| // Copyright (c) 2020, 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. |
| // |
| // Test that ensure that we correctly handle this reference from within the |
| // try/catch even if it is captured. |
| |
| import 'package:expect/expect.dart'; |
| |
| var f; |
| |
| class X { |
| final String field; |
| |
| X(this.field); |
| |
| // We use toString as a selector here to make sure that it is not eligible |
| // for any potential transformations which remove named parameters. |
| @pragma('vm:never-inline') |
| String toString({String prefix}) { |
| f = () => this.field; |
| try { |
| return int.parse(prefix + this.field).toString(); |
| } catch (e) { |
| return '${prefix}${this.field.length}'; |
| } |
| } |
| } |
| |
| void main() { |
| final tests = [ |
| ['1', '11'], |
| ['2', '22'], |
| ['three', 'three5'] |
| ]; |
| for (var test in tests) { |
| final input = test[0]; |
| final output = test[1]; |
| Expect.equals(output, X(input).toString(prefix: input)); |
| Expect.equals(input, f()); |
| } |
| |
| try { |
| f().toString(); // to have an invocation of toString from dynamic context. |
| } catch (e) {} |
| } |