blob: e37adbe9689c3cb7d42bf925949f55301161dd25 [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.
import "native_testing.dart";
// Verify that native fields on classes are not renamed by the minifier.
@Native("A")
class A {
int myLongPropertyName;
int getValue;
int method(int z) => myLongPropertyName;
}
void setup() {
JS('', r"""
(function(){
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()};
self.nativeConstructor(A);
})()""");
}
A makeA() native;
main() {
nativeTesting();
setup();
var a = makeA();
a.myLongPropertyName = 21;
int gotten = a.myLongPropertyName;
Expect.equals(11, gotten);
// Force interceptor dispatch.
confuse(a).myLongPropertyName = 99;
gotten = confuse(a).myLongPropertyName;
Expect.equals(22, 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);
}
}