const ODirectPlatform = true

// OpenFileDirectIO - bypass kernel cache.
func OpenFileDirectIO(filePath string, flag int, perm os.FileMode) (*os.File, error) {
	return directio.OpenFile(filePath, flag, perm)
}

// DisableDirectIO - disables directio mode.
func DisableDirectIO(f *os.File) error {
	fd := f.Fd()
	flag, err := unix.FcntlInt(fd, unix.F_GETFL, 0)
	if err != nil {
		return err

import (
	"strings"
	"testing"

	. "github.com/onsi/gomega"

	"istio.io/istio/istioctl/pkg/cli"
	"istio.io/istio/istioctl/pkg/util/testutil"
	"istio.io/istio/pkg/config/analysis/diag"
)

func TestErrorOnIssuesFound(t *testing.T) {
	g := NewWithT(t)

	msgs := []diag.Message{
		diag.NewMessage(
			diag.NewMessageType(diag.Error, "B1", "Template: %q"),
			nil,
			"",
		),
		diag.NewMessage(

package clause_test

import (
	"fmt"
	"testing"

	"gorm.io/gorm/clause"
)

func TestUpdate(t *testing.T) {
	results := []struct {
		Clauses []clause.Interface
		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{clause.Update{}},
			"UPDATE `users`", nil,
		},
		{
			[]clause.Interface{clause.Update{Modifier: "LOW_PRIORITY"}},
			"UPDATE LOW_PRIORITY `users`", nil,
		},
		{

	addError    error
	delError    error
}

func (f *fakeZtunnel) Run(ctx context.Context) {
}

func (f *fakeZtunnel) PodDeleted(ctx context.Context, uid string) error {
	f.deletedPods.Add(1)
	return f.delError
}

func (f *fakeZtunnel) PodAdded(ctx context.Context, pod *corev1.Pod, netns Netns) error {
	f.addedPods.Add(1)
	return f.addError
}

func (f *fakeZtunnel) Close() error {
	return nil
}

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

package tar

import (
	"math"
	"strings"
	"testing"
	"time"
)

func TestFitsInBase256(t *testing.T) {
	vectors := []struct {
		in    int64
		width int
		ok    bool
	}{
		{+1, 8, true},
		{0, 8, true},
		{-1, 8, true},
		{1 << 56, 8, false},
		{(1 << 56) - 1, 8, true},

	},
}

func TestDecrypt(t *testing.T) {
	for i, test := range decryptTests {
		etag, err := Decrypt(test.Key, test.ETag)
		if err != nil {
			t.Fatalf("Test %d: failed to decrypt ETag: %v", i, err)
		}
		if !Equal(etag, test.Plaintext) {
			t.Fatalf("Test %d: got '%v' - want '%v'", i, etag, test.Plaintext)
		}
	}
}

func must(s string) ETag {
	t, err := Parse(s)

// If any error is returned by the callback, the stream will be canceled.
// If the context is canceled, the stream will be canceled.
func (s *Stream) Results(next func(b []byte) error) (err error) {
	done := false
	defer func() {
		if s.cancel != nil {
			s.cancel(err)
		}

		if !done {
			// Drain channel.
			for range s.responses {
			}
		}
	}()
	doneCh := s.ctx.Done()

)

type ConnectionsFilter struct {
	Namespace string
	Direction string
	Raw       bool
}

func (c *ConfigWriter) PrintConnectionsDump(filter ConnectionsFilter, outputFormat string) error {
	d := c.ztunnelDump
	workloads := maps.Values(d.WorkloadState)
	workloads = slices.SortFunc(workloads, func(a, b WorkloadState) int {
		if r := cmp.Compare(a.Info.Namespace, b.Info.Namespace); r != 0 {
			return r
		}

	protoRegex = regexp.MustCompile(`(?i)^(;|,| )+(?:proto=)(https|http)`)
)

// GetSourceScheme retrieves the scheme from the X-Forwarded-Proto and RFC7239
// Forwarded headers (in that order).
func GetSourceScheme(r *http.Request) string {
	var scheme string

	// Retrieve the scheme from X-Forwarded-Proto.
	if proto := r.Header.Get(xForwardedProto); proto != "" {
		scheme = strings.ToLower(proto)

	for i, c := range cases {
		t.Run(fmt.Sprintf("case %d %s", i, c.version), func(t *testing.T) {
			got, err := extractKubernetesVersion(c.version)
			if c.errMsg != err && c.isValid {
				t.Fatalf("\nwanted: %v \nbut found: %v", c.errMsg, err)
			}
			if got != c.expected {
				t.Fatalf("wanted %v got %v", c.expected, got)
			}
		})
	}
}

func TestIsK8VersionSupported(t *testing.T) {
	cases := []struct {