// 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. // A test script that invokes compute() to start an isolate. import 'dart:isolate'; import 'package:flutter/src/foundation/_isolates_io.dart'; int getLength(String s) { final ReceivePort r = ReceivePort(); try { throw r; } finally { r.close(); } } Future<void> main() async { const String s = 'hello world'; bool wasError = false; try { await compute(getLength, s); } on RemoteError { wasError = true; } if (!wasError) { throw Exception('compute threw bad result'); } }