From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/tests/non262/Symbol/property-inheritance.js | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 js/src/tests/non262/Symbol/property-inheritance.js (limited to 'js/src/tests/non262/Symbol/property-inheritance.js') diff --git a/js/src/tests/non262/Symbol/property-inheritance.js b/js/src/tests/non262/Symbol/property-inheritance.js new file mode 100644 index 0000000000..2fe6189689 --- /dev/null +++ b/js/src/tests/non262/Symbol/property-inheritance.js @@ -0,0 +1,50 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ */ + +var sym = Symbol.for("hello"); +function F() {} +var f = new F(); + +// inherited data property +F.prototype[sym] = "world"; +assertEq(sym in f, true); +assertEq(f.hasOwnProperty(sym), false); +assertEq(f[sym], "world"); + +// shadowing assignment +f[sym] = "kitty"; +assertEq(f[sym], "kitty"); +assertEq(F.prototype[sym], "world"); + +// deletion, revealing previously shadowed property +assertEq(delete f[sym], true); +assertEq(f.hasOwnProperty(sym), false); +assertEq(f[sym], "world"); + +// inherited accessor property +var value = undefined; +Object.defineProperty(F.prototype, sym, { + configurable: true, + get: function () { return 23; }, + set: function (v) { value = v; } +}); +assertEq(sym in f, true); +assertEq(f.hasOwnProperty(sym), false); +assertEq(f[sym], 23); +f[sym] = "gravity"; +assertEq(value, "gravity"); + +// inherited accessor property with no setter +Object.defineProperty(F.prototype, sym, { + set: undefined +}); +assertThrowsInstanceOf(function () { "use strict"; f[sym] = 0; }, TypeError); + +// deeply inherited accessor property +var g = Object.create(f); +for (var i = 0; i < 100; i++) + g = Object.create(g); +assertEq(g[sym], 23); + +if (typeof reportCompare === "function") + reportCompare(0, 0); -- cgit v1.2.3