non-Strict mode Failing
Expected no error, got SyntaxError: invalid statement encountered.
Features:
- Proxy
Expected no error, got SyntaxError: invalid statement encountered.
// 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: >
A property cannot be reported as non-existent, if it exists as an own
property of the target object and the target object is not extensible.
info: |
[[HasProperty]] (P)
...
11. If booleanTrapResult is false, then
a. Let targetDesc be target.[[GetOwnProperty]](P).
b. ReturnIfAbrupt(targetDesc).
c. If targetDesc is not undefined, then
...
ii. Let extensibleTarget be IsExtensible(target).
...
iv. If extensibleTarget is false, throw a TypeError exception.
...
flags: [noStrict]
features: [Proxy]
---*/
var target = {};
var handler = {
has: function(t, prop) {
return 0;
}
};
var p = new Proxy(target, handler);
Object.defineProperty(target, 'attr', {
configurable: true,
value: 1
});
Object.preventExtensions(target);
assert.throws(TypeError, function() {
with(p) {
(attr);
}
});