// Note that this operation could be operated concurrently with other attach/detach operations.
	// In theory (but very unlikely in practise), race condition among these operations might mark volume as detached
	// even if it is attached. But reconciler can correct this in a short period of time.

      int rightCode = identityHashCode(right);
      if (leftCode != rightCode) {
        return leftCode < rightCode ? -1 : 1;
      }

      // identityHashCode collision (rare, but not as rare as you'd think)
      int result = getUid(left).compareTo(getUid(right));
      if (result == 0) {
        throw new AssertionError(); // extremely, extremely unlikely.
      }
      return result;
    }

      int rightCode = identityHashCode(right);
      if (leftCode != rightCode) {
        return leftCode < rightCode ? -1 : 1;
      }

      // identityHashCode collision (rare, but not as rare as you'd think)
      int result = getUid(left).compareTo(getUid(right));
      if (result == 0) {
        throw new AssertionError(); // extremely, extremely unlikely.
      }
      return result;
    }

	trace := utiltrace.New("Scheduling", utiltrace.Field{Key: "namespace", Value: pod.Namespace}, utiltrace.Field{Key: "name", Value: pod.Name})
	defer trace.LogIfLong(100 * time.Millisecond)
	if err := sched.Cache.UpdateSnapshot(klog.FromContext(ctx), sched.nodeInfoSnapshot); err != nil {
		return result, err
	}
	trace.Step("Snapshotting scheduler cache and node infos done")

		t.Fatal(err)
	}

	err = os.Chdir("..")
	if err != nil {
		t.Fatal(err)
	}

	fi2, err := f.Stat()
	if err != nil {
		t.Fatal(err)
	}

	if !os.SameFile(fi, fi2) {
		t.Fatal("race condition occurred")
	}
}

func TestOpenVolumeName(t *testing.T) {
	tmpdir := t.TempDir()
	chdir(t, tmpdir)

	want := []string{"file1", "file2", "file3", "gopher.txt"}
	slices.Sort(want)

	// Initialize the metrics beforehand because this could
	// allocate and skew the stats.
	metricsLock()
	initMetrics()

	systemstack(func() {
		// Donate the racectx to g0. readMetricsLocked calls into the race detector
		// via map access.
		getg().racectx = getg().m.curg.racectx

		// Read the metrics once before in case it allocates and skews the metrics.

		expectedGracePeriod int64
	}{
		{
			name: "default termination grace period",
			pod: &v1.Pod{
				Spec: v1.PodSpec{Containers: []v1.Container{{Name: "foo"}}},
			},
			reason:              reasonUnknown,
			expectedGracePeriod: int64(2),
		},
		{
			name: "use pod termination grace period",
			pod: &v1.Pod{
				Spec: v1.PodSpec{

		},
		{
			name:        "grace period .50",
			created:     now,
			expire:      now.Add(time.Hour),
			gracePeriod: 0.5,
			expected:    time.Minute * 30,
		},
		{
			name:        "grace period .25",
			created:     now,
			expire:      now.Add(time.Hour),
			gracePeriod: 0.25,
			expected:    time.Minute * 45,
		},
		{
			name:        "grace period .75",
			created:     now,

	"istio.io/istio/security/pkg/k8s/chiron"
	"istio.io/istio/security/pkg/pki/ca"
	certutil "istio.io/istio/security/pkg/util"
)

const (
	// defaultCertGracePeriodRatio is the default length of certificate rotation grace period,
	// configured as the ratio of the certificate TTL.
	defaultCertGracePeriodRatio = 0.5

	// the interval polling root cert and resign istiod cert when it changes.
	rootCertPollingInterval = 60 * time.Second

			template: func() *resource.ResourceClaimTemplate {
				template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
				template.CreationTimestamp = now
				return template
			}(),
		},
		"deletion-grace-period-seconds": {
			template: func() *resource.ResourceClaimTemplate {
				template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
				template.DeletionGracePeriodSeconds = pointer.Int64(10)
				return template