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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-integer-indexed-exotic-objects-defineownproperty-p-desc
description: >
Can't define a new non-numerical key on a non-extensible instance
info: |
9.4.5.3 [[DefineOwnProperty]] ( P, Desc)
...
3. If Type(P) is String, then
a. Let numericIndex be ! CanonicalNumericIndexString(P).
b. If numericIndex is not undefined, then
...
4. Return OrdinaryDefineOwnProperty(O, P, Desc).
...
includes: [testTypedArray.js]
features: [Reflect, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA([42, 43]);
Object.preventExtensions(sample);
assert.sameValue(
Reflect.defineProperty(sample, "foo", {value:42}),
false,
"return false on a non-extensible object - data descriptor"
);
assert.sameValue(Object.getOwnPropertyDescriptor(sample, "foo"), undefined);
assert.sameValue(
Reflect.defineProperty(sample, "bar", {
get: function() {},
set: function() {},
enumerable: false,
configurable: true
}),
false,
"return false on a non-extensible object - accessor descriptor"
);
assert.sameValue(Object.getOwnPropertyDescriptor(sample, "bar"), undefined);
});
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