| // 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 function type (T1,...Tk,[Tk+1,...,Tn+m]) -> T is a subtype of |
| /// the function type (S1,...,Sk+j,[Sk+j+1,...,Sn]) -> S, if all of the following |
| /// conditions are met: |
| /// 1. Either |
| /// • S is void, or |
| /// • T <=> S. |
| /// 2. ∀i ∈ 1..n, Ti ⇐⇒ Si. |
| /// @description Checks that this statement is true for functions with a single |
| /// positional optional parameter (class, generic, function, Dynamic). |
| /// @author iefremov |
| |
| import "../../../Utils/expect.dart"; |
| |
| class A {} |
| class B implements A {} |
| class C implements B {} |
| class D implements C {} |
| |
| typedef t1([B? a]); |
| typedef t2([C? c]); |
| typedef t3([int? i]); |
| typedef t4([var v]); |
| typedef t5([Map? m]); |
| typedef t6([Map<int, num>? m]); |
| typedef t7([t1? f]); |
| typedef t8([Object? a]); |
| |
| typedef okWithT1_1([A? a]); |
| typedef okWithT1_2([B? a]); |
| typedef okWithT1_3([C? a]); |
| typedef okWithT1_4([D? a]); |
| |
| main() { |
| Expect.isTrue(([A? a]) {} is t1); |
| Expect.isTrue(([B? a]) {} is t1); |
| Expect.isFalse(([C? a]) {} is t1); |
| Expect.isFalse(([D? a]) {} is t1); |
| Expect.isTrue(([Object? a]) {} is t1); |
| Expect.isTrue(([var a]) {} is t1); |
| Expect.runtimeIsType<t1>(([A? a]) {}); |
| Expect.runtimeIsType<t1>(([B? a]) {}); |
| Expect.runtimeIsNotType<t1>(([C? a]) {}); |
| Expect.runtimeIsNotType<t1>(([D? a]) {}); |
| Expect.runtimeIsType<t1>(([Object? a]) {}); |
| Expect.runtimeIsType<t1>(([var a]) {}); |
| |
| Expect.isTrue(([A? c]) {} is t2); |
| Expect.isTrue(([B? c]) {} is t2); |
| Expect.isTrue(([C? c]) {} is t2); |
| Expect.isFalse(([D? c]) {} is t2); |
| Expect.isTrue(([Object? c]) {} is t2); |
| Expect.isTrue(([var c]) {} is t2); |
| Expect.runtimeIsType<t2>(([A? a]) {}); |
| Expect.runtimeIsType<t2>(([B? a]) {}); |
| Expect.runtimeIsType<t2>(([C? a]) {}); |
| Expect.runtimeIsNotType<t2>(([D? a]) {}); |
| Expect.runtimeIsType<t2>(([Object? a]) {}); |
| Expect.runtimeIsType<t2>(([var a]) {}); |
| |
| Expect.isTrue(([num? i]) {} is t3); |
| Expect.isTrue(([int? i]) {} is t3); |
| Expect.isTrue(([Object? i]) {} is t3); |
| Expect.isTrue(([var i]) {} is t3); |
| Expect.runtimeIsType<t3>(([num? a]) {}); |
| Expect.runtimeIsType<t3>(([int? a]) {}); |
| Expect.runtimeIsType<t3>(([Object? a]) {}); |
| Expect.runtimeIsType<t3>(([var a]) {}); |
| |
| Expect.isFalse(([A? v]) {} is t4); |
| Expect.isFalse(([B? v]) {} is t4); |
| Expect.isFalse(([C? v]) {} is t4); |
| Expect.isFalse(([D? v]) {} is t4); |
| Expect.isTrue(([Object? v]) {} is t4); |
| Expect.isTrue(([var v]) {} is t4); |
| Expect.isFalse(([num? v]) {} is t4); |
| Expect.isFalse(([int? v]) {} is t4); |
| Expect.isFalse(([Map? v]) {} is t4); |
| Expect.isFalse(([Map<List<Map<List, List<int>>>, List>? v]) {} is t4); |
