public void testFromStringBadDefaultPort() {
    // Well-formed strings with bad default ports.
    checkFromStringCase("gmail.com:81", -1, "gmail.com", 81, true);
    checkFromStringCase("192.0.2.2:83", -1, "192.0.2.2", 83, true);
    checkFromStringCase("[2001::2]:85", -1, "2001::2", 85, true);
    checkFromStringCase("goo.gl:65535", 65536, "goo.gl", 65535, true);
    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);

  public void testFromStringBadDefaultPort() {
    // Well-formed strings with bad default ports.
    checkFromStringCase("gmail.com:81", -1, "gmail.com", 81, true);
    checkFromStringCase("192.0.2.2:83", -1, "192.0.2.2", 83, true);
    checkFromStringCase("[2001::2]:85", -1, "2001::2", 85, true);
    checkFromStringCase("goo.gl:65535", 65536, "goo.gl", 65535, true);
    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);

    /** The object path is invalid */
    int NT_STATUS_OBJECT_PATH_INVALID = 0xC0000039;
    /** The object path was not found */
    int NT_STATUS_OBJECT_PATH_NOT_FOUND = 0xC000003a;
    /** The object path syntax is bad */
    int NT_STATUS_OBJECT_PATH_SYNTAX_BAD = 0xC000003b;
    /** The process cannot access the file because it is being used by another process */
    int NT_STATUS_SHARING_VIOLATION = 0xC0000043;

            dcerpcBinding.setOption("endpoint", endpoint);
        }, "Should throw DcerpcException for unknown pipe endpoint.");

        assertTrue(thrown.getMessage().contains("Bad endpoint"), "Exception message should indicate a bad endpoint.");
    }

    @Test
    void testSetOptionEndpointInvalidFormat() {
        String endpoint = "135"; // Example non-pipe endpoint that is not recognized

        // Arrange
        stubAcquireReturnsSelf();
        when(nameFilter.accept(parent, "bad")).thenThrow(new CIFSException("bad name"));
        when(nameFilter.accept(parent, "good")).thenReturn(true);

        FileEntry initial = entry("first");
        FileEntry[] page1 = new FileEntry[] { entry("bad"), entry("good") };

    }

    @Test
    @DisplayName("parsing malformed token throws IOException")
    void testMalformedToken() {
        byte[] bad = new byte[] { 0x01, 0x02, 0x03 }; // not a valid ASN.1 tagged object
        assertThrows(IOException.class, () -> new NegTokenTarg(bad), "Malformed byte[] should cause IOException");
    }

    @Test
    @DisplayName("mechanism token empty array – preserved after round‑trip")

    }

    @Test
    @DisplayName("Should create SpnegoException with cause")
    void testWithCause() {
        // Given
        IllegalArgumentException cause = new IllegalArgumentException("bad arg");

        // When
        SpnegoException ex = new SpnegoException(cause);

        // Then
        assertNotNull(ex);
        assertEquals(cause, ex.getCause());

      return;
    }
    fail();
  }

  private static class BadEqualsFactory {
    /** oneConstantOnly matters now since it can be either null or the constant. */
    @Keep
    public static Object bad(String a, int b, @Nullable OneConstantEnum oneConstantOnly) {
      return new GoodEquals(a, b);
    }
  }

  public void testNullsOnReturnValues_good() throws Exception {

        }
    }

    public void test_specialCharactersInMessage() {
        // Test with special characters in message
        String message = "LDAP error: \"Invalid <config>\" & 'bad chars' @ #$%^&*()";
        LdapConfigurationException exception = new LdapConfigurationException(message);

        assertEquals(message, exception.getMessage());
    }

    /** The object path is invalid */
    int NT_STATUS_OBJECT_PATH_INVALID = 0xC0000039;
    /** The object path was not found */
    int NT_STATUS_OBJECT_PATH_NOT_FOUND = 0xC000003a;
    /** The object path syntax is bad */
    int NT_STATUS_OBJECT_PATH_SYNTAX_BAD = 0xC000003b;
    /** The process cannot access the file because it is being used by another process */
    int NT_STATUS_SHARING_VIOLATION = 0xC0000043;