hashSalt = nil
	defer func() {
		hashSalt = oldSalt
	}()

	h := NewHash("alice")
	h.Write([]byte("hello world"))
	sum := fmt.Sprintf("%x", h.Sum())
	want := "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
	if sum != want {
		t.Errorf("hash(hello world) = %v, want %v", sum, want)
	}
}

func TestHashFile(t *testing.T) {
	f, err := os.CreateTemp("", "cmd-go-test-")
	if err != nil {
		t.Fatal(err)

//
// It must not be called after the first call of Sum or Verify.
func (h *MAC) Write(p []byte) (n int, err error) {
	if h.finalized {
		panic("poly1305: write to MAC after Sum or Verify")
	}
	return h.mac.Write(p)
}

// Sum computes the authenticator of all data written to the
// message authentication code.
func (h *MAC) Sum(b []byte) []byte {
	var mac [TagSize]byte
	h.mac.Sum(&mac)
	h.finalized = true

  @Benchmark
  int hashMultiset(int reps) {
    int sum = 0;
    for (int i = 0; i < reps; i++) {
      for (Object value : hashMultiset) {
        sum += value.hashCode();
      }
    }
    return sum;
  }

  @Benchmark
  int linkedHashMultiset(int reps) {
    int sum = 0;
    for (int i = 0; i < reps; i++) {
      for (Object value : linkedHashMultiset) {
        sum += value.hashCode();
      }
    }

#include "gtest/gtest.h"
#include "hello.h"

using namespace testing;

TEST(HelloTest, test_sum) {
  ASSERT_TRUE(sum(0, 2) == 2);
#ifndef ONE_TEST
  ASSERT_TRUE(sum(0, -2) == -2);
  ASSERT_TRUE(sum(2, 2) == 4);
#endif
}

int main(int argc, char **argv) {
  testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}
                    """),

	return h.blockSize
}

func (h *boringHMAC) Sum(in []byte) []byte {
	if h.sum == nil {
		size := h.Size()
		h.sum = make([]byte, size)
	}
	// Make copy of context because Go hash.Hash mandates
	// that Sum has no effect on the underlying stream.
	// In particular it is OK to Sum, then Write more, then Sum again,
	// and the second Sum acts as if the first didn't happen.
	C._goboringcrypto_HMAC_CTX_init(&h.ctx2)

	cases := []*TestCase{
		{
			Name:     "HTTP Traffic",
			PortName: "http",
			Expected: Expected{
				Query: prometheus.Query{
					Metric:      "istio_requests_total",
					Aggregation: "sum",
					Labels: map[string]string{
						"reporter":                 "source",
						"destination_service_name": "PassthroughCluster",
						"response_code":            "200",
					},
				},

[exec:patch] mv go.mod go.mod.tidyResult
[exec:patch] mv go.sum go.sum.tidyResult
[exec:patch] cp go.mod.orig go.mod
[exec:patch] ! go mod tidy -diff
[exec:patch] cp stdout diff.patch
[exec:patch] exec patch -p1 -i diff.patch
[exec:patch] go mod tidy -diff
[exec:patch] cmp go.mod go.mod.tidyResult
[exec:patch] cmp go.sum go.sum.tidyResult

go list -m all
cmp stdout m_all.txt

go mod edit -go=1.16

      "version": "18eb4e529c60ec20ab243e2da3bcb52b2fd0d223",
      "sum": "eyuJ0jOXeA4MrobbNgU4/v5a7ASDHslHZ0eS6hDdWoI="
    },
    {
      "source": {
        "git": {
          "remote": "https://github.com/grafana/grafonnet.git",
          "subdir": "gen/grafonnet-v11.0.0"
        }
      },
      "version": "18eb4e529c60ec20ab243e2da3bcb52b2fd0d223",
      "sum": "6ycXhBvq/k7j01vaNiDSZcVsKikh01pfNH+2oauHgJg="
    },
    {

            Integer sm1 = SPECIAL_MEANINGS.get(part1.toLowerCase(Locale.US));
            Integer sm2 = SPECIAL_MEANINGS.get(part2.toLowerCase(Locale.US));
            if (sm1 != null) {
                sm2 = sm2 == null ? 0 : sm2;
                return sm1 - sm2;
            }
            if (sm2 != null) {
                return -sm2;
            }
            return part1.compareTo(part2);
        }
        if (i < parts1.length) {

func (i *instance) WriteString(s string) (n int) {
	n, _ = i.hash.WriteString(s)
	return
}

func (i *instance) Sum64() uint64 {
	return i.hash.Sum64()
}

func (i *instance) Sum() string {
	sum := i.hash.Sum(nil)
	return hex.EncodeToString(sum)