// Verify that the wrap method was called exactly once
        verify(dcerpcSecurityProvider, times(1)).wrap(mockNdrBuffer);
    }

    @Test
    void testUnwrapMethodIsCalled() throws DcerpcException {
        // Test that the unwrap method can be called without throwing an exception
        dcerpcSecurityProvider.unwrap(mockNdrBuffer);

        // Verify that the unwrap method was called exactly once with the mockNdrBuffer

    }

    /**
     * Tests the total number of enum constants.
     */
    @Test
    void testNumberOfEnumConstants() {
        // Ensure there are exactly 4 resolver types
        assertEquals(4, ResolverType.values().length, "There should be exactly 4 resolver types.");
    }

    /**
     * Tests the names of the enum constants.
     */
    @Test
    void testEnumNames() {

        buffer[26] = 0x00;
        buffer[27] = 0x00;

        // Decode
        int bytesConsumed = response.decode(buffer, 0, 28);

        // Verify
        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes");

        byte[] resumeKey = response.getResumeKey();
        assertNotNull(resumeKey, "Resume key should not be null");
        assertEquals(24, resumeKey.length, "Resume key should be 24 bytes");

        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException(mockCause);

        // Assert cause propagation
        assertSame(mockCause, ex.getCause(), "Cause should be exactly the provided instance");

        // Access common Throwable methods to exercise paths without touching the cause
        assertNotNull(ex.toString(), "toString should be non-null");

        final int availableAfter = in.available();
        assertEquals("Stream should not be consumed by validation", availableBefore, availableAfter);
    }

    /**
     * Test that validateInputStream is called exactly once per getText call.
     */
    public void test_validateInputStream_calledOncePerGetText() {
        final InputStream in = new ByteArrayInputStream("test".getBytes());

        extractor.resetTestState();

        // Execute decode
        int bytesDecoded = response.decode(buffer, bufferIndex, 24);

        // Verify results
        assertEquals(24, bytesDecoded, "Should decode exactly 24 bytes");
        assertEquals(testCapabilities, response.getCapabilities(), "Capabilities should match");
        assertArrayEquals(testGuid, response.getServerGuid(), "Server GUID should match");

        NdrHyper ndrHyper = new NdrHyper(testValue);

        // Call the encode method with the mocked NdrBuffer
        ndrHyper.encode(mockNdrBuffer);

        // Verify that enc_ndr_hyper was called exactly once with the correct value
        verify(mockNdrBuffer, times(1)).enc_ndr_hyper(testValue);
        verifyNoMoreInteractions(mockNdrBuffer);
    }

    @Test
    void testDecode() throws NdrException {

        int testValue = 98765;
        NdrLong ndrLong = new NdrLong(testValue);

        // Call the encode method
        ndrLong.encode(mockNdrBuffer);

        // Verify that enc_ndr_long was called exactly once with the correct value
        verify(mockNdrBuffer, times(1)).enc_ndr_long(testValue);
        // Verify that no other interactions occurred with the mock buffer
        verifyNoMoreInteractions(mockNdrBuffer);
    }

        final List<String> indices = (List<String>) method.invoke(suggester, aliasName);

        assertNotNull("Indices list should not be null", indices);
        assertEquals("Should find exactly one index", 1, indices.size());
        assertEquals("Should return correct index name", indexName, indices.get(0));

        // Cleanup
        client.admin().indices().prepareDelete(indexName).execute().actionGet();

        // Act
        AppConfigurationEntry[] entries = cfg.getAppConfigurationEntry("ignored");

        // Assert
        assertNotNull(entries, "Entries array should not be null");
        assertEquals(1, entries.length, "Exactly one entry is expected");
        AppConfigurationEntry e = entries[0];
        assertNotNull(e, "Entry should not be null");
        assertEquals(EXPECTED_LOGIN_MODULE, e.getLoginModuleName(), "Login module should be Kerberos");