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/extensions/regress-406572.js | 47 ++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 js/src/tests/non262/extensions/regress-406572.js (limited to 'js/src/tests/non262/extensions/regress-406572.js') diff --git a/js/src/tests/non262/extensions/regress-406572.js b/js/src/tests/non262/extensions/regress-406572.js new file mode 100644 index 0000000000..4911d05bc7 --- /dev/null +++ b/js/src/tests/non262/extensions/regress-406572.js @@ -0,0 +1,47 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +//----------------------------------------------------------------------------- +var BUGNUMBER = 406572; +var summary = 'JSOP_CLOSURE unconditionally replaces properties of the variable object - Browser only'; +var actual = ''; +var expect = ''; + +printBugNumber(BUGNUMBER); +printStatus (summary); + +if (typeof window != 'undefined') +{ + try { + actual = "FAIL: Unexpected exception thrown"; + + var win = window; + var windowString = String(window); + window = 1; + reportCompare(windowString, String(window), "window should be readonly"); + + if (1) + function window() { return 1; } + + // We should reach this line without throwing. Annex B means the + // block-scoped function above gets an assignment to 'window' in the + // nearest 'var' environment, but since 'window' is read-only, the + // assignment silently fails. + actual = ""; + + // The test harness might rely on window having its original value: + // restore it. + window = win; + } catch (e) { + } +} +else +{ + expect = actual = 'Test can only run in a Gecko 1.9 browser or later.'; + print(actual); +} +reportCompare(expect, actual, summary); + + -- cgit v1.2.3