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/regress/regress-57043.js | 76 ++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 js/src/tests/non262/regress/regress-57043.js (limited to 'js/src/tests/non262/regress/regress-57043.js') diff --git a/js/src/tests/non262/regress/regress-57043.js b/js/src/tests/non262/regress/regress-57043.js new file mode 100644 index 0000000000..9d7ea61688 --- /dev/null +++ b/js/src/tests/non262/regress/regress-57043.js @@ -0,0 +1,76 @@ +/* -*- 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/. */ + +/* + * Date: 03 December 2000 + * + * + * SUMMARY: This test arose from Bugzilla bug 57043: + * "Negative integers as object properties: strange behavior!" + * + * We check that object properties may be indexed by signed + * numeric literals, as in assignments like obj[-1] = 'Hello' + * + * NOTE: it should not matter whether we provide the literal with + * quotes around it or not; e.g. these should be equivalent: + * + * obj[-1] = 'Hello' + * obj['-1'] = 'Hello' + */ +//----------------------------------------------------------------------------- +var BUGNUMBER = 57043; +var summary = 'Indexing object properties by signed numerical literals -' + var statprefix = 'Adding a property to test object with an index of '; +var statsuffix = ', testing it now -'; +var propprefix = 'This is property '; +var obj = new Object(); +var status = ''; var actual = ''; var expect = ''; var value = ''; + + +// various indices to try - +var index = + [-1073741825, -1073741824, -1073741823, -5000, -507, -3, -2, -1, -0, 0, 1, 2, 3, 1073741823, 1073741824, 1073741825]; + + +//------------------------------------------------------------------------------------------------- +test(); +//------------------------------------------------------------------------------------------------- + + +function test() +{ + printBugNumber(BUGNUMBER); + printStatus (summary); + + for (var j in index) {testProperty(index[j]);} +} + + +function testProperty(i) +{ + status = getStatus(i); + + // try to assign a property using the given index - + obj[i] = value = (propprefix + i); + + // try to read the property back via the index (as number) - + expect = value; + actual = obj[i]; + reportCompare(expect, actual, status); + + // try to read the property back via the index as string - + expect = value; + actual = obj[String(i)]; + reportCompare(expect, actual, status); +} + +function positive(n) { return 1 / n > 0; } + +function getStatus(i) +{ + return statprefix + + (positive(i) ? i : "-" + -i) + + statsuffix; +} -- cgit v1.2.3