if expectedRoutes == 0 {
		expectedRoutes = len(expectedHosts)
	}
	numberOfRoutes := 0
	for _, vhost := range routeCfg.VirtualHosts {
		numberOfRoutes += len(vhost.Routes)
		if _, found := expectedHosts[vhost.Name]; !found {
			t.Fatalf("unexpected vhost block %s for route %s",
				vhost.Name, routeName)
		}

		for _, domain := range vhost.Domains {
			if !expectedHosts[vhost.Name][domain] {

// and checks that the resulting equals the expectedCost if expectedCost is non-zero, and that the resulting cost is >= expectedCostExceedsLimit
// if expectedCostExceedsLimit is non-zero. Typically, only expectedCost or expectedCostExceedsLimit is non-zero, not both.
func schemaChecker(schema *schema.Structural, expectedCost uint64, expectedCostExceedsLimit uint64, t *testing.T) func(t *testing.T) {

			},
		},
	}

	for _, tt := range cases {
		tt := tt
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()
			for validRule, expectedCost := range tt.expectCost {
				validRule := validRule
				expectedCost := expectedCost
				testName := validRule
				if len(testName) > 127 {
					testName = testName[:127]
				}
				t.Run(testName, func(t *testing.T) {
					t.Parallel()