blob: 93fce23a1fe96847716bf03b0166b0cfa39ef859 [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.
// A native method prevents other members from having that name, including
// fields. However, native fields keep their name. The implication: a getter
// for the field must be based on the field's name, not the field's jsname.
import 'native_testing.dart';
abstract class I {
int? key;
}
@Native("A")
class A implements I {
// jsname is 'key'
void set key(int? unused) native;
int? get key native;
int? getKey() => key;
}
class B implements I {
int? key; // jsname is not 'key'
B([this.key = 222]);
int? getKey() => key;
}
@Native("X")
class X {
@JSName('key')
int native_key_method() native;
// This should cause B.key to be renamed, but not A.key.
@JSName('key')
int key() native;
}
A makeA() native;
X makeX() native;
void setup() {
JS('', r"""
(function(){
// This code is inside 'setup' and so not accessible from the global scope.
function A(){ this.key = 111; }
A.prototype.getKey = function(){return this.key;};
function X(){}
X.prototype.key = function(){return 666;};
makeA = function(){return new A()};
makeX = function(){return new X()};
self.nativeConstructor(A);
self.nativeConstructor(X);
})()""");
}
testDynamic() {
var a = confuse(makeA());
var b = confuse(new B());
var x = confuse(makeX());
Expect.equals(111, a.key);
Expect.equals(222, b.key);
Expect.equals(111, a.getKey());
Expect.equals(222, b.getKey());
Expect.equals(666, x.native_key_method());
Expect.equals(666, x.key());
var fn = x.key;
Expect.equals(666, fn());
}
testPartial() {
var things = [makeA(), new B(), makeX()];
I a = things[0] as I;
I b = things[1] as I;
// All subtypes of I have a field 'key'. The compiler might be tempted to
// generate a direct property access, but that will fail since one of the
// fields is renamed. A getter call is required here.
Expect.equals(111, a.key);
Expect.equals(222, b.key);
}
testTyped() {
A a = makeA();
B b = new B();
X x = makeX();
Expect.equals(666, x.native_key_method());
Expect.equals(111, a.key);
Expect.equals(222, b.key);
Expect.equals(111, a.getKey());
Expect.equals(222, b.getKey());
}
main() {
nativeTesting();
setup();
testTyped();
testPartial();
testDynamic();
}