blob: c03a88d414ae0246b36d72678a67cfd591bfa726 [file] [log] [blame]
// Copyright (c) 2011, 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';
// Check that native fields are not incorrectly renamed.
class A {
int myLongPropertyName;
int getValue;
int method(int z) => myLongPropertyName;
// This code is inside the setup function, so the function names are not
// accessible, but the makeA variable is global through the magic of JS scoping.
// The contents of this are of course not analyzable by the compiler.
void setup() {
JS('', r"""
function getter() {
return ++this.getValue;
function setter(x) {
this.getValue += 10;
function A(){
var a = Object.create(
{ constructor: A },
{ myLongPropertyName: { get: getter,
set: setter,
configurable: false,
writeable: false
a.getValue = 0;
return a;
makeA = function(){return new A()};
/*A*/ makeA() native;
main() {
var a = makeA();
a.myLongPropertyName = 21;
int gotten = a.myLongPropertyName;
Expect.equals(11, gotten);
var a2 = makeA();
if (a2 is A) {
// Inside this 'if' the compiler knows that a2 is an A, so it is tempted
// to access myLongPropertyName directly, using its minified name. But
// renaming of native properties can only work using getters and setters
// that access the original name.
a2.myLongPropertyName = 21;
int gotten = a2.myLongPropertyName;
Expect.equals(11, gotten);