private final Map<ProjectSegment, ByteArrayOutputStream> streams = new HashMap<>();

    private final Map<ProjectSegment, PrintStream> printStreams = new HashMap<>();

    private final ByteArrayOutputStream defaultOutputStreamForUnknownData = new ByteArrayOutputStream();

    private final PrintStream defaultPrintStream = new PrintStream(defaultOutputStreamForUnknownData);

        } catch (NoClassDefFoundError e) {
            mojoExecutionListener.afterExecutionFailure(
                    new MojoExecutionEvent(session, project, mojoExecution, mojo, e));
            ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
            PrintStream ps = new PrintStream(os);
            ps.println(
                    "A required class was missing while executing " + mojoDescriptor.getId() + ": " + e.getMessage());

 *
 * @author Chris Nokleberg
 */
public class ByteStreamsTest extends IoTestCase {

  public void testCopyChannel() throws IOException {
    byte[] expected = newPreFilledByteArray(100);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    WritableByteChannel outChannel = Channels.newChannel(out);

    ReadableByteChannel inChannel = Channels.newChannel(new ByteArrayInputStream(expected));
    ByteStreams.copy(inChannel, outChannel);

  public static ByteArrayDataOutput newDataOutput(ByteArrayOutputStream byteArrayOutputStream) {
    return new ByteArrayDataOutputStream(checkNotNull(byteArrayOutputStream));
  }

  private static class ByteArrayDataOutputStream implements ByteArrayDataOutput {

    final DataOutput output;
    final ByteArrayOutputStream byteArrayOutputStream;

    ByteArrayDataOutputStream(ByteArrayOutputStream byteArrayOutputStream) {

 *
 * @author Chris Nokleberg
 */
public class ByteStreamsTest extends IoTestCase {

  public void testCopyChannel() throws IOException {
    byte[] expected = newPreFilledByteArray(100);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    WritableByteChannel outChannel = Channels.newChannel(out);

    ReadableByteChannel inChannel = Channels.newChannel(new ByteArrayInputStream(expected));
    ByteStreams.copy(inChannel, outChannel);

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    private static ByteArrayOutputStream connectStream(InputStream forkedProcessOutput, CountDownLatch latch) {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        PrintStream ps = new PrintStream(os, true);
        new Thread(() -> {
            try {

  public void testOpenBufferedStream() throws IOException {
    InputStream in = source.openBufferedStream();
    assertTrue(source.wasStreamOpened());
    assertFalse(source.wasStreamClosed());

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ByteStreams.copy(in, out);
    in.close();
    out.close();

    assertTrue(source.wasStreamClosed());
    assertArrayEquals(bytes, out.toByteArray());
  }

  public void testOpenBufferedStream() throws IOException {
    InputStream in = source.openBufferedStream();
    assertTrue(source.wasStreamOpened());
    assertFalse(source.wasStreamClosed());

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ByteStreams.copy(in, out);
    in.close();
    out.close();

    assertTrue(source.wasStreamClosed());
    assertArrayEquals(bytes, out.toByteArray());
  }

    assertEquals(I18N + I18N + I18N, Files.toString(temp, Charsets.UTF_16LE));
  }

  public void testCopyToOutputStream() throws IOException {
    File i18nFile = getTestFile("i18n.txt");
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    Files.copy(i18nFile, out);
    assertEquals(I18N, out.toString("UTF-8"));
  }

  public void testCopyToAppendable() throws IOException {
    File i18nFile = getTestFile("i18n.txt");

                cause = cause.getCause();
            }

            if ((cause instanceof NoClassDefFoundError) || (cause instanceof ClassNotFoundException)) {
                ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
                PrintStream ps = new PrintStream(os);
                ps.println("Unable to load the mojo '" + mojoDescriptor.getGoal() + "' in the plugin '"