fb29d0e96d
This allows to break a circular dependency between package:expect and package:async_helper, which will simplify the support for modular tests using package:modular_test. Change-Id: Ie48723d3f35d51a8fbe622e0158450e8104fe3f5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102140 Reviewed-by: Johnni Winther <johnniwinther@google.com>
88 lines
2.0 KiB
Dart
88 lines
2.0 KiB
Dart
// 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.
|
|
|
|
import 'package:async_helper/async_minitest.dart';
|
|
|
|
import 'causal_async_exception_stack_helper.dart' as h;
|
|
|
|
thrower() async {
|
|
throw 'oops';
|
|
}
|
|
|
|
number() async {
|
|
return 4;
|
|
}
|
|
|
|
generator() async* {
|
|
yield await number();
|
|
yield await thrower();
|
|
}
|
|
|
|
foo() async {
|
|
await for (var i in generator()) {
|
|
print(i);
|
|
}
|
|
}
|
|
|
|
main() async {
|
|
// Test async and async*.
|
|
test('causal async exception stack', () async {
|
|
try {
|
|
await foo();
|
|
fail("Did not throw");
|
|
} catch (e, st) {
|
|
expect(
|
|
h.stringContainsInOrder(st.toString(), [
|
|
'thrower', '.dart:10', //
|
|
'<asynchronous suspension>', //
|
|
'generator', '.dart:19', //
|
|
'<asynchronous suspension>', //
|
|
'foo', '.dart:23', //
|
|
'<asynchronous suspension>', //
|
|
'main', //
|
|
]),
|
|
isTrue);
|
|
}
|
|
|
|
inner() async {
|
|
deep() async {
|
|
await thrower();
|
|
}
|
|
|
|
await deep();
|
|
}
|
|
|
|
// Test inner functions.
|
|
try {
|
|
await inner();
|
|
} catch (e, st) {
|
|
expect(
|
|
h.stringContainsInOrder(st.toString(), [
|
|
'thrower',
|
|
'<asynchronous suspension>',
|
|
'main.<anonymous closure>.inner.deep',
|
|
'<asynchronous suspension>',
|
|
'main.<anonymous closure>.inner',
|
|
'<asynchronous suspension>',
|
|
'main',
|
|
'<asynchronous suspension>',
|
|
]),
|
|
isTrue);
|
|
}
|
|
|
|
// Test for correct linkage.
|
|
try {
|
|
await thrower();
|
|
} catch (e, st) {
|
|
expect(
|
|
h.stringContainsInOrder(st.toString(), [
|
|
'thrower', '.dart:10', //
|
|
'<asynchronous suspension>', //
|
|
'main.<anonymous closure>', '.dart:76', //
|
|
]),
|
|
isTrue);
|
|
}
|
|
});
|
|
}
|