*
     * @throws IOException if `protocol` is unknown.
     */
    @JvmStatic
    @Throws(IOException::class)
    fun get(protocol: String): Protocol {
      // Unroll the loop over values() to save an allocation.
      @Suppress("DEPRECATION")
      return when (protocol) {
        HTTP_1_0.protocol -> HTTP_1_0
        HTTP_1_1.protocol -> HTTP_1_1
        H2_PRIOR_KNOWLEDGE.protocol -> H2_PRIOR_KNOWLEDGE

        // Allocate regions larger than pool buffer size to force new allocations
        RdmaMemoryRegion region1 = bufferManager.getSendRegion(131072); // 128KB > 64KB pool size
        RdmaMemoryRegion region2 = bufferManager.getSendRegion(131072); // Another large allocation

        assertTrue(bufferManager.getTotalAllocated() > initialAllocated, "Total allocated should increase");

        }

        // Since cache cannot store, getBuffer must create a new buffer of configured size
        byte[] got = impl.getBuffer();
        assertNotNull(got);
        assertEquals(8, got.length, "Allocation uses configured maximum size when cache is empty");
        assertNotSame(supplied, got, "Zero-sized cache must not return the released instance");
    }

    // Edge: releasing null must be a no-op without exceptions

        when(response.getHeaderStart()).thenReturn(0);

        // Write FileFsSizeInformation data (24 bytes)
        SMBUtil.writeInt8(1000000, buffer, 20); // Total allocation units
        SMBUtil.writeInt8(500000, buffer, 28); // Available allocation units
        SMBUtil.writeInt4(512, buffer, 36); // Sectors per unit
        SMBUtil.writeInt4(4096, buffer, 40); // Bytes per sector

            // Change Time (8 bytes)
            long changeTime = creationTime + 3000000L;
            SMBUtil.writeInt8(changeTime, buffer, bufferIndex + 32);
            // Allocation Size (8 bytes)
            SMBUtil.writeInt8(4096, buffer, bufferIndex + 40);
            // End of File (8 bytes)
            SMBUtil.writeInt8(1024, buffer, bufferIndex + 48);
            // File Attributes (4 bytes)

     * The total length of this DCERPC message
     */
    protected int length = 0;
    /**
     * The call ID for matching requests and responses
     */
    protected int call_id = 0;
    /**
     * The allocation hint for buffer sizing
     */
    protected int alloc_hint = 0;
    /**
     * The result code of the DCERPC operation
     */
    protected int result = 0;

    /**

 * traditional {@code LinkedHashMap} implementation which stores keys and count values as map
 * entries, {@code ObjectCountLinkedHashMap} minimizes object allocation and reduces memory
 * footprint.
 */
@GwtCompatible
@NullMarked
final class ObjectCountLinkedHashMap<K extends @Nullable Object> extends ObjectCountHashMap<K> {

        assertTrue(result.contains("sectPerAlloc=" + sectPerAlloc));
        assertTrue(result.contains("bytesPerSect=" + bytesPerSect));
    }

    @Test
    @DisplayName("Test decode with single sector per allocation")
    void testDecodeWithSingleSectorPerAllocation() throws SMBProtocolDecodingException {
        // Prepare test data with sectPerAlloc = 1
        byte[] buffer = new byte[22];
        int idFileSystem = 0x11111111;

        RdmaProvider provider = RdmaProviderFactory.selectBestProvider();

        try (RdmaBufferManager bufferManager = new RdmaBufferManager(provider)) {
            // Test basic buffer allocation
            RdmaMemoryRegion sendRegion = bufferManager.getSendRegion(4096);
            assertNotNull(sendRegion, "Send region should not be null");

    /*
     * TODO: cpovirk - Pre-size the HashMap based on the number of enum values? (But *not* based on
     * the number of entries in the map, as that makes it easy for hostile inputs to trigger lots of
     * allocation—not that any program should be deserializing hostile inputs to begin with!)
     */
    setDelegates(new EnumMap<K, V>(keyTypeOrObjectUnderJ2cl), new HashMap<V, K>());
    Serialization.populateMap(this, stream);
  }