// as their length. These files are very small, so it's wasteful to allocate an 8KB buffer.
    int initialBufferSize = min(BUFFER_SIZE, max(128, Integer.highestOneBit(totalLen) * 2));
    // Starting with an 8k buffer, double the size of each successive buffer. Smaller buffers
    // quadruple in size until they reach 8k, to minimize the number of small reads for longer

  /**
   * Read 100 MiB of 'a' chars. This was really slow due to a performance bug in [MultipartReader],
   * and will be really slow if we regress the fix for that.
   */
  @Test
  fun `reading a large part with small byteCount`() {
    val multipartBody =
      MultipartBody
        .Builder("foo")
        .addPart(
          headersOf("header-name", "header-value"),
          object : RequestBody() {

func (s *SkipReader) Read(p []byte) (int, error) {
	l := int64(len(p))
	if l == 0 {
		return 0, nil
	}
	if s.skipCount > 0 {
		tmp := p
		if s.skipCount > l && l < SmallBlock {
			// We may get a very small buffer, so we grab a temporary buffer.
			bufp := ODirectPoolSmall.Get()
			tmp = *bufp
			defer ODirectPoolSmall.Put(bufp)
			l = int64(len(tmp))
		}
		for s.skipCount > 0 {
			if l > s.skipCount {

            return entity;
        });
    }

    // ===================================================================================
    //                                                                        Small Helper
    //                                                                        ============
    /**
     * Verify the CRUD mode.
     * @param crudMode The CRUD mode.
     * @param expectedMode The expected mode.

        // Due to synchronized method, only one thread should reload
        // The count might be 2 (one initial + one reload) or slightly higher due to timing
        assertTrue(loadCount[0] <= 3, "Load count should be small due to synchronization");
    }

            return entity;
        });
    }

    // ===================================================================================
    //                                                                        Small Helper
    //                                                                        ============
    /**
     * Verify the CRUD mode.
     * @param crudMode The CRUD mode.
     * @param expectedMode The expected mode.

    }

    // ===================================================================================
    //                                                                        Small Helper
    //                                                                        ============
    private String getCsvEncoding() {
        return fessConfig.getCsvFileEncoding();
    }

                if (buffer == null || buffer.length < bufferIndex + 4) {
                    throw new SMBProtocolDecodingException("Buffer too small");
                }
                return 4;
            }

            @Override
            public int encode(byte[] dst, int dstIndex) {
                return 4;
            }

        }

        @Test
        @DisplayName("Should reject when signature field exceeds buffer size in sign method")
        void testSignSignatureExceedsBuffer() {
            byte[] data = new byte[50]; // Too small for signature field
            assertThrows(IllegalArgumentException.class, () -> digest.sign(data, 0, 50, request, response),
                    "Should throw IllegalArgumentException when signature field exceeds buffer");

        // Will fail when executed due to null user, but scheduling should succeed
        try {
            method.invoke(authenticator, null, initialGroups, initialRoles, groupIds);
            // Small wait to allow scheduled task to start
            Thread.sleep(100);
        } catch (Exception e) {
            // May throw due to null user when task executes, which is expected
        }