| // Copyright (c) 2013, 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 = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| // Test to make sure the bailout environment in dart2js is correct. |
| |
| var global; |
| |
| class A { |
| var array; |
| |
| initArray() { |
| return global[0] == null ? [null] : new Map(); |
| } |
| |
| bar() { |
| array = initArray(); |
| do { |
| var element = array[0]; // bailout here |
| if (element is Map) continue; |
| if (element == null) break; |
| } while (true); |
| return global[0]; // bailout here |
| } |
| |
| baz() { |
| do { |
| var element = bar(); |
| if (element == null) return global[0]; // bailout here |
| if (element is Map) continue; |
| if (element is num) break; |
| } while (true); |
| return global[0]; // bailout here |
| } |
| } |
| |
| void main() { |
| global = [1]; |
| for (int i = 0; i < 2; i++) { |
| Expect.equals(1, new A().baz()); |
| Expect.equals(1, new A().bar()); |
| } |
| global = new Map(); |
| for (int i = 0; i < 2; i++) { |
| Expect.equals(null, new A().baz()); |
| Expect.equals(null, new A().bar()); |
| } |
| |
| global[0] = 42; |
| for (int i = 0; i < 2; i++) { |
| Expect.equals(42, new A().baz()); |
| Expect.equals(42, new A().bar()); |
| } |
| } |