assertEquals("remove", ex.getMessage());
    }

    @Nested
    @DisplayName("Invalid constructor inputs")
    class InvalidInputs {
        @Test
        @DisplayName("Null delegate causes NullPointerException during construction")
        void nullDelegate_throwsNPE() throws Exception {
            SmbFile parent = newParent();

    @Nested
    class InvalidConstruction {
        @Test
        @DisplayName("Negative maxBuffers throws immediately in constructor")
        void negativeMaxBuffersThrows() {
            assertThrows(NegativeArraySizeException.class, () -> new BufferCacheImpl(-1, 10));
        }

        @Test
        @DisplayName("Negative maxSize throws when allocating a new buffer")

            assertEquals(6, decodedSize);
            assertArrayEquals(new int[] { 1, 2 }, context.getCiphers());
        }
    }

    @Nested
    @DisplayName("Interface Tests")
    class InterfaceTest {

        @Test
        @DisplayName("Should implement NegotiateContextResponse interface correctly")
        void testInterfaceImplementation() {
            // Arrange

    }

    @Test
    @DisplayName("Should return the credentials provided in the constructor")
    void testGetCredentials() {
        assertEquals(mockCredentials, wrapper.getCredentials(), "getCredentials should return the initially set credentials");
    }

    @Test
    @DisplayName("Should renew credentials when they are renewable and renew() returns new credentials")

        smbInfoAllocation = new SmbInfoAllocation();
    }

    @Test
    @DisplayName("Test getFileSystemInformationClass returns SMB_INFO_ALLOCATION")
    void testGetFileSystemInformationClass() {
        assertEquals(FileSystemInformation.SMB_INFO_ALLOCATION, smbInfoAllocation.getFileSystemInformationClass());
    }

    @Test
    @DisplayName("Test decode with typical values")

import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.util.ArrayList;
import java.util.List;

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.CsvSource;

    }

    @Test
    @DisplayName("Constructor with null cfg throws NPE")
    void constructor_nullCfg_throwsNPE() {
        stubValidTree(7L, true, true);
        assertThrows(NullPointerException.class, () -> new SmbFileHandleImpl(null, 42, tree, "//server/share", 0, 0, 0, 0, 0L));
    }

    @Test
    @DisplayName("getTree() acquires and returns same tree instance")

        response = new NetShareEnumResponse(mockConfig);
    }

    @Test
    @DisplayName("Test constructor with configuration")
    void testConstructor() {
        assertNotNull(response);
        // Response is successfully created with configuration
        assertTrue(response instanceof NetShareEnumResponse);
    }

    @Test
    @DisplayName("Test writeSetupWireFormat returns 0")
    void testWriteSetupWireFormat() {

    }

    @Test
    @DisplayName("Should return dialect revision")
    void testGetDialectRevision() throws Exception {
        // Given
        setPrivateField(response, "dialectRevision", 0x0311);

        // When
        int dialect = response.getDialectRevision();

        // Then
        assertEquals(0x0311, dialect);
    }

    @Test
    @DisplayName("Should return server GUID")

    }

    @Test
    @DisplayName("Test readBytesWireFormat returns 0")
    void testReadBytesWireFormat() {
        request = new Smb2CreateRequest(mockConfig, "test.txt");

        byte[] buffer = new byte[1024];
        int bytesRead = request.readBytesWireFormat(buffer, 0);

        assertEquals(0, bytesRead);
    }

    @Test
    @DisplayName("Test all oplock level constants")