newObjectFunc     func(index int, total int, expect int) runtime.Object
		newListObjectFunc func() runtime.Object
	}{
		{
			name:              "pick 50 pods out of 5000 pod",
			objectNum:         5000,
			expectNum:         50,
			selector:          labels.SelectorFromSet(map[string]string{"foo": "bar"}),
			newObjectFunc:     generateBigPod,
			newListObjectFunc: func() runtime.Object { return &examplev1.PodList{} },
		},
		{