def container = new DefaultMutableAttributeContainer(attributesFactory)

        then:
        container.empty
        container.keySet().empty
        !container.contains(thing)
        container.getAttribute(thing) == null

        when:
        container.attribute(thing, "thing")

        then:
        !container.empty
        container.keySet() == [thing] as Set
        container.contains(thing)

			for pod := range tc.assignments {
				for container, set := range tc.assignments[pod] {
					state.SetCPUSet(pod, container, set)
					if cpus, _ := state.GetCPUSet(pod, container); !cpus.Equals(set) {
						t.Fatalf("state inconsistent, got %q instead of %q", set, cpus)
					}

					state.Delete(pod, container)
					if _, ok := state.GetCPUSet(pod, container); ok {
						t.Fatal("deleted container still existing in state")
					}
				}

	defer testKubelet.Cleanup()
	kubelet := testKubelet.kubelet

	pod := podWithUIDNameNsSpec("12345678", "foo", "test", v1.PodSpec{
		Containers: []v1.Container{
			{
				Name: "container1",
				VolumeMounts: []v1.VolumeMount{
					{
						Name:      "vol1",
						MountPath: "/mnt/vol1",
					},
					{
						Name:      "vol2",
						MountPath: "/mnt/vol2",
					},

			ID:   imageID(id),
			Size: size,
			Spec: container.ImageSpec{
				RuntimeHandler: runtimeHandler,
			},
		}
	}
}

// Make a container with the specified ID. It will use the image with the same ID.
func makeContainer(id int) *container.Container {
	return &container.Container{
		ID:      container.ContainerID{Type: "test", ID: fmt.Sprintf("container-%d", id)},
		Image:   imageName(id),

								{
									Name: "vol2",
								},
							},
						},
					},
					Containers: []v1.Container{
						{
							Name: "container1",
							VolumeMounts: []v1.VolumeMount{
								{
									Name: "vol3",
								},
							},
						},
						{
							Name: "container2",
							VolumeDevices: []v1.VolumeDevice{
								{
									Name: "vol4",
								},
							},

			for pod := range tc.assignments {
				for container, blocks := range tc.assignments[pod] {
					state.SetMemoryBlocks(pod, container, blocks)
					assert.Equal(t, blocks, state.GetMemoryBlocks(pod, container), "memory block inconsistent")

					state.Delete(pod, container)
					assert.Nil(t, state.GetMemoryBlocks(pod, container), "deleted container still existing in state")
				}
			}
		})
	}
}

}

// findContainerInPod finds a container by its name in the provided pod
func findContainerInPod(pod *v1.Pod, containerName string) (*v1.Container, error) {
	for _, container := range pod.Spec.Containers {
		if container.Name == containerName {
			return &container, nil
		}
	}
	for _, container := range pod.Spec.InitContainers {
		if container.Name == containerName {
			return &container, nil
		}
	}

					st.MakeContainer().Name("container1").Obj(),
				}).Obj(),
				st.MakePod().Name("p3.1").UID("p3.1").Node("node3").Priority(midPriority).Containers([]v1.Container{
					st.MakeContainer().Name("container1").Obj(),
					st.MakeContainer().Name("container2").Obj(),
					st.MakeContainer().Name("container3").Obj(),
				}).Obj(),
			},
			expected: "node2",

			}},
			expected: []string{
				`spec.containers[0].ports[2]: duplicate port definition with spec.containers[0].ports[0]`,
				`spec.containers[1].ports[0]: duplicate port definition with spec.containers[0].ports[0]`,
				`spec.containers[1].ports[0]: duplicate port definition with spec.containers[0].ports[2]`,
				`spec.containers[1].ports[1]: duplicate port definition with spec.containers[0].ports[0]`,

			return false
		}
	}
	return true
}

// HashContainer returns the hash of the container. It is used to compare
// the running container with its desired spec.
// Note: remember to update hashValues in container_hash_test.go as well.
func HashContainer(container *v1.Container) uint64 {
	hash := fnv.New32a()
	containerJSON, _ := json.Marshal(pickFieldsToHash(container))