mirror of https://github.com/tc39/test262.git
33 lines
735 B
JavaScript
33 lines
735 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: 9.5.4
|
|
description: >
|
|
Trap is called with handler on its context and target as the first
|
|
parameter.
|
|
info: |
|
|
[[PreventExtensions]] ( )
|
|
|
|
...
|
|
8. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target»)).
|
|
...
|
|
features: [Proxy]
|
|
---*/
|
|
|
|
var _target, _handler;
|
|
var target = {};
|
|
var handler = {
|
|
preventExtensions: function(t) {
|
|
_handler = this;
|
|
_target = t;
|
|
|
|
return Object.preventExtensions(target);
|
|
}
|
|
};
|
|
var p = new Proxy(target, handler);
|
|
|
|
Object.preventExtensions(p);
|
|
|
|
assert.sameValue(_handler, handler);
|
|
assert.sameValue(_target, target);
|