test262/test/built-ins/Proxy/ownKeys/call-parameters-object-keys.js

32 lines
704 B
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: 9.5.12
description: >
[[OwnPropertyKeys]] ( )
8. Let trapResultArray be Call(trap, handler, «target»).
---*/
var _target, _handler;
var target = {
foo: 1,
bar: 2
};
var handler = {
ownKeys: function(t) {
_handler = this;
_target = t;
return Object.keys(t);
}
};
var p = new Proxy(target, handler);
var keys = Object.keys(p);
assert.sameValue(keys[0], "foo");
assert.sameValue(keys[1], "bar");
assert.sameValue(keys.length, 2);
assert.sameValue(_handler, handler);
assert.sameValue(_target, target);