From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../Object/defineProperty/15.2.3.6-4-15.js | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js (limited to 'js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js') diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js new file mode 100644 index 0000000000..a79cef36b7 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js @@ -0,0 +1,43 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method + of O to define the property. For configurable properties, step 9c of + [[DefineOwnProperty]] permits changing the kind of a property. +es5id: 15.2.3.6-4-15 +description: > + Object.defineProperty permits changing accessor property to data + property for configurable properties +---*/ + +var o = {}; + +// define an accessor property +// dummy getter +var getter = function() { + return 1; +} +var d1 = { + get: getter, + configurable: true +}; +Object.defineProperty(o, "foo", d1); + +// changing "foo" to be a data valued property should succeed, since +// [[Configurable]] on the original property will be true. Existing +// values of [[Configurable]] and [[Enumerable]] need to be preserved +// and the rest need to be set to their default values. +var desc = { + value: 101 +}; +Object.defineProperty(o, "foo", desc); +var d2 = Object.getOwnPropertyDescriptor(o, "foo"); + +assert.sameValue(d2.value, 101, 'd2.value'); +assert.sameValue(d2.writable, false, 'd2.writable'); +assert.sameValue(d2.enumerable, false, 'd2.enumerable'); +assert.sameValue(d2.configurable, true, 'd2.configurable'); + +reportCompare(0, 0); -- cgit v1.2.3