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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: 9.5.5
description: >
Throws a TypeError exception if trap result is undefined and target property
descriptor is not configurable
info: |
[[GetOwnProperty]] (P)
...
14. If trapResultObj is undefined, then
...
b. If targetDesc.[[Configurable]] is false, throw a TypeError exception.
...
features: [Proxy]
---*/
var target = {};
Object.defineProperty(target, "foo", {
configurable: false,
enumerable: false,
value: 1
});
var p = new Proxy(target, {
getOwnPropertyDescriptor: function(t, prop) {
return;
}
});
assert.throws(TypeError, function() {
Object.getOwnPropertyDescriptor(p, "foo");
});
reportCompare(0, 0);