blob: 2706bb747316bb9258137aed49284f4f71e15900 [file] [log] [blame]
// Copyright (c) 2015, 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 "package:async_helper/async_helper.dart";
import "native_testing.dart";
typedef void Callback0();
class A {
foo(Callback0 f) native;
makeA() native;
void setup() {
JS('', r"""
function A() {} = function(f) { return f(); };
self.makeA = function() { return new A(); };
main() {
// Makes sure that we don't run the event-loop when we have a reentrant
// call from JS to Dart code.
// We start by setting up a microtask that should only run after main has
// finished. We then pass a closure into JavaScript. That closure is
// immediately invoked. Dart2js had a bug, that it would start the event-loop
// at this moment (a JS->Dart transition), and execute the scheduled
// microtask.
var events = [];
var a = makeA();
new Future.microtask(() {
Expect.equals(499, {
events.add("closure to foo");
return 499;
events.add("after native call");
Expect.listEquals(["closure to foo", "after native call"], events);