})

			// check we can patch items
			var patchedCfg config.Config
			if _, err := store.(*Client).Patch(*cfg, func(cfg config.Config) (config.Config, types.PatchType) {
				cfg.Annotations["fizz"] = "buzz"
				patchedCfg = cfg
				return cfg, types.JSONPatchType
			}); err != nil {
				t.Errorf("unexpected err in Patch: %v", err)
			}
			// validate it is updated
			retry.UntilSuccessOrFail(t, func() error {

	m1.Add("z", 2)
	m.Set("map2", &m2)
	for i := 0; i < 9; i++ {
		m2.Add(strconv.Itoa(i), int64(i))
	}
	var s1, s2 String
	m.Set("str1", &s1)
	s1.Set("hello, world!")
	m.Set("str2", &s2)
	s2.Set("fizz buzz")
	b.ResetTimer()

	b.ReportAllocs()
	for i := 0; i < b.N; i++ {
		_ = m.String()
	}
}

func BenchmarkRealworldExpvarUsage(b *testing.B) {
	var (
		bytesSent Int
		bytesRead Int
	)

// F is a type passed to fuzz tests.
//
// Fuzz tests run generated inputs against a provided fuzz target, which can
// find and report potential bugs in the code being tested.
//
// A fuzz test runs the seed corpus by default, which includes entries provided
// by (*F).Add and entries in the testdata/fuzz/<FuzzTestName> directory. After
// any necessary setup and calls to (*F).Add, the fuzz test must then call

compile_go_fuzzer istio.io/istio/tests/fuzz FuzzInitContext fuzz_init_context
compile_go_fuzzer istio.io/istio/tests/fuzz FuzzAnalyzer fuzz_analyzer
compile_go_fuzzer istio.io/istio/tests/fuzz FuzzXds fuzz_xds
compile_go_fuzzer istio.io/istio/tests/fuzz FuzzCompareDiff fuzz_compare_diff
compile_go_fuzzer istio.io/istio/tests/fuzz FuzzHelmReconciler fuzz_helm_reconciler

	"testing"

	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/pkg/security/trustdomain"
	"istio.io/istio/pkg/fuzz"
)

func FuzzBuildHTTP(f *testing.F) {
	fuzz.Fuzz(f, func(fg fuzz.Helper) {
		bundle := fuzz.Struct[trustdomain.Bundle](fg)
		push := fuzz.Struct[*model.PushContext](fg, validatePush)
		node := fuzz.Struct[*model.Proxy](fg)
		selectionOpts := model.PolicyMatcherForProxy(node)

	return []interface{}{
		func(q *resource.Quantity, c fuzz.Continue) {
			*q = *resource.NewQuantity(c.Int63n(1000), resource.DecimalExponent)
		},
		func(j *int, c fuzz.Continue) {
			*j = int(c.Int31())
		},
		func(j **int, c fuzz.Continue) {
			if c.RandBool() {
				i := int(c.Int31())
				*j = &i
			} else {
				*j = nil
			}
		},
		func(j *runtime.TypeMeta, c fuzz.Continue) {

}

func fuzzLocalEtcd(obj *kubeadm.LocalEtcd, c fuzz.Continue) {
	c.FuzzNoCustom(obj)

	// Pinning values for fields that get defaults if fuzz value is empty string or nil (thus making the round trip test fail)
	obj.DataDir = "foo"
}

func fuzzNetworking(obj *kubeadm.Networking, c fuzz.Continue) {
	c.FuzzNoCustom(obj)

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/utils/ptr"

	fuzz "github.com/google/gofuzz"
)

func TestValidateStructuralMetadataInvariants(t *testing.T) {
	fuzzer := fuzz.New()
	fuzzer.Funcs(
		func(s *JSON, c fuzz.Continue) {
			if c.RandBool() {
				s.Object = float64(42.0)
			}
		},
		func(s **StructuralOrBool, c fuzz.Continue) {
			if c.RandBool() {
				*s = &StructuralOrBool{}
			}
		},

[!fuzz] skip
[!cgo] skip
[short] skip
env GOCACHE=$WORK/cache

# Test that fuzzing works with cgo (issue 65169)

go test -fuzz=. -fuzztime=1x
stdout ok
! stdout FAIL

-- go.mod --
module example.com/p

go 1.20
-- c.go --
package p

import "C"
-- c_test.go --
package p

import "testing"

func Fuzz(f *testing.F) {
	f.Add(0)
	f.Fuzz(func(t *testing.T, x int) {})

package loadbalancer

import (
	"testing"

	fuzz "github.com/AdaLogics/go-fuzz-headers"
	core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
	endpoint "github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3"

	"istio.io/api/networking/v1alpha3"
)

func FuzzApplyLocalityLBSetting(f *testing.F) {
	f.Fuzz(func(t *testing.T, data []byte) {
		ff := fuzz.NewConsumer(data)
		proxyLabels := make(map[string]string)