blob: e1634c4922c09db15cdc22515cf2f6c95ae635b1 [file] [log] [blame]
// Copyright (c) 2013, 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.
// @dart = 2.7
import 'native_testing.dart';
// Test that native objects cannot accidentally or maliciously be mistaken for
// Dart objects.
// The difference between fake_thing_test and fake_thing_2_test is the
// presence of a used declared native class.
class Thing {}
class NativeThing {}
make1() native;
make2() native;
make3() native;
void setup() {
JS('', r"""
function A() {}
A.prototype.$isThing = true;
self.make1 = function(){return new A()};
self.make2 = function(){return {$isThing: true}};
function NT() {}
NT.prototype.$isThing = true;
self.make3 = function(){return new NT()};
main() {
var a = new Thing();
var b = make1();
var c = make2();
var d = make3();
Expect.isTrue(confuse(a) is Thing);
Expect.isFalse(confuse(b) is Thing);
Expect.isFalse(confuse(c) is Thing);
Expect.isFalse(confuse(d) is Thing);