private final ImmutableSet<TestOption> options;
  private boolean closed;

  public TestOutputStream(OutputStream out, TestOption... options) throws IOException {
    this(out, Arrays.asList(options));
  }

  public TestOutputStream(OutputStream out, Iterable<TestOption> options) throws IOException {
    super(checkNotNull(out));
    this.options = ImmutableSet.copyOf(options);
    throwIf(OPEN_THROWS);
  }

  public boolean closed() {

        Objects.requireNonNull(output, "output cannot be null");
        Objects.requireNonNull(model, "model cannot be null");

        try (Writer out = output) {
            new MavenXpp3Writer().write(out, model);
        }
    }

    @Override
    public void write(OutputStream output, Map<String, Object> options, Model model) throws IOException {

        // Arrange - generic return type respected
        when(tree.send(request)).thenReturn(response);

        // Act
        CommonServerMessageBlockResponse out = tree.send(request);

        // Assert
        assertSame(response, out);
        verify(tree).send(request);
    }

    @Test
    @DisplayName("send with multiple params returns the stubbed response")

        double avgReleaseTimeNs = totalReleaseTime.get() / (double) releases.get();

        System.out.printf("Buffer Cache Performance: %d allocs, %d releases in %.2f ms%n", allocations.get(), releases.get(),
                overallTimeMs);
        System.out.printf("  Avg allocation time: %.2f ns%n", avgAllocTimeNs);
        System.out.printf("  Avg release time: %.2f ns%n", avgReleaseTimeNs);

fun ExecOperations.execAndGetStdout(workingDir: File, ignoreExitValue: Boolean, vararg args: String): String {
    val out = ByteArrayOutputStream()
    exec {
        isIgnoreExitValue = ignoreExitValue
        commandLine(*args)
        standardOutput = out
        this.workingDir = workingDir
    }
    return out.toString().trim()
}

            // Act: submit a write
            w.write(payload, 3, out);
        }

        // Assert: verify the underlying stream was called
        verify(out, timeout(1000)).write(payload, 0, 3);

        // Stop the thread by sending n = -1
        synchronized (w) {
            w.write(new byte[0], -1, out);
        }

        w.join(2000);

                            PrintStream out = System.out;
                            for (String message = reader.readLine(); message != null; message = reader.readLine()) {
                                if (message.startsWith("  1> ")) {
                                    out = System.out;
                                } else if (message.startsWith("  2> ")) {
                                    out = System.err;
                                }

    @Override
    public ByteSource createSource(byte[] bytes) throws IOException {
      checkNotNull(bytes);
      File file = createFile();
      OutputStream out = new FileOutputStream(file);
      try {
        out.write(bytes);
      } finally {
        out.close();
      }
      return Files.asByteSource(file);
    }

    @Override
    public byte[] getExpected(byte[] bytes) {

        // Prepare 3 ints: chunksWritten=1, chunkBytesWritten=2, totalBytesWritten=3
        byte[] out = new byte[12];
        SMBUtil.writeInt4(1, out, 0);
        SMBUtil.writeInt4(2, out, 4);
        SMBUtil.writeInt4(3, out, 8);

        byte[] body = buildIoctlResponseBody(Smb2IoctlRequest.FSCTL_SRV_COPYCHUNK, new byte[16], 0, null, out.length, out, 0x1234);
        byte[] packet = new byte[header.length + body.length];

 *     System.out.println(indexed.getIndex());
 *     System.out.println(indexed.getElement());
 * }
 * </pre>
 *
 * <pre>
 * import static org.codelibs.core.collection.IndexedIterator.*;
 * import static org.codelibs.core.io.LineIterator.*;
 *
 * BufferedReader reader = ...;
 * for (Indexed&lt;String&gt; indexed : indexed(iterable(reader))) {
 *     System.out.println(indexed.getIndex());