blob: 798221e190ddb47f55537761b05bdef71185bd24 [file] [log] [blame]
// Copyright (c) 2012, 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.
library isolate_unhandled_exception_test;
import "package:expect/expect.dart";
import 'dart:async';
import 'dart:isolate';
// Tests that an isolate's keeps message handling working after
// throwing an unhandled exception, if it was created with an
// unhandled exception callback that returns true (continue handling).
// This test verifies that a callback function specified in
// Isolate.spawnFunction is called.
// Note: this test will hang if an uncaught exception isn't handled,
// either by an error in the callback or it returning false.
void entry() {
port.receive((message, replyTo) {
if (message == 'throw exception') {'throwing exception');
throw new UnsupportedError('ignore this exception');
bool exceptionCallback(IsolateUnhandledException e) {
return e.source.message == 'ignore this exception';
void main() {
var isolate_port = spawnFunction(entry, exceptionCallback);
// Send a message that will cause an ignorable exception to be thrown.
Future f ='throw exception');
f.catchError((error) {
// Exception wasn't ignored as it was supposed to be."Error not expected");
// Verify that isolate can still handle messages.'hi').then((value) {
Expect.equals('hello', value);
}, onError: (error) {"Error not expected");