListMIC() {

        // Modify the original raw array
        raw[0] = 0x05;

        // Ensure the AvPair's internal raw array is not affected (defensive copy not made)
        // This test assumes that the AvPair constructor does NOT make a defensive copy of the raw array.
        // If a defensive copy were made, this test would fail, and the behavior would be more robust.

    }

    /**
     * Test that the constructor stores the reference to the input byte array.
     * Note: The implementation does not create a defensive copy.
     */
    @Test
    void testConstructorStoresReference() {
        byte[] originalHash = { 0x01, 0x02, 0x03 };
        AvChannelBindings avChannelBindings = new AvChannelBindings(originalHash);

        assertEquals(capacity, mockAllocInfo.getCapacity());
    }

    /**
     * Null pointer scenario – calls on a null reference should raise
     * {@link NullPointerException}. This test is defensive; in real code it
     * would likely be handled elsewhere.
     */
    @Test
    @DisplayName("calling getters on null reference throws NPE")
    void testNullReference() {
        AllocInfo nullRef = null;

    }

    @Test
    @DisplayName("Invalid: resolving class by null name throws NPE")
    void testClassForNameWithNull() {
        // Intent: demonstrate defensive behavior with null when resolving this type by name
        assertThrows(NullPointerException.class, () -> Class.forName(null));
    }

    @Test
    @DisplayName("Happy path: class is loadable via fully qualified name")

            // Verify the reset method exists
            assertNotNull(resetMethod);
        }
    }

    /**
     * Test that getPreauthIntegrityHash returns a defensive copy
     */
    @Test
    @DisplayName("getPreauthIntegrityHash should return defensive copy")
    void testGetPreauthHashDefensiveCopy() throws Exception {
        byte[] hash = transport.getPreauthIntegrityHash();
        assertNotNull(hash);

        Smb2LeaseKey key2 = new Smb2LeaseKey();

        assertNotEquals(key1, key2);
        assertFalse(Arrays.equals(key1.getKey(), key2.getKey()));
    }

    @Test
    @DisplayName("Should return defensive copy of key")
    void testDefensiveCopy() {
        byte[] originalBytes =
                new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };