blob: 247530b3052de4cfe54c3038d6b7c6fda1b3eca0 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:stack_trace/stack_trace.dart' as stack_trace;
Future<void> main() async {
test('demangles stacks', () async {
// Test that the tester bindings unmangle stacks that come in as
// package:stack_trace types.
// Uses runTest directly so that the test does not get hung up waiting for
// the error reporter to be reset to the original one.
final Completer<FlutterErrorDetails> errorCompleter = Completer<FlutterErrorDetails>();
final TestExceptionReporter oldReporter = reportTestException;
reportTestException = (FlutterErrorDetails details, String testDescription) {
reportTestException = oldReporter;
final AutomatedTestWidgetsFlutterBinding binding = AutomatedTestWidgetsFlutterBinding();
await binding.runTest(() async {
final Completer<String> completer = Completer<String>();
(String value) {},
onError: (Object error, StackTrace stack) {
assert(stack is stack_trace.Chain);
exception: error,
stack: stack,
completer.completeError(const CustomException());
}, () { });
final FlutterErrorDetails details = await errorCompleter.future;
expect(details, isNotNull);
expect(details.exception, isA<CustomException>());
reportTestException = oldReporter;
class CustomException implements Exception {
const CustomException();