| /* |
| * Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion A type T is more specific than a type S, written T << S, if T is of the form I<T1, ..., Tn> and |
| * S is of the form I<S1, ..., Sn> and: Ti << Si , 1 <= i <= n |
| * << is a partial order on types. T is a subtype of S, written T <: S, iff [⊥/Dynamic]T << S. |
| * A type T may be assigned to a type S, written T <=> S, if either T <: S or S <: T . |
| * @description Checks that GenericType<T> is mutually assignable (no static type warnings) with GenericType<S> |
| * where T and S are trivial generics. |
| * @static-clean |
| * @author iefremov |
| * @reviewer rodionov |
| */ |
| |
| class I {} |
| class J extends I {} |
| class K extends J {} |
| class L extends K {} |
| |
| typedef J f(List<num> l, [J i]); |
| typedef I f_1(List<Object> l, [I i]); |
| typedef K f_2(List<int> l, [L i]); |
| |
| main() { |
| List<List> l1 = (){} (); |
| List l1_ = new List<List>(); |
| |
| List<List> l2 = new List<List<List>>(); |
| List<List<List>> l2_ = new List<List>(); |
| |
| List<List> l3 = new List<List<List<List>>>(); |
| List<List<List<List>>> l3_ = new List<List>(); |
| |
| List<List<List<List>>> l4 = new List<List<List>>(); |
| List<List<List>> l4_ = new List<List<List<List>>>(); |
| |
| List<List<List<List>>> l5 = new List(); |
| List l5_ = new List<List<List<List>>>(); |
| |
| List<Map<int, double>> l6 = new List<Map>(); |
| List<Map> l6_ = new List<Map<int, double>>(); |
| |
| List<Map<num, num>> l7_super; |
| List<Map<int, double>> l7 = l7_super; |
| List<Map<num, num>> l7_ = new List<Map<int, double>>(); |
| |
| List<f> l8 = new List<f>(); |
| |
| List<f_1> l9 = new List<f>(); |
| List<f> l9_ = new List<f_1>(); |
| |
| List<f_2> l10 = new List<f>(); |
| List<f> l10_ = new List<f_2>(); |
| } |