t.Fatalf("got %v; wanted %v", out, in)
	}
}

// getDecEnginePtr cached engine for ut.base instead of ut.user so we passed
// a *map and then tried to reuse its engine to decode the inner map.
func TestPtrToMapOfMap(t *testing.T) {
	Register(make(map[string]any))
	subdata := make(map[string]any)
	subdata["bar"] = "baz"
	data := make(map[string]any)
	data["foo"] = subdata

	b := new(bytes.Buffer)