// Test constructor with null message
        SearchEngineClientException exception = new SearchEngineClientException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with null message and null cause

class PacCredentialTypeTest {

    /**
     * Tests the constructor with a valid byte array.
     */
    @Test
    void testConstructorWithValidData() {
        // A byte array with a length less than 32 should be considered valid.
        byte[] validData = new byte[31];
        assertDoesNotThrow(() -> new PacCredentialType(validData));
    }

    /**
     * Tests the constructor with a null byte array, which should throw an exception.

    public void test_constructor_withNullMessage() {
        // Test constructor with null message
        DictionaryException exception = new DictionaryException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with null message but valid cause

    @Test
    @DisplayName("Default constructor should create exception with null message and cause")
    void testDefaultConstructor() {
        // Given & When
        CIFSUnsupportedCryptoException exception = new CIFSUnsupportedCryptoException();

        // Then
        assertNull(exception.getMessage(), "Default constructor should have null message");

    }

    public void test_constructorSignature() {
        // Verify constructor parameter types
        try {
            final java.lang.reflect.Constructor<?> constructor = FessWebResourceRoot.class.getConstructor(Context.class);
            final Class<?>[] paramTypes = constructor.getParameterTypes();
            assertEquals("Constructor should have one parameter", 1, paramTypes.length);

        // Test constructor with null message
        SearchQueryException exception = new SearchQueryException((String) null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
        assertTrue(exception instanceof FessSystemException);
    }

    public void test_constructorWithNullCause() {
        // Test constructor with null cause

    @Test
    @DisplayName("No-arg constructor: null message and cause; can be thrown")
    void defaultConstructor_behavesAsExpected() {
        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException();

        // Assert state
        assertNull(ex.getMessage(), "Default constructor should have null message");
        assertNull(ex.getCause(), "Default constructor should have null cause");

        assertEquals(expectedStatus, ex.getNtStatus(), "status should map based on code");
        assertNull(ex.getCause(), "cause must be null for int constructor");
        assertNull(ex.getRootCause(), "rootCause must be null for int constructor");
    }

    /**
     * Validate message-only constructor with both null and empty messages.
     */
    @ParameterizedTest
    @MethodSource("messageProvider")

    }

    /**
     * LSA Quality of Service information.
     */
    public static class LsarQosInfo extends NdrObject {

        /**
         * Default constructor for LsarQosInfo.
         */
        public LsarQosInfo() {
            // Default constructor
        }

        /** Length of the QoS information. */
        public int length;
        /** Security impersonation level. */

        // Verify that ThreadDumpUtil has a protected constructor (utility class pattern)
        try {
            Constructor<ThreadDumpUtil> constructor = ThreadDumpUtil.class.getDeclaredConstructor();
            assertTrue("Constructor should be protected", java.lang.reflect.Modifier.isProtected(constructor.getModifiers()));

            // Test that constructor is accessible when made accessible