| // 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(R Function<X extends B>(S)) = F* |
| * where F = R1 Function<X extends B1>(S1) |
| * and R1 = CONST_CANONICAL_TYPE(R) |
| * and B1 = CONST_CANONICAL_TYPE(B) |
| * and S1 = CONST_CANONICAL_TYPE(S) |
| * Note, this generalizes to arbitrary number of type and term parameters. |
| * |
| * @description Checks that CONST_CANONICAL_TYPE(R Function<X extends B>(S)) in |
| * the weak mode. |
| * Please note that this test should not be executed with analyzer. |
| * The exception is that some constant expressions are evaluated at compile time |
| * (we don't actually promise that they are evaluated before run time, but we |
| * know that some compile-time evaluation does take place); some of those |
| * constant expressions have different semantics in an execution with sound and |
| * unsound null checking. Hence we may be able to observe a different behavior. |
| * The analyzer assumes sound null checking during constant evaluation. So, the |
| * test should be skipped by analyzer. |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // Requirements=nnbd-weak |
| // SharedOptions=--enable-experiment=generic-metadata |
| |
| import "../../const_evaluation_lib.dart"; |
| |
| typedef FUNC = int Function<X extends String>(double); |
| int testme<X extends String>(double d) => throw "Should not reach here"; |
| |
| main() { |
| const c1 = C<FUNC>(null); |
| } |
