test262/test/language/identifier-resolution/unscopables.js

23 lines
647 B
JavaScript

// Copyright 2015 Mike Pennisi. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 8.1.1.4.1
description: >
`Symbol.unscopables` is not referenced when finding bindings in global scope
info: >
1. Let envRec be the global Environment Record for which the method was
invoked.
2. Let DclRec be envRec.[[DeclarativeRecord]].
3. If DclRec.HasBinding(N) is true, return true.
4. Let ObjRec be envRec.[[ObjectRecord]].
5. Return ObjRec.HasBinding(N).
features: [Symbol.unscopables]
---*/
var x = 86;
this[Symbol.unscopables] = {
x: true
};
assert.sameValue(x, 86);