ByteArrayDataOutput out = ByteStreams.newDataOutput();
    assertEquals(0, out.toByteArray().length);
  }

  public void testNewDataOutput_writeInt() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    out.writeInt(0x12345678);
    out.writeInt(0x76543210);
    assertThat(out.toByteArray()).isEqualTo(bytes);
  }

  public void testNewDataOutput_sized() {

    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    assertEquals(0, out.toByteArray().length);
  }

  public void testNewDataOutput_writeInt() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    out.writeInt(0x12345678);
    out.writeInt(0x76543210);
    assertThat(out.toByteArray()).isEqualTo(bytes);
  }

  public void testNewDataOutput_sized() {

    File asciiFile = getTestFile("ascii.txt");
    File i18nFile = getTestFile("i18n.txt");
    assertTrue(Arrays.equals(ASCII.getBytes(Charsets.US_ASCII), Files.toByteArray(asciiFile)));
    assertTrue(Arrays.equals(I18N.getBytes(Charsets.UTF_8), Files.toByteArray(i18nFile)));
    assertTrue(Arrays.equals(I18N.getBytes(Charsets.UTF_8), Files.asByteSource(i18nFile).read()));
  }

    File asciiFile = getTestFile("ascii.txt");
    File i18nFile = getTestFile("i18n.txt");
    assertTrue(Arrays.equals(ASCII.getBytes(Charsets.US_ASCII), Files.toByteArray(asciiFile)));
    assertTrue(Arrays.equals(I18N.getBytes(Charsets.UTF_8), Files.toByteArray(i18nFile)));
    assertTrue(Arrays.equals(I18N.getBytes(Charsets.UTF_8), Files.asByteSource(i18nFile).read()));
  }

        .isEqualTo(new short[] {(short) 1, (short) 2, (short) 3, (short) 4});
  }

  @GwtIncompatible // Shorts.toByteArray
  public void testToByteArray() {
    assertThat(Shorts.toByteArray((short) 0x2345)).isEqualTo(new byte[] {0x23, 0x45});
    assertThat(Shorts.toByteArray((short) 0xFEDC)).isEqualTo(new byte[] {(byte) 0xFE, (byte) 0xDC});
  }

  @GwtIncompatible // Shorts.fromByteArray

        .isEqualTo(new short[] {(short) 1, (short) 2, (short) 3, (short) 4});
  }

  @GwtIncompatible // Shorts.toByteArray
  public void testToByteArray() {
    assertThat(Shorts.toByteArray((short) 0x2345)).isEqualTo(new byte[] {0x23, 0x45});
    assertThat(Shorts.toByteArray((short) 0xFEDC)).isEqualTo(new byte[] {(byte) 0xFE, (byte) 0xDC});
  }

  @GwtIncompatible // Shorts.fromByteArray

      try {
        output.writeUTF(s);
      } catch (IOException impossible) {
        throw new AssertionError(impossible);
      }
    }

    @Override
    public byte[] toByteArray() {
      return byteArrayOutputStream.toByteArray();
    }
  }

  private static final OutputStream NULL_OUTPUT_STREAM =
      new OutputStream() {
        /** Discards the specified byte. */
        @Override

    BloomFilter<byte[]> bf = BloomFilter.create(Funnels.byteArrayFunnel(), 100);
    for (int i = 0; i < 10; i++) {
      bf.put(Ints.toByteArray(i));
    }

    BloomFilter<byte[]> copy = SerializableTester.reserialize(bf);
    for (int i = 0; i < 10; i++) {
      assertTrue(copy.mightContain(Ints.toByteArray(i)));
    }
    assertEquals(bf.expectedFpp(), copy.expectedFpp());

    SerializableTester.reserializeAndAssert(bf);
  }

        .isEqualTo(new int[] {(int) 1, (int) 2, (int) 3, (int) 4});
  }

  public void testToByteArray() {
    assertThat(Ints.toByteArray(0x12131415)).isEqualTo(new byte[] {0x12, 0x13, 0x14, 0x15});
    assertThat(Ints.toByteArray(0xFFEEDDCC))
        .isEqualTo(new byte[] {(byte) 0xFF, (byte) 0xEE, (byte) 0xDD, (byte) 0xCC});
  }

  public void testFromByteArray() {

    BloomFilter<byte[]> bf = BloomFilter.create(Funnels.byteArrayFunnel(), 100);
    for (int i = 0; i < 10; i++) {
      bf.put(Ints.toByteArray(i));
    }

    BloomFilter<byte[]> copy = SerializableTester.reserialize(bf);
    for (int i = 0; i < 10; i++) {
      assertTrue(copy.mightContain(Ints.toByteArray(i)));
    }
    assertEquals(bf.expectedFpp(), copy.expectedFpp());

    SerializableTester.reserializeAndAssert(bf);
  }