| // Copyright (c) 2016, 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 for testing try/catch statement without any exceptions |
| // being thrown. |
| // VMOptions=--optimization-counter-threshold=100 --no-background-compilation |
| |
| // @dart = 2.9 |
| |
| // Test optional parameters updated inside try-catch |
| |
| import "package:expect/expect.dart"; |
| |
| @pragma('vm:never-inline') |
| m1(int b) { |
| if (b == 1) throw 123; |
| } |
| |
| @pragma('vm:never-inline') |
| m2(int b) { |
| if (b == 2) throw 456; |
| } |
| |
| @pragma('vm:never-inline') |
| test1(int b, [int state = 0]) { |
| try { |
| state++; |
| m1(b); |
| state++; |
| m2(b); |
| state++; |
| } on dynamic catch (e, s) { |
| if (b == 1 && state != 1) throw "fail1"; |
| if (b == 2 && state != 2) throw "fail2"; |
| if (b == 3 && state != 3) throw "fail3"; |
| if (s is! StackTrace) throw "fail4"; |
| return e; |
| } |
| return "no throw"; |
| } |
| |
| @pragma('vm:never-inline') |
| test2(int b, [int state]) { |
| state = 0; |
| try { |
| state++; |
| m1(b); |
| state++; |
| m2(b); |
| state++; |
| } on dynamic catch (e, s) { |
| if (b == 1 && state != 1) throw "fail1"; |
| if (b == 2 && state != 2) throw "fail2"; |
| if (b == 3 && state != 3) throw "fail3"; |
| if (s is! StackTrace) throw "fail4"; |
| return e; |
| } |
| return "no throw"; |
| } |
| |
| main() { |
| for (var i = 0; i < 300; i++) { |
| Expect.equals("no throw", test1(0)); |
| } |
| Expect.equals("no throw", test1(0)); |
| Expect.equals(123, test1(1)); |
| Expect.equals(456, test1(2)); |
| |
| for (var i = 0; i < 300; i++) { |
| Expect.equals("no throw", test2(0)); |
| } |
| Expect.equals("no throw", test2(0)); |
| Expect.equals(123, test2(1)); |
| Expect.equals(456, test2(2)); |
| } |