@Override
    protected void processRemaining(ByteBuffer bb) {
      long k1 = 0;
      long k2 = 0;
      length += bb.remaining();
      switch (bb.remaining()) {
        case 15:
          k2 ^= (long) toInt(bb.get(14)) << 48; // fall through
        case 14:
          k2 ^= (long) toInt(bb.get(13)) << 40; // fall through
        case 13:
          k2 ^= (long) toInt(bb.get(12)) << 32; // fall through
        case 12:

    }

    @Override
    protected void process(ByteBuffer bb) {
      processCalled++;
      assertEquals(ByteOrder.LITTLE_ENDIAN, bb.order());
      assertTrue(bb.remaining() >= chunkSize);
      for (int i = 0; i < chunkSize; i++) {
        out.write(bb.get());
      }
    }

    @Override
    protected void processRemaining(ByteBuffer bb) {
      assertFalse(remainingCalled);
      remainingCalled = true;

    assertTrue(Arrays.equals(expectedHashCode.bytes, hash.asBytes()));
    byte[] bb = new byte[hash.bits() / 8];
    hash.writeBytesTo(bb, 0, bb.length);
    assertTrue(Arrays.equals(expectedHashCode.bytes, bb));
    assertEquals(expectedHashCode.asInt, hash.asInt());
    if (expectedHashCode.asLong == null) {
      try {
        hash.asLong();
        fail();

    Java8Compatibility.limit(bb, chunkSize + 7); // get ready to pad with longs
    while (bb.position() < chunkSize) {
      bb.putLong(0);
    }
    Java8Compatibility.limit(bb, chunkSize);
    Java8Compatibility.flip(bb);
    process(bb);
  }

  @Override
  @CanIgnoreReturnValue
  public final Hasher putBytes(byte[] bytes, int off, int len) {

          protected HashCode makeHash() {
            throw new UnsupportedOperationException();
          }

          @Override
          protected void process(ByteBuffer bb) {
            while (bb.hasRemaining()) {
              bb.get();
            }
          }
        };
    try {
      funnel.funnel(null, primitiveSink);
      fail();
    } catch (NullPointerException ok) {
    }
  }

    }

    @Override
    protected void process(ByteBuffer bb) {
      processCalled++;
      assertEquals(ByteOrder.LITTLE_ENDIAN, bb.order());
      assertTrue(bb.remaining() >= chunkSize);
      for (int i = 0; i < chunkSize; i++) {
        out.write(bb.get());
      }
    }

    @Override
    protected void processRemaining(ByteBuffer bb) {
      assertFalse(remainingCalled);
      remainingCalled = true;

  }

  @Test fun headersToString() {
    val headers =
      Headers.Builder()
        .add("A", "a")
        .add("B", "bb")
        .build()
    assertThat(headers.toString()).isEqualTo("A: a\nB: bb\n")
  }

  @Test fun headersToStringRedactsSensitiveHeaders() {
    val headers =
      Headers.Builder()
        .add("content-length", "99")

    assertTrue(Arrays.equals(expectedHashCode.bytes, hash.asBytes()));
    byte[] bb = new byte[hash.bits() / 8];
    hash.writeBytesTo(bb, 0, bb.length);
    assertTrue(Arrays.equals(expectedHashCode.bytes, bb));
    assertEquals(expectedHashCode.asInt, hash.asInt());
    if (expectedHashCode.asLong == null) {
      try {
        hash.asLong();
        fail();

			b.ReportAllocs()
			for i := 0; i < b.N; i++ {
				var bb Buffer
				for bb.Len() < n {
					bb.Write(block)
				}
			}
		})
	}
}

func BenchmarkBufferAppendNoCopy(b *testing.B) {
	var bb Buffer
	bb.Grow(16 << 20)
	b.SetBytes(int64(bb.Available()))
	b.ReportAllocs()
	for i := 0; i < b.N; i++ {
		bb.Reset()
		b := bb.AvailableBuffer()

        }

        @Override
        protected void process(ByteBuffer bb) {
          while (bb.hasRemaining()) {
            out.write(bb.get());
          }
        }

        @Override
        protected void processRemaining(ByteBuffer bb) {
          while (bb.hasRemaining()) {
            out.write(bb.get());
          }
        }
      };
    }
  }