// See the License for the specific language governing permissions and
// limitations under the License.

package mesh

import (
	"os"
	"path/filepath"
	"regexp"
	"testing"

	"github.com/kylelemons/godebug/diff"

	"istio.io/istio/operator/pkg/util"
)

func TestProfileDump(t *testing.T) {
	testDataDir := filepath.Join(operatorRootDir, "cmd/mesh/testdata/profile-dump")
	tests := []struct {
		desc       string

GODEBUG environment variable (see package runtime) to go or cgo, as in:

	export GODEBUG=netdns=go    # force pure Go resolver
	export GODEBUG=netdns=cgo   # force native resolver (cgo, win32)

The decision can also be forced while building the Go source tree
by setting the netgo or netcgo build tag.

A numeric netdns setting, as in GODEBUG=netdns=1, causes the resolver

		{Name: "GOTOOLCHAIN"},
		{Name: "GOTOOLDIR", Value: build.ToolDir},
		{Name: "GOVCS", Value: cfg.GOVCS},
		{Name: "GOVERSION", Value: runtime.Version()},
		{Name: "GODEBUG", Value: os.Getenv("GODEBUG")},
		{Name: "GOTELEMETRY", Value: telemetry.Mode()},
		{Name: "GOTELEMETRYDIR", Value: telemetry.Dir()},
	}

	for i := range env {
		switch env[i].Name {
		case "GO111MODULE":

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package jwt

// This file is a re-implementation of the original code here with some
// additional allocation tweaks reproduced using GODEBUG=allocfreetrace=1
// original file https://github.com/golang-jwt/jwt/blob/main/parser.go
// borrowed under MIT License https://github.com/golang-jwt/jwt/blob/main/LICENSE

import (
	"fmt"
	"testing"
	"time"

// To disable their use, set GODEBUG to gotypesalias=0.
// This GODEBUG flag will be removed in the near future (tentatively Go 1.24).
var gotypesalias = godebug.New("gotypesalias")

// _aliasAny changes the behavior of [Scope.Lookup] for "any" in the
// [Universe] scope.
//
// This is necessary because while Alias creation is controlled by
// [Config._EnableAlias], based on the gotypealias variable, the representation

type pcgRand struct {
	noCopy noCopy // help avoid mistakes: ask vet to ensure that we don't make a copy
	state  uint64
	inc    uint64
}

func godebugSeed() *int {
	debug := strings.Split(os.Getenv("GODEBUG"), ",")
	for _, f := range debug {
		if strings.HasPrefix(f, "fuzzseed=") {
			seed, err := strconv.Atoi(strings.TrimPrefix(f, "fuzzseed="))
			if err != nil {
				panic("malformed fuzzseed")
			}
			return &seed

	"path/filepath"
	"runtime"
	"runtime/debug"
	"strconv"
	"strings"
	"sync"
	"sync/atomic"
	"testing"
	"time"
)

// haveUnexpectedFDs is set at init time to report whether any file descriptors
// were open at program start.
var haveUnexpectedFDs bool

func init() {
	godebug := os.Getenv("GODEBUG")
	if godebug != "" {
		godebug += ","
	}
	godebug += "execwait=2"
	os.Setenv("GODEBUG", godebug)

func newAliasTypeName(pos token.Pos, pkg *types.Package, name string, rhs types.Type) *types.TypeName {
	// When GODEBUG=gotypesalias=1 or unset, the Type() of the return value is a
	// *types.Alias. Copied from x/tools/internal/aliases.NewAlias.
	switch godebug.New("gotypesalias").Value() {
	case "", "1":
		tname := types.NewTypeName(pos, pkg, name, nil)

			t.Fatalf("failed to close file: %v", err)
		}

		cmd := exec.Command(testenv.GoToolPath(t), test.run, "-race", "-pkgdir="+pkgdir, src)
		// GODEBUG spoils program output, GOMAXPROCS makes it flaky.
		for _, env := range os.Environ() {
			if strings.HasPrefix(env, "GODEBUG=") ||
				strings.HasPrefix(env, "GOMAXPROCS=") ||
				strings.HasPrefix(env, "GORACE=") {
				continue
			}
			cmd.Env = append(cmd.Env, env)
		}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package net

import (
	"context"
	"internal/bytealg"
	"internal/godebug"
	"internal/nettrace"
	"syscall"
	"time"
)

const (
	// defaultTCPKeepAliveIdle is a default constant value for TCP_KEEPIDLE.
	// See go.dev/issue/31510 for details.
	defaultTCPKeepAliveIdle = 15 * time.Second