// Act: call twice
        try (SmbTreeHandleImpl t1 = target.ensureTreeConnected(); SmbTreeHandleImpl t2 = target.ensureTreeConnected()) {
            assertSame(tree, t1);
            assertSame(tree, t2);
        }

        // Assert: pipe.ensureTreeConnected invoked once, acquire twice
        verify(pipe, times(1)).ensureTreeConnected();

        assertTrue(ex.getMessage().contains("Server does not support NTLM authentication"));

        // Verify the decision consulted the configuration
        // getConfig() is called twice: once in Kerb5Authenticator and once in NtlmPasswordAuthenticator
        verify(tc, times(2)).getConfig();
        verify(config, times(1)).isAllowNTLMFallback();
        verify(config, times(1)).isUseRawNTLM();
    }

        shareInfo1.encode(mockNdrBuffer);

        // Verify the encode operations
        verify(mockNdrBuffer).align(4);
        verify(mockNdrBuffer, times(2)).enc_ndr_referent(null, 1); // Called twice for netname and remark
        verify(mockNdrBuffer).enc_ndr_long(0);
        // Should not encode strings if fields are null
        verify(mockDeferredBuffer, never()).enc_ndr_string(anyString());
    }

    @Test

        assertFalse(it.hasNext());

        // Verify interactions
        verify(tree, times(1)).send(isA(Trans2FindFirst2.class), any(Trans2FindFirst2Response.class));
        // Verify that Trans2FindNext2 was sent twice for fetching more entries
        verify(tree, times(2)).send(isA(Trans2FindNext2.class), any(Trans2FindFirst2Response.class));

        // Close should have sent FindClose2 exactly once

    }

    @Test
    public void testDifferentEncryptionsProduceDifferentCiphertexts() throws Exception {
        char[] plaintext = "SamePassword".toCharArray();

        // Encrypt twice
        byte[] encrypted1 = storage.encryptCredentials(plaintext.clone());
        byte[] encrypted2 = storage.encryptCredentials(plaintext.clone());

        // Should produce different ciphertexts due to random IV

        // Act: call methods, some multiple times
        String name = mockEntry.getName();
        int type1 = mockEntry.getType();
        int type2 = mockEntry.getType(); // called twice for interaction verification
        int attributes = mockEntry.getAttributes();
        long createTime = mockEntry.createTime();
        long lastModified = mockEntry.lastModified();

    @DisplayName("Should produce consistent keys for same input")
    void testDeriveKeys_Consistency() {
        // Given
        int dialect = Smb2Constants.SMB2_DIALECT_0311;

        // When - derive same key twice
        byte[] signingKey1 = Smb3KeyDerivation.deriveSigningKey(dialect, sessionKey, preauthIntegrity);
        byte[] signingKey2 = Smb3KeyDerivation.deriveSigningKey(dialect, sessionKey, preauthIntegrity);

     * need to be on the same host. This operation does not copy extended
     * file attributes such as ACLs but it does copy regular attributes as
     * well as create and last write times. This method is almost twice as
     * efficient as manually copying as it employs an additional write
     * thread to read and write data concurrently.
     * <br>
     * It is not possible (nor meaningful) to copy entire workgroups or