return buffer;
        }
    }

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {

        @Test
        @DisplayName("Should maintain state after multiple reads")
        void testMultipleReads() throws SMBProtocolDecodingException {
            // First read
            byte[] buffer1 = createValidWriteResponse(1024, 512);
            response.readBytesWireFormat(buffer1, 0);

    }

    @Override
    // TODO: b/227335009 - Maybe change interruption behavior, but it requires thought.
    @SuppressWarnings("Interruption")
    public void run() {
      // If either of these reads return null then we must be after a successful cancel or another
      // call to this method.
      TimeoutFuture<V> timeoutFuture = timeoutFutureRef;
      if (timeoutFuture == null) {
        return;
      }

        }
        SMBUtil.writeInt8(this.sessionId, dst, dstIndex + 40);

        return Smb2Constants.SMB2_HEADER_LENGTH;
    }

    /**
     * Reads the SMB2 header from the wire format.
     *
     * @param buffer the buffer to read from
     * @param bufferIndex the starting position in the buffer
     * @return number of bytes read
     */

import jcifs.Configuration;

@ExtendWith(MockitoExtension.class)
class BufferCacheImplTest {

    @Mock
    Configuration cfg;

    // Verifies constructor that accepts Configuration reads the expected values and uses them
    @Test
    @DisplayName("Constructor(Configuration) uses cache size and maximum buffer size from config")
    void constructorUsesConfigurationAndAllocatesWithConfiguredSize() {

        update(sequence, 0, sequence.length);
        index += 8;
        if (response.command == ServerMessageBlock.SMB_COM_READ_ANDX) {
            /* SmbComReadAndXResponse reads directly from the stream into separate byte[] b.
             */
            final SmbComReadAndXResponse raxr = (SmbComReadAndXResponse) response;
            final int length = response.length - raxr.dataLength;

		"Count of online drives")
	driveCountMD = NewGaugeMD(driveCount,
		"Count of all drives")

	// iostat related
	driveReadsPerSecMD = NewGaugeMD(driveReadsPerSec,
		"Reads per second on a drive",
		allDriveLabels...)
	driveReadsKBPerSecMD = NewGaugeMD(driveReadsKBPerSec,
		"Kilobytes read per second on a drive",
		allDriveLabels...)
	driveReadsAwaitMD = NewGaugeMD(driveReadsAwait,

	return
}

func newDriveMetricsCache() *cachevalue.Cache[storageMetrics] {
	var (
		// prevDriveIOStats is used to calculate "per second"
		// values for IOStat related disk metrics e.g. reads/sec.
		prevDriveIOStats            map[string]madmin.DiskIOStats
		prevDriveIOStatsMu          sync.RWMutex
		prevDriveIOStatsRefreshedAt time.Time
	)

		}
		err := s.Err()
		if err != nil {
			t.Errorf("#%d: %v", n, err)
		}
	}
}

// slowReader is a reader that returns only a few bytes at a time, to test the incremental
// reads in Scanner.Scan.
type slowReader struct {
	max int
	buf io.Reader
}

func (sr *slowReader) Read(p []byte) (n int, err error) {
	if len(p) > sr.max {
		p = p[0:sr.max]
	}
	return sr.buf.Read(p)

        default -> false;
        };
    }

    /**
     * Processes and saves an image from the input stream to the output file as a thumbnail.
     *
     * <p>This method reads image data, validates dimensions, applies subsampling and scaling
     * transformations based on configuration settings, and writes the processed thumbnail
     * to the specified output file.</p>
     *

   * contention. See above for explanation. This method suffers the usual non-modularity problems of
   * optimistic retry code, relying on rechecked sets of reads.
   *
   * @param x the value
   * @param hc the hash code holder
   * @param wasUncontended false if CAS failed before call
   */
  final void retryUpdate(long x, int @Nullable [] hc, boolean wasUncontended) {