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 {

            } catch (final SmbException smbe) {
                // Retrying only makes sense if the invalid parameter is an tree id. If we have a stale file descriptor
                // retrying make no sense, as it will never become available again.
                if (params.contains(RequestParam.NO_RETRY)

            "The network name cannot be found.",
            "No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept.",

            "The specified network name is no longer available.", "Network access is denied.", "The network name cannot be found.",
            "No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept.",

        assert (str.startsWith("TransTransactNamedPipeResponse["));
        assert (str.endsWith("]"));
    }
}

// We need to add a helper method to TransTransactNamedPipeResponse to make the test more precise
// Or create a visible subclass for testing.
// For now, let's assume we can modify the original class slightly for testability,
// or we accept the less precise testToStringFormat test.

        SmbException ex = new SmbException(123, true);
        assertEquals("123", ex.getMessage());
        assertEquals(123, ex.getNtStatus());
    }

    /**
     * Parameterised test covering many error codes.
     * - Error code 0 returns 0 (NT_STATUS_SUCCESS)
     * - Negative values with 0xC0000000 bits set are returned as-is
     * - Positive values not in DOS_ERROR_CODES map to NT_STATUS_UNSUCCESSFUL
     */

import jcifs.internal.util.SMBUtil;

/**
 * Tests for {@link SmbComLockingAndX}.  The source class exposes
 * its wire-format helpers as protected methods and its internal state
 * is stored in private fields; tests make use of the same package to
 * access those members directly.
 */
@ExtendWith(MockitoExtension.class)
class SmbComLockingAndXTest {

    /**
     * Helper for setting a field via reflection.
     */

                        response.wait(timeout);

                        /* JetDirect printer can respond to regular broadcast query
                         * with node status so we need to check to make sure that
                         * the record type matches the question type and if not,
                         * loop around and try again.
                         */

     */
    public boolean isDefaultRule() {
        return defaultRule;
    }

    /**
     * Sets whether this rule should be a default rule that matches all responses.
     * @param defaultRule true to make this a default rule, false otherwise
     */
    public void setDefaultRule(final boolean defaultRule) {
        this.defaultRule = defaultRule;
    }

    /**

- **Network Layer**: Transport abstraction, NetBIOS name resolution, session management

### Contributing

We welcome contributions! Please:
1. Fork the repository
2. Create a feature branch
3. Make your changes with appropriate tests
4. Run `mvn clean test` to ensure all tests pass
5. Submit a pull request

### License