| /* |
| * 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 function types with no |
| * arguments: S is some generic, T is some other type assignable to S. |
| * @author iefremov |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| typedef t1(); |
| typedef void t2(); |
| typedef int? t3(); |
| typedef String? t4(); |
| typedef double? t5(); |
| typedef Object? t6(); |
| typedef t1? t7(); |
| typedef List? t8(); |
| typedef List<int>? t9(); |
| typedef Map<int, List<List<List>>>? t10(); |
| typedef t10? t11(); |
| typedef t11? t12(); |
| typedef num? t13(); |
| typedef List<B>? t14(); |
| typedef Map? t15(); |
| typedef Map<num, Object>? t16(); |
| |
| class A {} |
| class B extends A {} |
| class C extends B {} |
| class D extends C {} |
| |
| //() -> T is () -> List |
| List? f1() {} |
| List<int>? f2() {} |
| List<double>? f3() {} |
| List<Object>? f4() {} |
| List<String>? f5() {} |
| List<Map<int, Map>>? f6() {} |
| List<Map<int, t8>>? f7() {} |
| List<Map<t8, t8>>? f8() {} |
| List<t8>? f9() {} |
| //() -> T is () -> List<int> |
| List? f10() {} |
| List<int>? f11() {} |
| List<Object>? f12() {} |
| //() -> T is () -> List<B> |
| List? f13() {} |
| List<Object>? f14() {} |
| List<A>? f15() {} |
| List<B>? f16() {} |
| List<C>? f17() {} |
| List<D>? f18() {} |
| //() -> T is () -> Map |
| Map? f19() {} |
| Map<Object, Object>? f20() {} |
| Map<Object, int>? f21() {} |
| Map<int, Object>? f22() {} |
| Map<int, int>? f23() {} |
| Map<int, List<int>>? f24() {} |
| Map<List<int>, List<int>>? f25() {} |
| Map<List<int>, t15>? f26() {} |
| Map<t15, t15>? f27() {} |
| Map<t15, t14>? f28() {} |
| //() -> T is () -> Map<num, Object> |
| Map<num, Object>? f29() {} |
| Map<int, Object>? f30() {} |
| Map<double, Object>? f31() {} |
| Map<double, int>? f32() {} |
| Map<double, num>? f33() {} |
| Map<int, A>? f34() {} |
| Map<num, B>? f35() {} |
| Map<num, List>? f36() {} |
| Map<num, Map>? f37() {} |
| Map<num, Map<int, int>>? f38() {} |
| Map<num, Map<List, List<int>>>? f39() {} |
| |
| main() { |
| //() -> T is () -> List |
| Expect.isTrue(f1 is t8); |
| Expect.isTrue(f2 is t8); |
| Expect.isTrue(f3 is t8); |
| Expect.isTrue(f4 is t8); |
| Expect.isTrue(f5 is t8); |
| Expect.isTrue(f6 is t8); |
| Expect.isTrue(f7 is t8); |
| Expect.isTrue(f8 is t8); |
| Expect.isTrue(f9 is t8); |
| |
| //() -> T is () -> List<int> |
| Expect.isFalse(f10 is t9); |
| Expect.isTrue(f11 is t9); |
| Expect.isFalse(f12 is t9); |
| |
| //() -> T is () -> List<B> |
| Expect.isFalse(f13 is t14); |
| Expect.isFalse(f14 is t14); |
| Expect.isFalse(f15 is t14); |
| Expect.isTrue(f16 is t14); |
| Expect.isTrue(f17 is t14); |
| Expect.isTrue(f18 is t14); |
| |
| //() -> T is () -> Map |
| Expect.isTrue(f19 is t15); |
| Expect.isTrue(f20 is t15); |
| Expect.isTrue(f21 is t15); |
| Expect.isTrue(f22 is t15); |
| Expect.isTrue(f23 is t15); |
| Expect.isTrue(f24 is t15); |
| Expect.isTrue(f25 is t15); |
| Expect.isTrue(f26 is t15); |
| Expect.isTrue(f27 is t15); |
| Expect.isTrue(f28 is t15); |
| |
| //() -> T is () -> Map<num, Object> |
| Expect.isTrue(f29 is t16); |
| Expect.isTrue(f30 is t16); |
| Expect.isTrue(f31 is t16); |
| Expect.isTrue(f32 is t16); |
| Expect.isTrue(f33 is t16); |
| Expect.isTrue(f34 is t16); |
| Expect.isTrue(f35 is t16); |
| Expect.isTrue(f36 is t16); |
| Expect.isTrue(f37 is t16); |
| Expect.isTrue(f38 is t16); |
| Expect.isTrue(f39 is t16); |
| } |