| /* |
| * Copyright (c) 2019, 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 It is an error if a top level variable, static variable, or |
| * instance field with potentially non-nullable type has no initializer |
| * expression and is not initialized in a constructor via an initializing formal |
| * or an initializer list entry, unless the variable or field is marked with the |
| * 'late' modifier. |
| * |
| * @description Check that it is no compile-time error if an instance field |
| * with potentially non-nullable type has no initializer expression but |
| * initialized in a constructor via an initializing formal or an initializer |
| * list entry. Test FutureOr |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| // Requirements=nnbd-strong |
| import "dart:async"; |
| import "legacy_lib.dart"; |
| |
| typedef void Foo(); |
| class A {} |
| void foo() {} |
| Never never() {} |
| |
| class C1<T extends Object> { |
| FutureOr<T> t1; |
| FutureOr<Never> n1; |
| FutureOr<Function> f1; |
| FutureOr<Foo> f2; |
| FutureOr<A> a1; |
| FutureOr<M> m1; |
| FutureOr<FutureOr<A>> a2; |
| |
| C1(FutureOr<T> t, FutureOr<Never> n, FutureOr<Function> f1, FutureOr<Foo> f2, FutureOr<A> a1, FutureOr<M> m1, FutureOr<FutureOr<A>> a2) |
| : this.t1 = t, this.n1 = n, this.f1 = f1, this.f2 = f2, this.a1 = a1, this.m1 = m1, this.a2 = a2 {} |
| } |
| |
| class C2<T extends Object> { |
| FutureOr<T> t1; |
| FutureOr<Never> n1; |
| FutureOr<Function> f1; |
| FutureOr<Foo> f2; |
| FutureOr<A> a1; |
| FutureOr<M> m1; |
| FutureOr<FutureOr<A>> a2; |
| C2(this.t1, this.n1, this.f1, this.f2, this.a1, this.m1, this.a2); |
| } |
| |
| main() { |
| new C1<String>("s", never(), foo, foo, A(), M(), A()); |
| new C2<String>("s", never(), foo, foo, A(), M(), A()); |
| } |