/** Map pre-created before experiment starts to only measure iteration cost during experiment. */
  Map<Element, Element> map;

  CollectionBenchmarkSampleData elems;

  @Param({"0", "1", "100", "10000"})
  int elements;

  @BeforeExperiment
  public void prepareContents() throws Exception {
    mapsImpl = mapEnums.get(implName);
    elems = new CollectionBenchmarkSampleData(elements);

        // The validation in getBuffer() ensures size is within bounds (0 < size <= 1MB)
        assertTrue(buffer.length > 0, "Buffer size should be positive");
        assertTrue(buffer.length <= 0x100000, "Buffer size should not exceed 1MB");
    }

    /**
     * Test that releaseBuffer validates buffer before accepting it.
     */
    @Test
    public void testReleaseBufferValidation() {

            when(mockTree.areSignaturesActive()).thenReturn(false);
            when(mockConfig.getReceiveBufferSize()).thenReturn(0x200000); // large to allow big block size
            when(mockTree.getReceiveBufferSize()).thenReturn(0x200000);
            when(mockTree.getMaximumBufferSize()).thenReturn(0x200000);

            // Make TYPE_FILESYSTEM path, not named pipe

 * Each version corresponds to different Windows Server releases and capabilities.
 */
public enum WitnessVersion {
    /**
     * Witness Protocol Version 1 - Windows Server 2012
     */
    VERSION_1(0x00010001),

    /**
     * Witness Protocol Version 2 - Windows Server 2012 R2 and later
     */
    VERSION_2(0x00020000);

    private final int version;

    /**

    private BufferCache() {
        // Utility class - not instantiable
    }

    private static final int MAX_BUFFERS = Config.getInt("jcifs.smb1.smb.maxBuffers", 16);
    private static final int MAX_BUFFER_SIZE = 0x100000; // 1MB maximum

    // Use concurrent queue for lock-free operations
    private static final java.util.concurrent.ConcurrentLinkedQueue<byte[]> bufferQueue =
            new java.util.concurrent.ConcurrentLinkedQueue<>();

    void testIntToHexString() {
        // Test various integer values
        assertEquals("00000000", Hexdump.toHexString(0, 8));
        assertEquals("000000FF", Hexdump.toHexString(255, 8));
        assertEquals("00001000", Hexdump.toHexString(4096, 8));
        assertEquals("FFFFFFFF", Hexdump.toHexString(-1, 8));

        // Test different sizes
        assertEquals("00", Hexdump.toHexString(0, 2));

    void testWitnessVersions() {
        assertEquals(2, WitnessVersion.values().length);

        WitnessVersion v1 = WitnessVersion.VERSION_1;
        WitnessVersion v2 = WitnessVersion.VERSION_2;

        assertEquals(0x00010001, v1.getValue());
        assertEquals(0x00020000, v2.getValue());

        // Verify version ordering
        assertTrue(v2.getValue() > v1.getValue());
    }

    @Test
    void testWitnessEventTypes() {

        assertEquals(0x10000, Smb2CreateRequest.FILE_OPEN_REQUIRING_OPLOCK);
        assertEquals(0x20000, Smb2CreateRequest.FILE_DISALLOW_EXCLUSIVE);
        assertEquals(0x100000, Smb2CreateRequest.FILE_RESERVE_OPFILTER);
        assertEquals(0x200000, Smb2CreateRequest.FILE_OPEN_REPARSE_POINT);
        assertEquals(0x400000, Smb2CreateRequest.FILE_NOP_RECALL);

    }
  }

  @Test fun `decode length equal to Long MAX_VALUE`() {
    val buffer =
      Buffer()
        .writeByte(0b00000010)
        .writeByte(0b10001000)
        .writeByte(0b01111111)
        .writeByte(0b11111111)
        .writeByte(0b11111111)
        .writeByte(0b11111111)
        .writeByte(0b11111111)
        .writeByte(0b11111111)

        src[srcIndex + 34] = 0x00;
        src[srcIndex + 35] = 0x24; // 00100100 - P-node, active

        // M-node (10)
        System.arraycopy("MNODE           ".getBytes("US-ASCII"), 0, src, srcIndex + 37, 16);
        src[srcIndex + 52] = 0x00;
        src[srcIndex + 53] = 0x44; // 01000100 - M-node, active

        // H-node (11)