| // Copyright (c) 2017, 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. |
| // VMOptions=--causal_async_stacks --no-lazy-async-stacks |
| // VMOptions=--no-causal_async_stacks --lazy-async-stacks |
| |
| import "package:expect/expect.dart"; |
| |
| noop() async => Future.value(null); |
| |
| baz() async { |
| // Throw exception after the first continuation, when there is no |
| // original stack trace. |
| await noop(); |
| throw "Bad!"; |
| } |
| |
| bar() async { |
| await baz(); |
| } |
| |
| foo() async { |
| await bar(); |
| } |
| |
| main() async { |
| try { |
| await foo(); |
| } catch (e, st) { |
| Expect.isTrue(st.toString().contains("baz")); |
| Expect.isTrue(st.toString().contains("bar")); |
| Expect.isTrue(st.toString().contains("foo")); |
| Expect.isTrue(st.toString().contains("main")); |
| } |
| } |