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Missing coverage for Object.defineProperty method. Fixes gh-2660 (#2738)

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Rick Waldron 2020-08-31 15:59:07 -04:00 committed by GitHub
parent 9e75c60028
commit 896994413c
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38
test/built-ins/Object/defineProperty/redefine-length-with-various-values-and-configurable-true.js Normal file
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// Copyright (c) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array-exotic-objects-defineownproperty-p-desc
description: >
Redefining "length" to `configurable: true` throws a TypeError exception
info: |
ArraySetLength ( A, Desc )
ValidateAndApplyPropertyDescriptor ( O, P, extensible, Desc, current )
---*/
let a = [1];
assert.throws(TypeError, () => {
Object.defineProperty(a, "length", {
configurable: true
});
});
assert.throws(TypeError, () => {
Object.defineProperty(a, "length", {
value: 1,
configurable: true
});
});
assert.throws(TypeError, () => {
Object.defineProperty(a, "length", {
value: 2,
configurable: true
});
});
assert.throws(TypeError, () => {
Object.defineProperty(a, "length", {
value: 3,
configurable: true
});
});