PrimitiveSink sink = mock(PrimitiveSink.class);
    OutputStream out = Funnels.asOutputStream(sink);
    byte[] bytes = {1, 2, 3, 4};
    out.write(255);
    out.write(bytes);
    out.write(bytes, 1, 2);
    verify(sink).putByte((byte) 255);
    verify(sink).putBytes(bytes);
    verify(sink).putBytes(bytes, 1, 2);
  }

  public void testSerialization() {

}

// fitsInBase256 reports whether x can be encoded into n bytes using base-256
// encoding. Unlike octal encoding, base-256 encoding does not require that the
// string ends with a NUL character. Thus, all n bytes are available for output.
//
// If operating in binary mode, this assumes strict GNU binary mode; which means
// that the first byte can only be either 0x80 or 0xff. Thus, the first byte is
// equivalent to the sign bit in two's complement form.

    public void initResults() throws IOException {
        final BytesStreamOutput tmp = new BytesStreamOutput();
        final long bytes = new ByteSizeValue(dataMb, ByteSizeUnit.MB).getBytes();
        for (int i = 0; i < bytes / 8; i++) {
            tmp.writeLong(i);
        }
        pagedBytes = tmp.bytes();
        if (pagedBytes instanceof PagedBytesReference == false) {

    }

    @Override
    public void write(int b) {
      sink.putByte((byte) b);
    }

    @Override
    public void write(byte[] bytes) {
      sink.putBytes(bytes);
    }

    @Override
    public void write(byte[] bytes, int off, int len) {
      sink.putBytes(bytes, off, len);
    }

    @Override
    public String toString() {

      Byte[] suffix = {(byte) 86, (byte) 99};
      Byte[] all = concat(concat(prefix, elements), suffix);
      return asList(all).subList(2, elements.length + 2);
    }
  }

  private static Byte[] concat(Byte[] left, Byte[] right) {
    Byte[] result = new Byte[left.length + right.length];
    System.arraycopy(left, 0, result, 0, left.length);
    System.arraycopy(right, 0, result, left.length, right.length);

	processIOReadBytesMD              = NewCounterMD(processIOReadBytes, "Total bytes read by the process from the underlying storage system, /proc/[pid]/io read_bytes")

):
    return {"file_contents": files, "city": city}


client = TestClient(app)


@pytest.fixture
def tmp_file_1(tmp_path: Path) -> Path:
    f = tmp_path / "example1.txt"
    f.write_text("foo")
    return f


@pytest.fixture
def tmp_file_2(tmp_path: Path) -> Path:
    f = tmp_path / "example2.txt"
    f.write_text("bar")
    return f

	b.lastRead = opInvalid
	if nBytes := b.Len(); nBytes > 0 {
		m, e := w.Write(b.buf[b.off:])
		if m > nBytes {
			panic("bytes.Buffer.WriteTo: invalid Write count")
		}
		b.off += m
		n = int64(m)
		if e != nil {
			return n, e
		}
		// all bytes should have been written, by definition of
		// Write method in io.Writer
		if m != nBytes {
			return n, io.ErrShortWrite
		}
	}

		}
	}
	return true, ""
}

func TestCmpReaders(t *testing.T) {
	{
		r1 := bytes.NewReader([]byte("abc"))
		r2 := bytes.NewReader([]byte("abc"))
		ok, msg := cmpReaders(r1, r2)
		if !ok || msg != "" {
			t.Fatalf("unexpected")
		}
	}

	{
		r1 := bytes.NewReader([]byte("abc"))
		r2 := bytes.NewReader([]byte("abcd"))
		ok, _ := cmpReaders(r1, r2)
		if ok {
			t.Fatalf("unexpected")
		}
	}

	tests := []testCase{
		// Test - 1 valid buffer with CRLF.
		{bytes.NewReader([]byte("\r\n")), nil},
		// Test - 2 invalid buffer with no CRLF.
		{bytes.NewReader([]byte("he")), errMalformedEncoding},
		// Test - 3 invalid buffer with more characters.
		{bytes.NewReader([]byte("he\r\n")), errMalformedEncoding},
		// Test - 4 smaller buffer than expected.
		{bytes.NewReader([]byte("h")), io.ErrUnexpectedEOF},
	}
	for i, tt := range tests {