| // Copyright (c) 2018, 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. |
| // Dart test program to test arithmetic operations. |
| |
| import "package:expect/expect.dart"; |
| |
| class C { |
| void Function() get call => () {}; |
| } |
| |
| class D { |
| get call => this; |
| } |
| |
| // Recurs outside the try-block to avoid disabling inlining. |
| callD() { |
| dynamic d = new D(); |
| d(); |
| } |
| |
| main() { |
| C c = new C(); |
| dynamic d = c; |
| |
| // The presence of a getter named `call` does not permit the class `C` to be |
| // implicitly called. |
| c(); //# 01: compile-time error |
| // Nor does it permit an implicit tear-off of `call`. |
| void Function() f = c; //# 02: compile-time error |
| // Nor does it permit a dynamic invocation of `call`. |
| Expect.throws(() => d()); //# 03: ok |
| // Same as previous line, but with a getter that can stack overflow if |
| // incorrect behavior is present. Merged from issue21159_test. |
| Expect.throwsNoSuchMethodError(() => callD()); //# 03: ok |
| |
| // However, all these things are possible if `call` is mentioned explicitly. |
| c.call(); //# 04: ok |
| void Function() f = c.call; //# 05: ok |
| d.call(); //# 06: ok |
| } |