blob: 0a880f39ca6b9c618dbdd11351e9663224f23951 [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";
// Test to see if resolving a hidden native class's method interferes with
// subsequent resolving the subclass's method. This might happen if the
// superclass caches the method in the prototype, so shadowing the dispatcher
// stored on Object.prototype.
@Native("A")
class A {
foo() => 'A.foo ${bar()}';
bar() => 'A.bar';
}
@Native("B")
class B extends A {
bar() => 'B.bar';
}
@Native("C")
class C extends B {
foo() => 'C.foo; super.foo = ${super.foo()}';
bar() => 'C.bar';
}
@Native("D")
class D extends C {
bar() => 'D.bar';
}
makeA() native ;
makeB() native ;
makeC() native ;
makeD() native ;
void setup() native """
// This code is all inside 'setup' and so not accesible from the global scope.
function inherits(child, parent) {
if (child.prototype.__proto__) {
child.prototype.__proto__ = parent.prototype;
} else {
function tmp() {};
tmp.prototype = parent.prototype;
child.prototype = new tmp();
child.prototype.constructor = child;
}
}
function A(){}
function B(){}
inherits(B, A);
function C(){}
inherits(C, B);
function D(){}
inherits(D, C);
makeA = function(){return new A};
makeB = function(){return new B};
makeC = function(){return new C};
makeD = function(){return new D};
self.nativeConstructor(A);
self.nativeConstructor(B);
self.nativeConstructor(C);
self.nativeConstructor(D);
""";
main() {
nativeTesting();
setup();
var a = makeA();
var b = makeB();
var c = makeC();
var d = makeD();
Expect.equals('A.foo A.bar', a.foo());
Expect.equals('A.foo B.bar', b.foo());
Expect.equals('C.foo; super.foo = A.foo C.bar', c.foo());
Expect.equals('C.foo; super.foo = A.foo D.bar', d.foo());
}