}

    /**
     * Test call() method as Callable in executor service
     */
    @Test
    void testCallAsCallable() throws Exception {
        // Create a real implementation for testing Callable behavior
        SmbWatchHandle realHandle = new SmbWatchHandle() {
            private int callCount = 0;

            @Override
            public List<FileNotifyInformation> watch() throws CIFSException {

    }

    @Test
    @DisplayName("Test Request with concrete implementation")
    void testConcreteImplementation() {
        // Create a concrete implementation for testing
        TestRequest testRequest = new TestRequest();

        // Test initResponse
        CommonServerMessageBlockResponse testResponse = testRequest.initResponse(context);
        assertNotNull(testResponse);

import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okhttp3.internal.closeQuietly
import okhttp3.testing.PlatformRule
import okhttp3.tls.HandshakeCertificates
import org.bouncycastle.tls.TlsFatalAlert
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

import javax.net.ssl.HttpsURLConnection
import kotlin.test.assertFailsWith
import okhttp3.Headers
import okhttp3.Protocol
import okhttp3.RecordingHostnameVerifier
import okhttp3.TestUtil.assumeNotWindows
import okhttp3.testing.PlatformRule
import okhttp3.tls.HandshakeCertificates
import okhttp3.tls.HeldCertificate
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.BeforeEach

    private DfsReferralDataInternal concreteImplementation;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        // Using concrete implementation for integration testing
        // Note: DfsReferralDataImpl default constructor creates an object with null server/share/path
        // Some methods like fixupHost/fixupDomain require these to be set via combine() or fromReferral()

import com.google.common.base.Equivalence;
import com.google.common.base.Function;
import com.google.common.base.MoreObjects;
import com.google.common.collect.Table.Cell;
import com.google.common.testing.CollectorTester;
import java.util.function.BiPredicate;
import java.util.function.BinaryOperator;
import java.util.stream.Collector;
import java.util.stream.Stream;
import junit.framework.TestCase;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.testing.EqualsTester;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.NavigableSet;

        assertArrayEquals(newFileId, actualFileId);

        assertEquals(96, bytesWritten); // 32 bytes header + 64 bytes info
    }

    // Helper interface for testing
    private interface TestFileInformation extends FileInformation, Encodable {
    }

    // This is a valid Type 3 message with proper structure
    private final String type3MessageBase64 = createValidType3Message();

    /**
     * Creates a valid Type 3 NTLM message for testing
     */
    private static String createValidType3Message() {
        // Build a properly formatted Type 3 message
        byte[] message = new byte[200];

        // NTLMSSP signature

    }

    @Test
    @DisplayName("Should handle invalid protocol ID length")
    void testInvalidProtocolIdLength() {
        // Protocol ID is a constant in transform header, not settable
        // Testing invalid protocol ID during decode instead
        byte[] invalidBuffer = new byte[52];
        // Write invalid protocol ID
        invalidBuffer[0] = 0x00;
        invalidBuffer[1] = 0x00;