digest.update(data1, 0, data1.length);
        byte[] result1 = digest.digest();
        assertNotNull(result1);

        // Second cycle
        byte[] data2 = new byte[] { 0x05, 0x06, 0x07, 0x08 };
        digest.update(data2, 0, data2.length);
        byte[] result2 = digest.digest();
        assertNotNull(result2);

        // Results should be different due to different input

        char[] password3 = "testpassworX".toCharArray();

        Boolean result1 = (Boolean) constantTimeMethod.invoke(null, password1, password2);
        Boolean result2 = (Boolean) constantTimeMethod.invoke(null, password1, password3);

        assertTrue(result1, "Identical passwords should be equal");
        assertFalse(result2, "Different passwords should not be equal");
    }

    /**

        // First call should read the file
        NbtAddress result1 = lmhosts.getByName("TESTHOST", mockContext);
        assertNotNull(result1);

        // Second call should use cached data (file not modified)
        NbtAddress result2 = lmhosts.getByName("TESTHOST", mockContext);
        assertNotNull(result2);
        assertEquals(result1, result2);
    }

    @Test

        SuggestWriterResult result2 =
                writer.write(runner.client(), suggester.settings(), suggester.getIndex(), new SuggestItem[] { updatedItem }, true);
        assertNotNull(result2);
        assertFalse(result2.hasFailure());

        runner.refresh();

        GetResponse getResponse =

        // Call getSecurity multiple times - should return consistent results
        ACE[] result1 = msrpcShareGetInfo.getSecurity();
        ACE[] result2 = msrpcShareGetInfo.getSecurity();

        // Both should be null (no DACL)
        assertNull(result1);
        assertNull(result2);
    }

    @Test

            int result1 = response.decode(buffer, 0, 10);
            assertEquals(10, result1);

            // Test at buffer end
            int result2 = response.decode(buffer, 90, 10);
            assertEquals(10, result2);

            // Test full buffer
            int result3 = response.decode(buffer, 0, 100);
            assertEquals(100, result3);
        }

        @Test

        assertTrue(result.contains("TransWaitNamedPipeResponse["));
        assertTrue(result.endsWith("]"));
    }

    @Test
    @DisplayName("toString should include parent class information")
    void testToStringIncludesParentInfo() {
        // Act
        String result = response.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransWaitNamedPipeResponse"));

            // Given
            when(transportPool.close()).thenReturn(false);

            // When
            boolean result1 = transportPool.close();
            boolean result2 = transportPool.close();

            // Then
            assertFalse(result1);
            assertFalse(result2);
            verify(transportPool, times(2)).close();
        }
    }

    @Nested

        when(mockBuilder.setPreference(any(String.class))).thenReturn(mockBuilder);

        fesenClient.setSearchPreference("_local");

        final SearchRequestBuilder result1 = fesenClient.prepareSearch("index1");
        final SearchRequestBuilder result2 = fesenClient.prepareStreamSearch("index1");

        // Both should use the same underlying mechanism
        verify(mockClient, times(2)).prepareSearch(any(String[].class));

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

        assertNotNull(results);
        // Results may vary based on analyzer configuration
    }

    @Test
    public void testConvertWithMultipleLanguages() throws IOException {
        // Test convert with multiple languages
        String text = "test text";
        String field = "content";