return null;
            }

            @Override
            public InputStream openStream() throws IOException {
                return new ByteArrayInputStream(buffer.toString().getBytes(StandardCharsets.UTF_8));
            }

            @Override
            public String getLocation() {
                return artifact.getId();
            }

            @Override

	}

	// Load list of referenced environment variables and files
	// from last run of testID, and compute hash of that content.
	data, entry, err := cache.GetBytes(cache.Default(), testID)
	if !bytes.HasPrefix(data, testlogMagic) || data[len(data)-1] != '\n' {
		if cache.DebugTest {
			if err != nil {

	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		bts, _ = v.MarshalMsg(bts[0:0])
	}
}

func BenchmarkUnmarshalBaseOptions(b *testing.B) {
	v := BaseOptions{}
	bts, _ := v.MarshalMsg(nil)
	b.ReportAllocs()
	b.SetBytes(int64(len(bts)))
	b.ResetTimer()
	for i := 0; i < b.N; i++ {

	i := 0
	for i < len(z) && z[i] == 0 {
		i++
	}

	return z[i:]
}

func checkMul(a, b []byte) bool {
	var x, y, z1 Int
	x.SetBytes(a)
	y.SetBytes(b)
	z1.Mul(&x, &y)

	var z2 Int
	z2.SetBytes(mulBytes(a, b))

	return z1.Cmp(&z2) == 0
}

func TestMul(t *testing.T) {
	if err := quick.Check(checkMul, nil); err != nil {
		t.Error(err)
	}
}

	for _, n := range sizes {
		if isRaceBuilder && n > 4<<10 {
			continue
		}
		b.Run(valName(n), func(b *testing.B) {
			if len(bmbuf) < n {
				bmbuf = make([]byte, n)
			}
			b.SetBytes(int64(n))
			f(b, n)
		})
	}
}

var indexSizes = []int{10, 32, 4 << 10, 4 << 20, 64 << 20}

var isRaceBuilder = strings.HasSuffix(testenv.Builder(), "-race")

	benchStr := Repeat(benchmarkString,
		(indexSizes[len(indexSizes)-1]+len(benchmarkString)-1)/len(benchmarkString))
	benchFunc := func(b *testing.B, benchStr string) {
		b.SetBytes(int64(len(benchStr)))
		for i := 0; i < b.N; i++ {
			Count(benchStr, "=")
		}
	}
	for _, size := range indexSizes {
		b.Run(fmt.Sprintf("%d", size), func(b *testing.B) {

				panic(fmt.Errorf("handshake: %v", err))
			}
			if _, err := io.CopyBuffer(srv, srv, buf); err != nil {
				panic(fmt.Errorf("copy buffer: %v", err))
			}
		}
	}()

	b.SetBytes(totalBytes)
	clientConfig := testConfig.Clone()
	clientConfig.CipherSuites = nil // the defaults may prefer faster ciphers
	clientConfig.DynamicRecordSizingDisabled = dynamicRecordSizingDisabled

	var t uint64
	for n := b.N; n > 0; n-- {
		t += p.Uint64()
	}
	Sink = t
}

func BenchmarkChaCha8Read(b *testing.B) {
	p := NewChaCha8([32]byte{1, 2, 3, 4, 5})
	buf := make([]byte, 32)
	b.SetBytes(32)
	var t uint8
	for n := b.N; n > 0; n-- {
		p.Read(buf)
		t += buf[0]
	}
	Sink = uint64(t)
}

// Golden output test to make sure algorithm never changes,