import java.io.IOException;
import java.lang.reflect.Field;
import java.net.UnknownHostException;
import java.util.List;
import java.util.Map;

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;
import org.mockito.Mock;

    @Test
    @DisplayName("getTransport returns mocked transport")
    void getTransport_happy() {
        when(session.getTransport()).thenReturn(transport);
        assertSame(transport, session.getTransport());
        verify(session).getTransport();
    }

    // Happy path: connect to logon share completes without exception
    @Test
    @DisplayName("treeConnectLogon performs call without exception")

    }

    @Test
    @DisplayName("Test singleton instance")
    void testSingletonInstance() {
        SecurityAuditLogger logger1 = SecurityAuditLogger.getInstance();
        SecurityAuditLogger logger2 = SecurityAuditLogger.getInstance();
        assertSame(logger1, logger2, "SecurityAuditLogger should be a singleton");
    }

    @Test
    @DisplayName("Test log authentication success")

    }

    @Nested
    @DisplayName("Edge case values")
    class EdgeCases {

        @Test
        @DisplayName("Null name is allowed via mock")
        void nullName() {
            FileEntry mock = mock(FileEntry.class);
            when(mock.getName()).thenReturn(null);
            assertNull(mock.getName());
        }

        @Test
        @DisplayName("Negative length is allowed via mock")

        assertTrue(resp instanceof ServerMessageBlock2);
    }

    @Test
    @DisplayName("Should return correct OVERHEAD constant value")
    void testOverheadConstant() {
        // Then
        assertEquals(Smb2Constants.SMB2_HEADER_LENGTH + 16, Smb2ReadResponse.OVERHEAD);
    }

    @Test
    @DisplayName("Should initially have zero data length")
    void testInitialDataLength() {
        // Then

    }

    @Test
    @DisplayName("connectLogon accepts null context but still invokes")
    void connectLogon_withNull_isInvoked() throws Exception {
        // Act
        tree.connectLogon(null);

        // Assert - even null should be passed through to implementation
        verify(tree).connectLogon(null);
    }

    @Test
    @DisplayName("connectLogon propagates SmbException from implementation")

import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;

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.EnumSource;

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mockito;

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

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;

     */
    @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.
     */
    @Test