}
    }

    // --- Server-side copy path (SMB2 + same tree) for zero-length files ---

    @Test
    @DisplayName("copyFile uses server-side copy for zero-length and returns")
    void copyFile_serverSide_zeroLength_happyPath() throws Exception {
        // Arrange
        SmbFile src = mock(SmbFile.class);

   * happens when an {@link AtomicInteger#compareAndSet} fails, but we can simulate the case where
   * the putIfAbsent returns a non-null value, and the case where the replace() of an observed zero
   * fails.
   */
  public void testAdd_withFailures() {
    AtomicInteger existing = new AtomicInteger(12);
    AtomicInteger existingZero = new AtomicInteger(0);

    // initial map.get()

        assertNotNull(configWithDefaults.getNativeOs());
        assertTrue(configWithDefaults.getFlags2() != 0, "Flags2 should be non-zero");
        assertTrue(configWithDefaults.getCapabilities() != 0, "Capabilities should be non-zero");
        assertNotNull(configWithDefaults.getBroadcastAddress());
        assertNotNull(configWithDefaults.getResolveOrder());

*   Fixes a division by zero in padding computation in TFLite
    ([CVE-2021-29585](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29585))
*   Fixes a division by zero in optimized pooling implementations in TFLite
    ([CVE-2021-29586](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29586))
*   Fixes a division by zero in TFLite's implementation of `SpaceToDepth`

		return
	}
}

// Parses x-amz-copy-source-range for CopyObjectPart API. Its behavior
// is different from regular HTTP range header. It only supports the
// form `bytes=first-last` where first and last are zero-based byte
// offsets. See
// http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadUploadPartCopy.html
// for full details. This function treats an empty rangeString as
// referring to the whole resource.

    public static final String CONTEXT_NAME = "DHnQ";

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();
    private static final int STRUCTURE_SIZE = 16;

    private long reserved; // Must be zero

    /**
     * Create a new durable handle request
     */
    public DurableHandleRequest() {
        this.reserved = 0;
    }

    @Override
    public byte[] getName() {

        bufferIndex += 4;
        this.setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if ((this.setupCount != 0) && log.isDebugEnabled()) {
            log.debug("setupCount is not zero: " + this.setupCount);
        }

        return bufferIndex - start;
    }

            out.close();
        }

        // Set maxSize smaller than file size (should throw exception)
        FileUtil.readBytes(file, 512);
    }

    /**
     * Test readBytes with custom maxSize of zero
     *
     * @throws Exception
     */
    @Test(expected = IORuntimeException.class)
    public void testReadBytes_CustomMaxSize_Zero() throws Exception {
        final File file = tempFolder.newFile("any.txt");

		w, err := strconv.Atoi(ws)
		if err != nil {
			return cfg, fmt.Errorf("'heal:drive_workers' value invalid: %w", err)
		}
		if w < 1 {
			return cfg, fmt.Errorf("'heal:drive_workers' value invalid: zero or negative integer unsupported")
		}
		cfg.DriveWorkers = w
	} else {
		cfg.DriveWorkers = -1
	}

	return cfg, nil

    }
  }

  /**
   * Returns whether the source has zero chars. The default implementation first checks {@link
   * #lengthIfKnown}, returning true if it's known to be zero and false if it's known to be
   * non-zero. If the length is not known, it falls back to opening a stream and checking for EOF.
   *
   * <p>Note that, in cases where {@code lengthIfKnown} returns zero, it is <i>possible</i> that