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 --- js/src/tests/non262/Symbol/property-nonwritable.js | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 js/src/tests/non262/Symbol/property-nonwritable.js (limited to 'js/src/tests/non262/Symbol/property-nonwritable.js') diff --git a/js/src/tests/non262/Symbol/property-nonwritable.js b/js/src/tests/non262/Symbol/property-nonwritable.js new file mode 100644 index 0000000000..3e58383c78 --- /dev/null +++ b/js/src/tests/non262/Symbol/property-nonwritable.js @@ -0,0 +1,31 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ */ + +var sym = Symbol.for("moon"); +function checkNotWritable(obj) { + // In sloppy mode, assigning to a nonwritable property silently fails. + obj[sym] = "portals"; + assertEq(obj[sym], "cheese"); + + // In strict mode code, it throws. + assertThrowsInstanceOf(function () { "use strict"; obj[sym] = "robots"; }, TypeError); + assertEq(obj[sym], "cheese"); +} + +var x = {}; +Object.defineProperty(x, sym, { + configurable: true, + enumerable: true, + value: "cheese", + writable: false +}); + +checkNotWritable(x); + +// Assignment can't shadow inherited nonwritable properties either. +var y = Object.create(x); +checkNotWritable(y); +checkNotWritable(Object.create(y)); + +if (typeof reportCompare === "function") + reportCompare(0, 0); -- cgit v1.2.3