byte[] buffer1 = new byte[1024];
            int bytesRead1 = stream1.read(buffer1);
            assertEquals(testContent, new String(buffer1, 0, bytesRead1, "UTF-8"));
        }

        // Second read - should work independently
        try (InputStream stream2 = cache.getInputStream()) {
            byte[] buffer2 = new byte[1024];
            int bytesRead2 = stream2.read(buffer2);

            // Then
            assertEquals(4, bytesRead);
        }

        @Test
        @DisplayName("Should handle concurrent access safely")
        void testConcurrentAccess() throws InterruptedException {
            // Given
            byte[] buffer1 = new byte[10];
            byte[] buffer2 = new byte[10];
            SMBUtil.writeInt2(4, buffer1, 0);

        // Encode multiple times to verify consistency
        byte[] buffer1 = new byte[8];
        byte[] buffer2 = new byte[8];

        int bytes1 = info.encode(buffer1, 0);
        int bytes2 = info.encode(buffer2, 0);

        assertEquals(8, bytes1);
        assertEquals(8, bytes2);
        assertArrayEquals(buffer1, buffer2);
    }

    @Test
    @DisplayName("Test multiple decode operations")

        // Write to buffer
        SMBUtil.writeInt4(testCapabilities, buffer, bufferIndex);
        System.arraycopy(testGuid, 0, buffer, bufferIndex + 4, 16);
        SMBUtil.writeInt2(testSecurityMode, buffer, bufferIndex + 20);
        SMBUtil.writeInt2(testDialect, buffer, bufferIndex + 22);

        // Execute decode
        int bytesDecoded = response.decode(buffer, bufferIndex, 24);

        // Verify results

        byte[] buffer = new byte[28];

        // Fill resume key with test pattern
        for (int i = 0; i < 24; i++) {
            buffer[i] = (byte) (i + 1);
        }

        // Add context length (reserved) - 4 bytes
        buffer[24] = 0x00;
        buffer[25] = 0x00;
        buffer[26] = 0x00;
        buffer[27] = 0x00;

        // Decode

            // Given - first decode
            ByteBuffer buffer1 = ByteBuffer.allocate(24);
            buffer1.order(ByteOrder.LITTLE_ENDIAN);
            buffer1.putLong(1000L);
            buffer1.putLong(500L);
            buffer1.putInt(8);
            buffer1.putInt(512);

            fileFsSizeInfo.decode(buffer1.array(), 0, 24);
            long firstCapacity = fileFsSizeInfo.getCapacity();

            // Given - first decode
            ByteBuffer buffer1 = ByteBuffer.allocate(32);
            buffer1.order(ByteOrder.LITTLE_ENDIAN);
            buffer1.putLong(1000L);
            buffer1.putLong(500L);
            buffer1.putLong(500L);
            buffer1.putInt(8);
            buffer1.putInt(512);

            fileFsFullSizeInfo.decode(buffer1.array(), 0, 32);

            // First read
            byte[] buffer1 = new byte[60];
            SMBUtil.writeInt2(60, buffer1, 0);
            SMBUtil.writeInt2(1, buffer1, 2);
            SMBUtil.writeInt8(1000, buffer1, 40);
            SMBUtil.writeInt8(500, buffer1, 48);
            SMBUtil.writeInt4(0x01, buffer1, 56);

            response.readBytesWireFormat(buffer1, 0);

            assertEquals(1, response.getCloseFlags());

        byte[] buffer1 = new byte[256];
        byte[] buffer2 = new byte[256];

        // When
        int bytes1 = request.writeBytesWireFormat(buffer1, 0);
        int bytes2 = request.writeBytesWireFormat(buffer2, 10);

        // Then
        assertEquals(bytes1, bytes2);
        assertEquals(SMBUtil.readInt2(buffer1, 0), SMBUtil.readInt2(buffer2, 10));
    }

    @Test

internal fun idnToAscii(host: String): String? {
  val bufferA = Buffer().writeUtf8(host)
  val bufferB = Buffer()

  // 1. Map, from bufferA to bufferB.
  while (!bufferA.exhausted()) {
    val codePoint = bufferA.readUtf8CodePoint()
    if (!IDNA_MAPPING_TABLE.map(codePoint, bufferB)) return null
  }

  // 2. Normalize, from bufferB to bufferA.
  val normalized = normalizeNfc(bufferB.readUtf8())
  bufferA.writeUtf8(normalized)