// 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';intgetLength(ReceivePorts){return0;}Future<void>main()async{finalReceivePorts=ReceivePort();boolwasError=false;try{awaitcompute(getLength,s);}onObject{wasError=true;}s.close();assert(wasError);}