assertThrows(SmbException.class, () -> tree.treeConnect(null, null));
        // After failure, state should be reset to disconnected
        assertEquals(0, tree.connectionState);
    }

    @Test
    void testSend() throws SmbException {
        SmbTree tree = new SmbTree(session, "testShare", "A:");
        tree.connectionState = 2; // Connected state
        tree.tid = 123;

    void testConstructor() {
        // Verify that the constructor correctly sets the delegate (inherited from CIFSContextWrapper)
        // and the credentials. The delegate is tested implicitly by calling super's methods.
        // We can directly test getCredentials() to ensure it returns the initial credentials.

        String field = "content";

        List<String> readings = converter.convert(text, field, "en", "ja", "fr");

        assertNotNull(readings);
        assertEquals(3, readings.size());
        assertEquals("TEST_en", readings.get(0));
        assertEquals("TEST_ja", readings.get(1));
        assertEquals("TEST_fr", readings.get(2));
    }

    @Test
    public void testConvertWithNoLanguages() throws IOException {

        assertEquals(Integer.MAX_VALUE, negotiationResponse.getTransactionBufferSize());

        // Test negative values (though not typical, should be tested)
        when(negotiationResponse.getSendBufferSize()).thenReturn(-1);
        when(negotiationResponse.getReceiveBufferSize()).thenReturn(-1);
        when(negotiationResponse.getTransactionBufferSize()).thenReturn(-1);

            oplockLevelField.setAccessible(true);
            assertEquals(oplockLevel, oplockLevelField.get(notification));

            // Log the test for clarity
            logger.debug("Tested oplock level: {} ({})", oplockLevel, description);
        }

        private static Stream<Arguments> provideOplockLevels() {

        byte[] decrypted2 = context.decryptMessage(encrypted2);
        assertArrayEquals(plaintext2, decrypted2);

        // Old encrypted data would need old keys to decrypt (not tested here)

        context.close();
    }

    @Test
    @DisplayName("Should rotate keys with SecureKeyManager")
    void testKeyRotationWithSecureKeyManager() throws Exception {
        // Given