workerLeaseService.withLocks([projectLock]) {
                        assert testLock.tryLock()
                        try {
                            assert lockIsHeld(projectLock)
                        } finally {
                            testLock.unlock()
                        }
                    }
                }
            }
            started.await()

	"k8s.io/client-go/kubernetes"
	"k8s.io/client-go/kubernetes/fake"
	k8stesting "k8s.io/client-go/testing"

	"istio.io/istio/pkg/revisions"
	"istio.io/istio/pkg/test/util/retry"
)

const testLock = "test-lock"

func createElection(t *testing.T,
	name string, revision string,
	watcher revisions.DefaultWatcher,
	expectLeader bool,
	client kubernetes.Interface, fns ...func(stop <-chan struct{}),

		}
		testReadFrom struct { // ReadFrom(testFile{ops}) == (wantCnt, wantErr)
			ops     fileOps
			wantCnt int64
			wantErr error
		}
		testClose struct { // Close() == wantErr
			wantErr error
		}
		testFnc any // testHeader | testWrite | testReadFrom | testClose
	)

	vectors := []struct {
		file  string // Optional filename of expected output
		tests []testFnc
	}{{

        }, receivingFileLockContentionHandler)
        receivingSocket = receivingFileLockContentionHandler.communicator.socket
        receivingLock = fileLockManager.lock(file("locks/testlock"), DefaultLockOptions.mode(FileLockManager.LockMode.Exclusive), "testlock", "test holding lock", whenContended)
    }

	for _, test := range writeBlockTests {
		testBlock(t, test, "wb")
	}
}

// TestWriteBlockDynamic tests if the writeBlockDynamic encoding has changed.
// To update the reference files use the "-update" flag on the test.
func TestWriteBlockDynamic(t *testing.T) {
	for _, test := range writeBlockTests {
		testBlock(t, test, "dyn")
	}
}

// testBlock tests a block against its references,

`,
		},
	}
	for tn, tc := range testcases {

		t.Run(tn, func(t *testing.T) {
			metrics.Metrics.Reset()
			metrics.Metrics.SetClock(testingclock.NewFakeClock(time.Now()))
			d := dialerCreator{
				connector: &fakeProxyServerConnector{
					connectorErr: tc.connectorErr,
					proxierErr:   tc.proxierErr,
				},
				options: metricsOptions{

const (
	cloneText1 = `{{define "a"}}{{template "b"}}{{template "c"}}{{end}}`
	cloneText2 = `{{define "b"}}b{{end}}`
	cloneText3 = `{{define "c"}}root{{end}}`
	cloneText4 = `{{define "c"}}clone{{end}}`
)

func TestClone(t *testing.T) {
	// Create some templates and clone the root.
	root, err := New("root").Parse(cloneText1)
	if err != nil {
		t.Fatal(err)
	}
	_, err = root.Parse(cloneText2)
	if err != nil {

	const src = `package issue47243; var a uint64; var _ = a << uint64(4294967296)` // uint64(1<<32)
	testFiles(t, []string{"p.go"}, [][]byte{[]byte(src)}, false, withSizes(&StdSizes{4, 4}))
}

func TestCheck(t *testing.T) {
	old := buildcfg.Experiment.RangeFunc
	defer func() {
		buildcfg.Experiment.RangeFunc = old
	}()
	buildcfg.Experiment.RangeFunc = true

	DefPredeclaredTestFuncs()

	const src = `package issue47243; var a uint64; var _ = a << uint64(4294967296)` // uint64(1<<32)
	testFiles(t, []string{"p.go"}, [][]byte{[]byte(src)}, 0, false, withSizes(&StdSizes{4, 4}))
}

func TestCheck(t *testing.T) {
	old := buildcfg.Experiment.RangeFunc
	defer func() {
		buildcfg.Experiment.RangeFunc = old
	}()
	buildcfg.Experiment.RangeFunc = true

	DefPredeclaredTestFuncs()

			result := Reverse(tc.input)
			if diff := cmp2.Diff(tc.expected, result); diff != "" {
				t.Errorf("Reverse() mismatch (-want +got):\n%s", diff)
			}
		})
	}
}

func TestClone(t *testing.T) {
	tests := []struct {
		name  string
		slice []interface{}
	}{
		{
			name:  "Empty",
			slice: []interface{}{},
		},
		{
			name:  "Single Element",