blob: 46ee9ff010a30361d09ad0f36a14481cfb277380 [file] [log] [blame]
// 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;
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('lazy async exception stack', () async {
try {
await foo();
fail("Did not throw");
} catch (e, st) {
expect(
h.stringContainsInOrder(st.toString(), [
'thrower', '.dart:14', // no auto-format.
'generator', '.dart:23', // no auto-format.
'<asynchronous suspension>', // no auto-format.
'foo', '.dart', // no auto-format.
'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',
'main.<anonymous closure>.inner.deep',
'main.<anonymous closure>.inner',
'main',
'<asynchronous suspension>',
]),
isTrue);
}
// Test for correct linkage.
try {
await thrower();
} catch (e, st) {
expect(
h.stringContainsInOrder(st.toString(), [
'thrower', '.dart:14', // no auto-format.
'main.<anonymous closure>', '.dart:75', // no auto-format.
]),
isTrue);
}
});
}