From 896994413cad849f470cec7757c4bb7d1b4ffc12 Mon Sep 17 00:00:00 2001 From: Rick Waldron Date: Mon, 31 Aug 2020 15:59:07 -0400 Subject: [PATCH] Missing coverage for Object.defineProperty method. Fixes gh-2660 (#2738) --- ...th-various-values-and-configurable-true.js | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 test/built-ins/Object/defineProperty/redefine-length-with-various-values-and-configurable-true.js diff --git a/test/built-ins/Object/defineProperty/redefine-length-with-various-values-and-configurable-true.js b/test/built-ins/Object/defineProperty/redefine-length-with-various-values-and-configurable-true.js new file mode 100644 index 0000000000..647887a155 --- /dev/null +++ b/test/built-ins/Object/defineProperty/redefine-length-with-various-values-and-configurable-true.js @@ -0,0 +1,38 @@ +// 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 + }); +});