| Expect.isFalse(([List? v]) {} is t4); |
| Expect.isFalse(([t8? v]) {} is t4); |
| Expect.isFalse(([t7? v]) {} is t4); |
| Expect.runtimeIsNotType<t4>(([A? a]) {}); |
| Expect.runtimeIsNotType<t4>(([B? a]) {}); |
| Expect.runtimeIsNotType<t4>(([C? a]) {}); |
| Expect.runtimeIsNotType<t4>(([D? a]) {}); |
| Expect.runtimeIsType<t4>(([Object? a]) {}); |
| Expect.runtimeIsType<t4>(([var a]) {}); |
| Expect.runtimeIsNotType<t4>(([num? a]) {}); |
| Expect.runtimeIsNotType<t4>(([int? a]) {}); |
| Expect.runtimeIsNotType<t4>(([Map? a]) {}); |
| Expect.runtimeIsNotType<t4>(([Map<List<Map<List, List<int>>>, List>? v]) {}); |
| Expect.runtimeIsNotType<t4>(([List? a]) {}); |
| Expect.runtimeIsNotType<t4>(([t8? a]) {}); |
| Expect.runtimeIsNotType<t4>(([t7? a]) {}); |
| |
| Expect.isTrue(([Map? m]) {} is t5); |
| Expect.isFalse(([Map<List, t8>? m]) {} is t5); |
| Expect.isTrue(([Object? m]) {} is t5); |
| Expect.isTrue(([var m]) {} is t5); |
| Expect.isFalse(([Map<List, List>? m]) {} is t5); |
| Expect.isFalse(([Map<int, t8>? m]) {} is t5); |
| Expect.runtimeIsType<t5>(([Map? a]) {}); |
| Expect.runtimeIsNotType<t5>(([Map<List, t8>? a]) {}); |
| Expect.runtimeIsType<t5>(([Object? a]) {}); |
| Expect.runtimeIsType<t5>(([var a]) {}); |
| Expect.runtimeIsNotType<t5>(([Map<List, List>? a]) {}); |
| Expect.runtimeIsNotType<t5>(([Map<int, t8>? a]) {}); |
| |
| Expect.isTrue(([Map<num, num>? m]) {} is t6); |
| Expect.isFalse(([Map<int, int>? m]) {} is t6); |
| Expect.isTrue(([Map? m]) {} is t6); |
| Expect.isTrue(([Object? m]) {} is t6); |
| Expect.isTrue(([var m]) {} is t6); |
| |
| Expect.isFalse(([okWithT1_1? f]) {} is t7); |
| Expect.isTrue(([okWithT1_2? f]) {} is t7); |
| Expect.isTrue(([okWithT1_3? f]) {} is t7); |
| Expect.isTrue(([okWithT1_4? f]) {} is t7); |
| |
| Expect.isFalse(([A? a]) {} is t8); |
| Expect.isFalse(([B? a]) {} is t8); |
| Expect.isFalse(([C? a]) {} is t8); |
| Expect.isFalse(([D? a]) {} is t8); |
| Expect.isTrue(([Object? a]) {} is t8); |
| Expect.isTrue(([var a]) {} is t8); |
| Expect.isFalse(([num? a]) {} is t8); |
| Expect.isFalse(([int? a]) {} is t8); |
| Expect.isFalse(([Map? a]) {} is t8); |
| Expect.isFalse(([Map<List<Map<List, List<int>>>, List>? a]) {} is t8); |
| Expect.isFalse(([List? a]) {} is t8); |
| Expect.runtimeIsNotType<t8>(([A? a]) {}); |
| Expect.runtimeIsNotType<t8>(([B? a]) {}); |
| Expect.runtimeIsNotType<t8>(([C? a]) {}); |
| Expect.runtimeIsNotType<t8>(([D? a]) {}); |
| Expect.runtimeIsType<t8>(([Object? a]) {}); |
| Expect.runtimeIsType<t8>(([var a]) {}); |
| Expect.runtimeIsNotType<t8>(([num? a]) {}); |
| Expect.runtimeIsNotType<t8>(([int? a]) {}); |
| Expect.runtimeIsNotType<t8>(([Map? a]) {}); |
| Expect.runtimeIsNotType<t8>(([Map<List<Map<List, List<int>>>, List>? v]) {}); |
| Expect.runtimeIsNotType<t8>(([List? a]) {}); |
| } |