@Test
    void encodeWithSpiedBufferCallsEncMethod() throws NdrException {
        NdrShort ns = new NdrShort(42);
        NdrBuffer spy = spy(new NdrBuffer(new byte[10], 0));
        ns.encode(spy);
        // NdrShort passes its value (already masked to 0xFF) to enc_ndr_short
        verify(spy).enc_ndr_short(42);
    }

    /**
     * Verify that decode invokes NdrBuffer.dec_ndr_short.
     */
    @Test

    void optionsMap_notMutated_verifyNoWrites() {
        // Arrange: create a regular map first, then spy on it
        Map<String, Object> originalMap = new HashMap<>();
        originalMap.put("refreshKrb5Config", "true");

        @SuppressWarnings("unchecked")
        Map<String, Object> spyOpts = spy(originalMap);

        // Reset the spy to clear any prior invocations from setup
        reset(spyOpts);

    void constructor_withDelegate_acquireAndReleaseForwarded() {
        // Arrange: delegate we can spy on for interaction verification
        CIFSContext ctx = mock(CIFSContext.class);
        SmbTreeConnectionTrace delegate = Mockito.spy(new SmbTreeConnectionTrace(ctx));

        // Act: create wrapper using delegate, then acquire and release once

        assertEquals(0, blob.length(), "length() should return 0 when internal array is null");
    }

    @Spy
    SecurityBlob spyBlob = new SecurityBlob();

    // Illustrates Mockito interaction verification by spying on set() and validating behavior
    @Test
    @DisplayName("Mockito spy: verify set() interaction and resulting behavior")
    void spy_verifySetInteraction() {
        // Arrange

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;

        context.run();

        assertTrue(context.isCloseCalled()); // Verify close() was called
    }

    @Test
    void testRun_closeThrowsException() throws CIFSException {
        // Create a spy on the context to make close() throw an exception
        TestAbstractCIFSContext spyContext = new TestAbstractCIFSContext(mockCredentials) {
            @Override
            public boolean close() throws CIFSException {