private void createBuildFile(String content) throws IOException {
                    File buildFile = new File(testProjectDir, "build.gradle");
                    Files.write(buildFile.toPath(), content.getBytes());
                }

                @Test
                public void testCustomTask() throws IOException {
                    createBuildFile("plugins { id 'org.example.test' }");

    assertEquals(bytes.length, source.copyTo(sink));
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());
    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());

    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testRead_toArray() throws IOException {
    assertArrayEquals(bytes, source.read());
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());
  }

    // ResponseData responseData = future.get();
    // if (responseData != null) {
    // System.out.println("status: "
    // + responseData.getHttpStatusCode()
    // + " content: "
    // + new String(InputStreamUtil.getBytes(responseData
    // .getResponseBody()), "UTF-8"));
    // } else {
    // System.out.println("OK");
    // }
    // }
    // }

    /**
     * Delimiter for entries in {@link #FILTER_SYSPROP}.
     */
    public static final String FILTER_SEPARATOR = ";";

    private static final byte[] NEWLINE = "\n".getBytes();

    private final boolean outputTree;
    private final BuildOperationListener listener;
    private final String basePath;

    private final OutputStream logOutputStream;

        public void putBoolean(boolean value) {
            putByte((byte) (value ? 1 : 0));
        }

        @Override
        public void putString(CharSequence value) {
            putBytes(value.toString().getBytes(Charsets.UTF_8));
        }

        @Override
        public void putHash(HashCode hashCode) {
            hashCode.appendToHasher(this);
        }

        @Override

            writer.write(artifact.getId());
        }

        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(artifact.getId().getBytes());
        byte[] digest = md.digest();

        String md5path = repository.pathOf(artifact) + ".md5";
        File md5artifactFile = new File(repository.getBasedir(), md5path);
        try (Writer writer =

            output.writeSmallLong(classId);
            output.writeSmallLong(testId);

            byte[] bytes;
            try {
                bytes = outputEvent.getMessage().getBytes(messageStorageCharset.name());
            } catch (UnsupportedEncodingException e) {
                throw UncheckedException.throwAsUncheckedException(e);
            }
            output.writeSmallInt(bytes.length);

                            try (InputStream contentStream = new BufferedInputStream(new SmbFileInputStream(file))) {
                                responseData.setResponseBody(InputStreamUtil.getBytes(contentStream));
                            } catch (final Exception e) {
                                logger.warn("I/O Exception.", e);

                "<packaging>pom</packaging>",
                "<packaging>pom</packaging><properties><addedProperty>addedValue</addedProperty></properties>");
        Files.write(parent.toPath(), parentContent.getBytes(StandardCharsets.UTF_8));
        // re-build pom with modified parent
        ProjectBuildingResult result = projectBuilder.build(child, configuration);

    private static class ForwardInputSerializer implements Serializer<ForwardInput> {
        @Override
        public void write(Encoder encoder, ForwardInput message) throws Exception {
            encoder.writeBinary(message.getBytes());
        }

        @Override
        public ForwardInput read(Decoder decoder) throws Exception {
            return new ForwardInput(decoder.readBinary());
        }
    }