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 --- .../tests/non262/misc/global-numeric-properties.js | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 js/src/tests/non262/misc/global-numeric-properties.js (limited to 'js/src/tests/non262/misc/global-numeric-properties.js') diff --git a/js/src/tests/non262/misc/global-numeric-properties.js b/js/src/tests/non262/misc/global-numeric-properties.js new file mode 100644 index 0000000000..352c0d3b75 --- /dev/null +++ b/js/src/tests/non262/misc/global-numeric-properties.js @@ -0,0 +1,59 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +//----------------------------------------------------------------------------- +var BUGNUMBER = 537863; +var summary = + 'undefined, Infinity, and NaN global properties should not be writable'; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +var desc, old, error; +var global = this; + +var names = ["NaN", "Infinity", "undefined"]; + +for (var i = 0; i < names.length; i++) +{ + var name = names[i]; + desc = Object.getOwnPropertyDescriptor(global, name); + assertEq(desc !== undefined, true, name + " should be present"); + assertEq(desc.enumerable, false, name + " should not be enumerable"); + assertEq(desc.configurable, false, name + " should not be configurable"); + assertEq(desc.writable, false, name + " should not be writable"); + + old = global[name]; + global[name] = 17; + assertEq(global[name], old, name + " changed on setting?"); + + error = "before"; + try + { + throw new TypeError("SpiderMonkey doesn't currently implement " + + "strict-mode throwing when setting a readonly " + + "property, not running this bit of test for now; " + + "see bug 537873"); + + (function() { "use strict"; global[name] = 42; error = "didn't throw"; })(); + } + catch (e) + { + if (e instanceof TypeError) + error = "typeerror"; + else + error = "bad exception: " + e; + } + assertEq(error, "typeerror", "wrong strict mode error setting " + name); +} + +/******************************************************************************/ + +reportCompare(true, true); + +print("All tests passed!"); -- cgit v1.2.3