schemaGenerator: func(max *int64) *schema.Structural {
				strType := withMaxLength(primitiveType("string", ""), max)
				array := withMaxItems(arrayType("atomic", nil, &strType), max)
				array = withRule(array, "self.join(' ') == 'aa bb'")
				return &array
			},
			expectedCalcCost: 329853068905,
			setMaxElements:   10,
			expectedSetCost:  43,
		},
		{
			name: "extended library isSorted",

	test("Addr.Is4In6", func() { sinkBool = MustParseAddr("fe80::1").Is4In6() })
	test("Addr.Unmap", func() { sinkIP = MustParseAddr("ffff::2.3.4.5").Unmap() })
	test("Addr.WithZone", func() { sinkIP = MustParseAddr("fe80::1").WithZone("") })
	test("Addr.IsGlobalUnicast", func() { sinkBool = MustParseAddr("2001:db8::1").IsGlobalUnicast() })

	// detector's 8k-goroutine limit
	for _, n := range []int{50, 500, 5000} {
		b.Run(fmt.Sprintf("Profile.WriteTo idle %d", n), withIdle(n, benchWriteTo))
		b.Run(fmt.Sprintf("Profile.WriteTo churn %d", n), withIdle(n, withChurn(benchWriteTo)))
		b.Run(fmt.Sprintf("runtime.GoroutineProfile churn %d", n), withIdle(n, withChurn(benchGoroutineProfile)))
	}
}

var emptyCallStackTestRun int64

// Issue 18836.

	plugins := ProbeVolumePlugins(volume.VolumeConfig{})
	v := NewFakeKubeletVolumeHost(
		t,
		"",      /* rootDir */
		nil,     /* kubeClient */
		plugins, /* plugins */
	)
	v.WithNode(node)

	return v.GetPluginMgr(), plugins[0].(*FakeVolumePlugin)
}

func GetTestKubeletVolumePluginMgrWithNodeAndRoot(t *testing.T, node *v1.Node, rootDir string) (*volume.VolumePluginMgr, *FakeVolumePlugin) {