blob: 81df6ce02b8d1f23316b5c30ef52dbc5a41be42c [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;
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();
});
}