SMBUtil.writeInt4(432, buffer, bufferIndex + 4); // 512 - 80

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

        // Fill the entire data area with zero (no valid entries)
        for (int i = dataOffset; i < 512; i++) {
            buffer[i] = 0;
        }

        int result = response.readBytesWireFormat(buffer, bufferIndex);

        By asking questions in a structured way (following this) it will be much easier to help you.

        And there's a high chance that you will find the solution along the way and you won't even have to submit it and wait for an answer. 😎

    void testWithLargeBuffers() {
        // Test with large byte arrays
        byte[] largeRequestBuffer = new byte[1024];
        byte[] largeResponseBuffer = new byte[2048];

        // Fill with some test data
        for (int i = 0; i < largeRequestBuffer.length; i++) {
            largeRequestBuffer[i] = (byte) (i % 256);
        }
        for (int i = 0; i < largeResponseBuffer.length; i++) {

    @DisplayName("Release stores buffer for reuse and zeroes its contents")
    void releaseStoresAndZeroesBuffer() {
        BufferCacheImpl impl = new BufferCacheImpl(2, 10);

        byte[] b = new byte[10];
        // Fill with non-zero to verify zeroing on release
        for (int i = 0; i < b.length; i++) {
            b[i] = (byte) (i + 1);
        }

        // Act: release should zero immediately to avoid leaks

    void testReadBytesWireFormatPreservesBuffer() throws SMBProtocolDecodingException {
        byte[] buffer = new byte[1024];
        int bufferIndex = 0;

        // Fill buffer with test data
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) (i % 256);
        }

        // Set structure size to 2
        SMBUtil.writeInt2(2, buffer, bufferIndex);

        }

        @Test
        @DisplayName("Should not modify bytes outside written range")
        void testWriteBytesDoesNotOverflow() {
            byte[] buffer = new byte[100];
            // Fill buffer with known values
            for (int i = 0; i < buffer.length; i++) {
                buffer[i] = (byte) 0xFF;
            }

            int startIndex = 50;

   * Truncates the given character sequence to the given maximum length. If the length of the
   * sequence is greater than {@code maxLength}, the returned string will be exactly {@code
   * maxLength} chars in length and will end with the given {@code truncationIndicator}. Otherwise,
   * the sequence will be returned as a string with no changes to the content.
   *
   * <p>Examples:
   *
   * {@snippet :

      FakeTicker ticker,
      String keyPrefix,
      long ttl) {
    loader.setKeyPrefix(keyPrefix);

    int shift1 = 10 + VALUE_PREFIX;
    loader.setValuePrefix(shift1);
    // fill with initial data
    for (int i = 0; i < 10; i++) {
      assertThat(cache.getUnchecked(keyPrefix + i)).isEqualTo(i + shift1);
    }
    assertThat(CacheTesting.expirationQueueSize(cache)).isEqualTo(10);

        }

        @Test
        @DisplayName("Should skip reserved bytes without modification")
        void testEncodeReservedBytes() {
            // Given
            Arrays.fill(buffer, (byte) 0xFF); // Fill with non-zero
            SrvCopychunkCopy copy = new SrvCopychunkCopy(sourceKey);

            // When
            copy.encode(buffer, startIndex);

            // Then

		go func(inbound chan []byte) {
			wg.Wait()
			defer xioutil.SafeClose(handlerIn)
			m.handleInbound(c, inbound, handlerIn)
		}(m.inbound)
	}
	// Fill outbound block.
	// Each token represents a message that can be sent to the client without blocking.
	// The client will refill the tokens as they confirm delivery of the messages.
	for range outboundCap {
		m.outBlock <- struct{}{}
	}

	// Handler goroutine.