| // 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=--lazy-async-stacks |
| |
| // @dart = 2.9 |
| |
| import 'package:async_helper/async_minitest.dart'; |
| |
| import 'lazy_async_exception_stack_helper.dart' as h; |
| |
| foo3() async => throw "foo"; |
| bar3() async => throw "bar"; |
| |
| foo2() async => foo3(); |
| bar2() async => bar3(); |
| |
| foo() async => foo2(); |
| bar() async => bar2(); |
| |
| test1() async { |
| // test1 -> foo -> foo2 -> foo3 |
| // test1 -> bar -> bar2 -> bar3 |
| // These run interleaved, check their stack traces don't become mixed. |
| var a = foo(); |
| var b = bar(); |
| |
| try { |
| await a; |
| } catch (e, st) { |
| // st has foo,2,3 and not bar,2,3. |
| expect( |
| h.stringContainsInOrder(st.toString(), [ |
| 'foo3', |
| 'foo2', |
| 'foo', |
| 'test1', |
| ]), |
| isTrue); |
| expect(st.toString().contains('bar'), isFalse); |
| } |
| |
| try { |
| await b; |
| } catch (e, st) { |
| // st has bar,2,3 but not foo,2,3 |
| expect( |
| h.stringContainsInOrder(st.toString(), [ |
| 'bar3', |
| 'bar2', |
| 'bar', |
| 'test1', |
| ]), |
| isTrue); |
| expect(st.toString().contains('foo'), isFalse); |
| } |
| } |
| |
| test2() async { |
| // test2 -> foo -> foo2 -> foo3 |
| // test2 -> bar -> bar2 -> bar3 |
| // These run sequentially, check the former stack trace didn't get linked to |
| // from the latter stack trace. |
| |
| try { |
| await foo(); |
| } catch (e, st) { |
| // st has foo,2,3 but not bar,2,3 |
| expect( |
| h.stringContainsInOrder(st.toString(), [ |
| 'foo3', |
| 'foo2', |
| 'foo', |
| 'test2', |
| ]), |
| isTrue); |
| expect(st.toString().contains('bar'), isFalse); |
| } |
| |
| try { |
| await bar(); |
| } catch (e, st) { |
| // st has bar,2,3 but not foo,2,3 |
| expect( |
| h.stringContainsInOrder(st.toString(), [ |
| 'bar3', |
| 'bar2', |
| 'bar', |
| 'test2', |
| ]), |
| isTrue); |
| expect(st.toString().contains('foo'), isFalse); |
| } |
| } |
| |
| main() async { |
| test('lazy async exception stack', () async { |
| await test1(); |
| await test2(); |
| }); |
| } |