| /* |
| * Copyright (c) 2021, 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 CONST_CANONICAL_TYPE(FutureOr<T>) = FutureOr<S>* where S is |
| * CONST_CANONICAL_TYPE(T) |
| * |
| * @description Checks that CONST_CANONICAL_TYPE(FutureOr<int>) = FutureOr<int> |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // Requirements=nnbd-strong |
| |
| import"dart:async"; |
| import "../../Utils/expect.dart"; |
| import "const_evaluation_lib.dart"; |
| |
| dynamic d = null; |
| Never n = throw "Should not reach here"; |
| |
| const c1 = C<FutureOr<int>>(1); |
| |
| void test1() => c1.test(1); |
| void test2() => c1.test(null); |
| void test3() => c1.test(d); |
| void test4() => c1.test(n); |
| |
| main() { |
| test1(); |
| Expect.throws(() => test2()); |
| Expect.throws(() => test3()); |
| Expect.throws(() => test4()); |
| } |