route: &networking.HTTPRoute{
				Mirror:           &networking.Destination{},
				MirrorPercentage: &networking.Percent{Value: 0.0},
			},
			want: nil,
		},
		{
			name: "mirrorpercentage with actual percent",
			route: &networking.HTTPRoute{
				Mirror:           &networking.Destination{},
				MirrorPercentage: &networking.Percent{Value: 50.0},
			},
			want: &core.RuntimeFractionalPercent{

			MirrorPercentage: &networking.Percent{
				Value: 101,
			},
			Route: []*networking.HTTPRouteDestination{{
				Destination: &networking.Destination{Host: "foo.bar"},
			}},
			Match: []*networking.HTTPMatchRequest{nil},
		}, valid: false},
		{name: "valid mirror percentage", route: &networking.HTTPRoute{
			MirrorPercentage: &networking.Percent{
				Value: 1,
			},

		delegate.Mirror = root.Mirror
	}
	// nolint: staticcheck
	if delegate.MirrorPercent == nil {
		delegate.MirrorPercent = root.MirrorPercent
	}
	if delegate.MirrorPercentage == nil {
		delegate.MirrorPercentage = root.MirrorPercentage
	}
	if delegate.CorsPolicy == nil {
		delegate.CorsPolicy = root.CorsPolicy
	}
	if delegate.Mirrors == nil {
		delegate.Mirrors = root.Mirrors
	}