blob: 132ad6bf7eb6eb8807d1bae921f4cc243e5863c7 [file] [log] [blame]
// Copyright (c) 2020, 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.
import 'dart:async';
import 'dart:isolate';
import 'dart:typed_data';
import 'package:expect/expect.dart';
double getDoubleWithHeapObjectTag() {
final bd = ByteData(8);
bd.setUint64(0, 0x8000000000000001,;
final double v = bd.getFloat64(0,;
return v;
class Foo {
final double x = getDoubleWithHeapObjectTag();
final String name = "Foo Class";
main(args) async {
final receivePort = new ReceivePort();
final it = StreamIterator(receivePort);
Expect.isTrue(await it.moveNext());
final Foo receivedFoo = it.current as Foo;
Expect.equals(receivedFoo.x, getDoubleWithHeapObjectTag());
Expect.equals(, "Foo Class");
await it.cancel();