}

    @Test
    @DisplayName("Close delegates to underlying stream")
    void closeDelegatesToUnderlyingStream(@Mock InputStream mockIn) throws IOException {
        SocketInputStream sis = new SocketInputStream(mockIn);
        sis.close();
        verify(mockIn).close();
    }

    @Test
    @DisplayName("Read array delegates to read with offset and length")

    }

    @Test
    @DisplayName("Test FileBasicInfo size method")
    void testFileBasicInfoSize() {
        // Given
        FileBasicInfo info = new FileBasicInfo();

        // When & Then
        assertEquals(40, info.size());
    }

    @Test
    @DisplayName("Test FileBasicInfo toString method")
    void testFileBasicInfoToString() {

import java.net.URLStreamHandlerFactory;
import java.util.ArrayList;
import java.util.List;

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

        @Test
        @DisplayName("Should initialize with self-referencing next")
        void testConstructorInitialization() {
            DfsReferralDataImpl data = new DfsReferralDataImpl();
            assertNotNull(data.next());
            assertSame(data, data.next());
        }
    }

    @Nested
    @DisplayName("Unwrap Tests")
    class UnwrapTests {

        @Test

    }

    @Nested
    @DisplayName("Filter Flags Constants Tests")
    class FilterFlagsTests {

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_FILE_NAME constant value")
        void testFileNotifyChangeFileName() {
            assertEquals(0x00000001, FileNotifyInformation.FILE_NOTIFY_CHANGE_FILE_NAME);
        }

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_DIR_NAME constant value")

        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test
        @DisplayName("Should have correct SMB2_READFLAG_READ_UNBUFFERED value")
        void testReadUnbufferedFlag() {
            assertEquals((byte) 0x1, Smb2ReadRequest.SMB2_READFLAG_READ_UNBUFFERED);
        }

        @Test
        @DisplayName("Should have correct SMB2_CHANNEL_NONE value")

        @DisplayName("Should extend jcifs.smb1.http.Handler")
        void testInheritance() {
            // Then
            assertTrue(handler instanceof jcifs.smb1.http.Handler);
            assertTrue(handler instanceof URLStreamHandler);
        }
    }

    @Nested
    @DisplayName("Default Port Tests")
    class DefaultPortTests {

        @Test
        @DisplayName("Should return HTTPS port 443")

    @ParameterizedTest
    @EmptySource
    @DisplayName("valueOf(\"\") throws IllegalArgumentException for empty input")
    void valueOfRejectsEmpty(String empty) {
        assertThrows(IllegalArgumentException.class, () -> RequestParam.valueOf(empty));
    }

    // Invalid: null is not allowed for valueOf
    @ParameterizedTest
    @NullSource
    @DisplayName("valueOf(null) throws NullPointerException")

        }

        @Test
        @DisplayName("Should not throw when preparing with null next response")
        void testPrepareWithNullNext() {
            assertDoesNotThrow(() -> response.prepare(mockRequest));
        }
    }

    @Nested
    @DisplayName("State Management Tests")
    class StateManagementTests {

        @Test
        @DisplayName("Should reset state correctly")

        @Test
        @DisplayName("isCancel should always return false")
        void testIsCancel() {
            assertFalse(testRequest.isCancel());
        }

        @Test
        @DisplayName("getCreditCost should return 1 by default")
        void testGetCreditCost() {
            assertEquals(1, testRequest.getCreditCost());
        }

        @Test
        @DisplayName("setRequestCredits should set credit value")