@Test
    void testNumberOfEnumConstants() {
        // Ensure there are exactly 4 resolver types
        assertEquals(4, ResolverType.values().length, "There should be exactly 4 resolver types.");
    }

    /**
     * Tests the names of the enum constants.
     */
    @Test
    void testEnumNames() {
        // Verify the names of the enum constants to ensure they are not accidentally changed

    }

    @Test
    @DisplayName("Constants: values match Windows error codes")
    void constants_have_expected_values() {
        // Ensure each public constant has its documented numeric value (happy path)
        assertAll(() -> assertEquals(0, WinError.ERROR_SUCCESS), () -> assertEquals(5, WinError.ERROR_ACCESS_DENIED),

        // and the credentials. The delegate is tested implicitly by calling super's methods.
        // We can directly test getCredentials() to ensure it returns the initial credentials.
        assertEquals(mockCredentials, wrapper.getCredentials(), "Initial credentials should be set by constructor");
    }

    @Test

 * This class provides support for executing Groovy scripts with parameter binding
 * and DI container integration.
 *
 * <p>Thread Safety: This class is thread-safe. Each evaluate() call creates
 * a new GroovyShell instance to ensure thread isolation.</p>
 *
 * <p>Resource Management: GroovyClassLoader instances are properly managed
 * and cleaned up after script evaluation to prevent memory leaks.</p>
 */

        assertTrue(seq3 > seq2);
    }

    @Test
    void testHeartbeatUpdate() throws InterruptedException {
        long initialTime = registration.getLastHeartbeat();

        Thread.sleep(50); // Ensure sufficient time difference
        registration.updateHeartbeat();

        // After update, should not be expired with long timeout
        assertFalse(registration.isExpired(60000));

    }

    /**
     * Ensure encode throws NPE when passed a null buffer.
     */
    @Test
    @DisplayName("Encode with null buffer throws NullPointerException")
    public void testEncodeNullBuffer() throws NdrException {
        NdrHyper hyper = new NdrHyper(5L);
        assertThrows(NullPointerException.class, () -> hyper.encode(null));
    }

    /**
     * Ensure decode throws NPE when passed a null buffer.

            Thread.sleep(5); // Small delay to ensure different timestamps
            Smb2LeaseKey key2 = limitedManager.requestLease("/share/file2.txt", Smb2LeaseState.SMB2_LEASE_READ_CACHING);
            Thread.sleep(5); // Small delay to ensure different timestamps

        // Mocking SmbFile constructor is tricky, so we'll just verify the call to the delegate
        // and ensure no exception is thrown for a valid URL.
        // The actual SmbFile creation is outside the scope of this wrapper's direct responsibility.

        // For coverage, we'll ensure the method doesn't throw MalformedURLException for a valid URL
        // and that it attempts to create an SmbFile.

import org.junit.jupiter.api.Test;

/**
 * Tests for the KerberosConstants interface.
 */
class KerberosConstantsTest {

    /**
     * This test primarily exists to ensure the constants interface can be loaded
     * and to provide a basic check of its values.
     * Since it's an interface with only static final fields, there is no complex logic to test.
     */
    @Test

        assertEquals(mockPolicyHandle, capturedRpc.handle);
        assertEquals(access, capturedRpc.access_mask);
        assertEquals(mockSid, capturedRpc.sid);
        assertEquals(handle, capturedRpc.domain_handle); // Ensure the handle itself is passed for output
    }

    @Test
    void constructor_shouldThrowSmbExceptionOnRpcError() throws IOException {
        // Arrange
        int access = 0x01;