}
		defer os.Remove(f)
		id, err := ReadFile(f)
		if id != expectedID || err != nil {
			t.Errorf("ReadFile(testdata/%s) = %q, %v, want %q, nil", f, id, err, expectedID)
		}
		old := readSize
		readSize = 2048
		id, err = ReadFile(f)
		readSize = old
		if id != expectedID || err != nil {
			t.Errorf("ReadFile(%s) [readSize=2k] = %q, %v, want %q, nil", f, id, err, expectedID)
		}

		data, err := os.ReadFile(f)
		if err != nil {

		{filter: "postsubmit", labels: NewSet(CustomSetup), expected: false},
		{filter: "postsubmit", labels: NewSet(CustomSetup, Postsubmit), expected: true},
		{filter: "postsubmit,customsetup", labels: NewSet(Postsubmit, CustomSetup), expected: true},
		{filter: "postsubmit,customsetup", labels: NewSet(Postsubmit), expected: false},
		{filter: "+postsubmit,+customsetup", labels: NewSet(Postsubmit), expected: false},

 */
class ToolingApiModelChecker {

    static <T> void checkModel(T actual, T expected, List<Object> specs) {
        assert (actual == null) == (expected == null)
        if (expected == null) {
            return
        }

        if (expected instanceof Collection) {
            assert actual instanceof Collection
            checkCollection(actual, expected) { actualItem, expectedItem ->

			if tc.errStr != "" {
				t.Errorf("[%s] no error seen, but expected failure: %s", tc.name, tc.errStr)
			} else if actual != tc.expected {
				t.Errorf("[%s] expected address %q, got %q", tc.name, tc.expected, actual)
			}
		}
	}
}

func TestAllIPv6(t *testing.T) {
	tests := []struct {
		name     string
		addrs    []string
		expected bool
	}{
		{
			name:     "ipv4 only",

		if actual != nil && test.expected == nil {
			t.Errorf("Unexpected success, input: %v, expected: %v, actual: %v, err: %v", test.input, test.expected, actual, err)
		}
		if actual == nil && test.expected != nil {
			t.Errorf("Unexpected failure, input: %v, expected: %v, actual: %v, err: %v", test.input, test.expected, actual, err)
		}
		if (actual == nil && test.expected == nil) || reflect.DeepEqual(*actual, *test.expected) {
			continue
		}

			expected: true,
		},
	}

	for _, rt := range initTest {
		t.Run(rt.name, func(t *testing.T) {
			_, _, _, err := runKubeadmInit(t, rt.args)
			if (err == nil) != rt.expected {
				t.Fatalf(dedent.Dedent(`
					CmdInitToken test case %q failed with an error: %v
					command 'kubeadm init %s'
						expected: %t
						err: %t
					`),
					rt.name,
					err,
					rt.args,
					rt.expected,
					(err == nil),

	fake.SetLocalAddresses("eth0", "1.2.3.4")
	var expected, addr sets.Set[string]
	expected = sets.New("1.2.3.4")
	addr, _ = fake.GetLocalAddresses("eth0")
	if !addr.Equal(expected) {
		t.Errorf("Unexpected mismatch, expected: %v, got: %v", expected, addr)
	}
	addr, _ = fake.GetAllLocalAddresses()
	if !addr.Equal(expected) {
		t.Errorf("Unexpected mismatch, expected: %v, got: %v", expected, addr)
	}
	fake.SetLocalAddresses("lo", "127.0.0.1")

			t.Errorf("Unexpected result, input: %v, expected: %v, actual: %v", testCase.input, testCase.expected, actual)
		}
	}
}

func TestParseSystemdToCgroupName(t *testing.T) {
	testCases := []struct {
		input    string
		expected CgroupName
	}{
		{
			input:    "/test",
			expected: []string{"test"},
		},
		{
			input:    "/test.slice",
			expected: []string{"test"},
		},

		name     string
		expected int
	}{
		{
			name:     "write no line",
			expected: 0,
		},
		{
			name:     "write one line",
			expected: 1,
		},
		{
			name:     "write 100 lines",
			expected: 100,
		},
		{
			name:     "write 1000 lines",
			expected: 1000,
		},
		{
			name:     "write 10000 lines",
			expected: 10000,
		},
		{

	}

	v = ev.Get()
	if v != 123.0 {
		t.Errorf("Expected 123.0, got %v", v)
	}

	_ = os.Setenv(testVar, "789")

	ev = RegisterFloatVar(testVar, 123.0, "")
	v, present = ev.Lookup()
	if v != 789 {
		t.Errorf("Expected 789.0, got %v", v)
	}
	if !present {
		t.Errorf("Expected present")
	}

	v = ev.Get()
	if v != 789 {
		t.Errorf("Expected 789.0, got %v", v)
	}
}