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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.10
description: >
[[Delete]] (P)
A property cannot be reported as deleted, if it exists as a non-configurable
own property of the target object.
info: |
14. If targetDesc.[[Configurable]] is false, throw a TypeError exception.
features: [Proxy]
---*/
var target = {};
var p = new Proxy(target, {
deleteProperty: function() {
return true;
}
});
Object.defineProperty(target, "attr", {
configurable: false,
value: 1
});
assert.throws(TypeError, function() {
delete p.attr;
});
reportCompare(0, 0);