test262/test/built-ins/Proxy/has/call-object-create.js

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JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.7
description: >
`.. in Object.create(proxy)` triggers trap.call(handler, target, P);
info: >
[[HasProperty]] (P)
...
2. Let handler be the value of the [[ProxyHandler]] internal slot of O.
...
5. Let target be the value of the [[ProxyTarget]] internal slot of O.
6. Let trap be GetMethod(handler, "has").
...
9. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, P»)).
...
---*/
var _handler, _target, _prop;
var target = {};
var handler = {
has: function(t, prop) {
_handler = this;
_target = t;
_prop = prop;
return false;
}
};
var p = new Proxy(target, handler);
"attr" in Object.create(p);
assert.sameValue(_handler, handler, "handler is context");
assert.sameValue(_target, target, "target is the first parameter");
assert.sameValue(_prop, "attr", "given prop is the second paramter");