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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-proxies --harmony-reflect
"use strict";
var global = this;
(function TestGlobalReceiver() {
class A {
s(value) {
super.bla = value;
}
}
var a = new A();
a.s(9);
assertEquals(undefined, global.bla);
assertEquals(9, a.bla);
a = new A();
a.s.call(global, 10);
assertEquals(10, global.bla);
assertEquals(undefined, a.bla);
})();
(function TestProxyProto() {
var calls = 0;
var handler = {
set(t, p, v, r) {
calls++;
return Reflect.set(t, p, v, r);
},
getPropertyDescriptor(target, name) {
calls += 10;
return undefined;
}
};
var target = {};
var proxy = new Proxy(target, handler);
var object = {
__proto__: proxy,
setX(v) {
super.x = v;
},
setSymbol(sym, v) {
super[sym] = v;
}
};
object.setX(1);
assertEquals(1, object.x);
assertEquals(1, Object.getOwnPropertyDescriptor(object, 'x').value);
assertEquals(1, calls);
calls = 0;
object.setX.call(proxy, 2);
assertEquals(2, target.x);
assertEquals(1, Object.getOwnPropertyDescriptor(object, 'x').value);
assertEquals(1, calls);
var sym = Symbol();
calls = 0;
object.setSymbol.call(global, sym, 2);
assertEquals(2, Object.getOwnPropertyDescriptor(global, sym).value);
// We currently do not invoke proxy traps for symbols
assertEquals(1, calls);
});
(function TestProxyReceiver() {
var object = {
setY(v) {
super.y = v;
}
};
var calls = 0;
var target = {target:1};
var handler = {
getOwnPropertyDescriptor(t, name) {
calls++;
},
defineProperty(t, name, desc) {
calls += 10;
t[name] = desc.value;
return true;
},
set(target, name, value) {
assertUnreachable();
}
};
var proxy = new Proxy(target, handler);
assertEquals(undefined, object.y);
object.setY(10);
assertEquals(10, object.y);
// Change the receiver to the proxy, but the set is called on the global.
object.setY.call(proxy, 3);
assertEquals(3, target.y);
assertEquals(11, calls);
})();
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