assertTrue(afterTripTime < 200, "Time should be reasonable");

        // Reset circuit
        circuitBreaker.reset();
        Thread.sleep(50);

        long afterResetTime = circuitBreaker.getTimeSinceLastStateChange();
        assertTrue(afterResetTime >= 50, "Time should have reset");
        assertTrue(afterResetTime < 100, "Time should be reasonable");
    }

    @Test

            throw new SmbException("Invalid file size: " + size);
        }

        // Reasonable upper limit (1TB)
        long maxSize = 1099511627776L;
        if (size > maxSize) {
            failedValidations.incrementAndGet();
            log.warn("File size exceeds reasonable limit: {} > {}", size, maxSize);
            throw new SmbException("File size exceeds limit: " + size);
        }
    }

                // All values should be positive
                assertTrue(value > 0, "Constant " + field.getName() + " should have positive value");
                // Values should be within reasonable range for security flags
                assertTrue(value <= 0xFFFF, "Constant " + field.getName() + " value seems unusually large");
            }
        }
    }

    /**

        // Check that filename is written correctly (starting at offset 6)
        // The filename should be null-terminated Unicode string
        assertTrue(written > 6);

        // Verify the total bytes written is reasonable
        assertTrue(written > TEST_FILENAME.length());
    }

    @ParameterizedTest
    @CsvSource({ "4, 257", // FILE_BASIC_INFO -> 0x0101
            "5, 258", // FILE_STANDARD_INFO -> 0x0102

    }

    @Test
    @DisplayName("Test decode with maximum file name length")
    void testDecodeMaxFileNameLength() throws SMBProtocolDecodingException {
        // Create a very long filename (but within reasonable bounds)
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 255; i++) {
            sb.append('A');
        }
        String longFileName = sb.toString();

        @DisplayName("Should handle maximum buffer index")
        void testMaxBufferIndex() throws SMBProtocolDecodingException {
            // Given
            byte[] buffer = new byte[Integer.MAX_VALUE / 1000]; // Use reasonable size
            int bufferIndex = buffer.length - 4;
            SMBUtil.writeInt2(4, buffer, bufferIndex);

            // When
            int bytesRead = response.readBytesWireFormat(buffer, bufferIndex);

        assertEquals(threadCount * operationsPerThread, treeOperations.get());
        assertTrue(avgOpTimeNs < 100000, "Tree operations should be reasonable with CopyOnWriteArrayList");

        session.release();
    }

    /**
     * Performance regression test for all critical fixes
     */
    @Test

                auth1.equals(auth3);
                auth2.equals(auth3);
            }
            long totalTime = System.nanoTime() - startTime;

            // Should complete in reasonable time (< 10ms for 3000 operations)
            assertTrue(totalTime < 10_000_000L, "Null/empty password comparisons taking too long: " + totalTime + " ns");
        } finally {
            auth1.close();

        assertTrue(addr.isActive);
        assertTrue(addr.isPermanent);
    }

    @Test
    void readRDataWireFormat_shouldHandleMultipleNames() throws Exception {
        // Test with maximum reasonable number of names
        int numNames = 10;
        int dataLength = 1 + (18 * numNames) + 6 + 6;
        byte[] src = new byte[dataLength];
        int srcIndex = 0;

import jcifs.util.Encdec;

public class NdrBufferTest {

    private byte[] buffer;
    private NdrBuffer ndrBuffer;

    @BeforeEach
    void setUp() {
        buffer = new byte[1024]; // Initialize with a reasonable size
        ndrBuffer = new NdrBuffer(buffer, 0);
    }

    @Test
    void testConstructor() {
        // Verify initial state
        assertEquals(0, ndrBuffer.start);