private String leave() {
    return "leave";
  }

  public final void testMutualExclusion() throws Exception {
    thread1.callAndAssertReturns(enter());
    thread2.callAndAssertBlocks(enter());
    thread1.callAndAssertReturns(leave());
    thread2.assertPriorCallReturns(enter());
  }

  public final void testTryEnter() throws Exception {
    thread1.callAndAssertReturns(true, tryEnter());

     * Handles document transformation, field addition, and batched indexing.
     *
     * @param paramMap the data store parameters
     * @param dataMap the document data to store
     * @throws DataStoreException if required fields are missing or other errors occur
     */
    @Override
    public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {

  /**
   * Reads all bytes from a URL into a byte array.
   *
   * @param url the URL to read from
   * @return a byte array containing all the bytes from the URL
   * @throws IOException if an I/O error occurs
   */
  public static byte[] toByteArray(URL url) throws IOException {
    return asByteSource(url).read();
  }

  /**
   * Reads all characters from a URL into a {@link String}, using the given character set.
   *

 *
 */
public class ByteConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToByte() throws Exception {
        assertEquals(Byte.valueOf("100"), ByteConversionUtil.toByte("100"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveByte() throws Exception {
        assertEquals(100, ByteConversionUtil.toPrimitiveByte("100"));
    }

 *
 */
public class DoubleConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToDouble() throws Exception {
        assertEquals(Double.valueOf("1000.5"), DoubleConversionUtil.toDouble("1,000.5"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveDouble() throws Exception {
        assertEquals(1000.5, DoubleConversionUtil.toPrimitiveDouble("1,000.5"), 0);

 *
 */
public class FloatConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToFloat() throws Exception {
        assertEquals(Float.valueOf("1000.5"), FloatConversionUtil.toFloat("1,000.5"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveFloat() throws Exception {
        assertEquals(1000.5, FloatConversionUtil.toPrimitiveFloat("1,000.5"), 0);

  }

  public void testGetCheckedUntimed_runtimeException() throws TwoArgConstructorException {
    RuntimeException expected =
        assertThrows(
            RuntimeException.class,
            () -> getChecked(RUNTIME_EXCEPTION_FUTURE, TwoArgConstructorException.class));
    assertEquals(RUNTIME_EXCEPTION, expected);
  }

  public void testGetCheckedUntimed_error() throws TwoArgConstructorException {
    try {

  }

  public void testOpenBufferedStream() throws IOException {
    Writer writer = sink.openBufferedStream();
    assertTrue(sink.wasStreamOpened());
    assertFalse(sink.wasStreamClosed());

    writer.write(STRING);
    writer.close();

    assertTrue(sink.wasStreamClosed());
    assertEquals(STRING, sink.getString());
  }

  public void testWrite_string() throws IOException {
    assertEquals("", sink.getString());

     * @throws PrompterException if an exception occurs
     */
    @Nonnull
    String promptForPassword(@Nullable String message) throws PrompterException;

    /**
     * Displays a message to the user.
     *
     * @param message the message to display
     * @throws PrompterException if an exception occurs
     */
    void showMessage(@Nullable String message) throws PrompterException;

     *
     * @param data the data to compress
     * @param algorithm the compression algorithm to use
     * @return the compressed data
     * @throws CIFSException if compression fails
     */
    byte[] compress(byte[] data, int algorithm) throws CIFSException;

    /**
     * Compresses data using the specified algorithm with offset and length.
     *
     * @param data the data buffer