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/strict/15.4.5.1.js | 84 ++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 js/src/tests/non262/strict/15.4.5.1.js (limited to 'js/src/tests/non262/strict/15.4.5.1.js') diff --git a/js/src/tests/non262/strict/15.4.5.1.js b/js/src/tests/non262/strict/15.4.5.1.js new file mode 100644 index 0000000000..3fb04ebd61 --- /dev/null +++ b/js/src/tests/non262/strict/15.4.5.1.js @@ -0,0 +1,84 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ + +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var out = {}; + +function arr() { + return Object.defineProperty([1, 2, 3, 4], 2, {configurable: false}); +} + +function nonStrict1(out) +{ + var a = out.array = arr(); + a.length = 2; +} + +function strict1(out) +{ + "use strict"; + var a = out.array = arr(); + a.length = 2; + return a; +} + +out.array = null; +nonStrict1(out); +assertEq(deepEqual(out.array, [1, 2, 3]), true); + +out.array = null; +try +{ + strict1(out); + throw "no error"; +} +catch (e) +{ + assertEq(e instanceof TypeError, true, "expected TypeError, got " + e); +} +assertEq(deepEqual(out.array, [1, 2, 3]), true); + +// Internally, SpiderMonkey has two representations for arrays: +// fast-but-inflexible, and slow-but-flexible. Adding a non-index property +// to an array turns it into the latter. We should test on both kinds. +function addx(obj) { + obj.x = 5; + return obj; +} + +function nonStrict2(out) +{ + var a = out.array = addx(arr()); + a.length = 2; +} + +function strict2(out) +{ + "use strict"; + var a = out.array = addx(arr()); + a.length = 2; +} + +out.array = null; +nonStrict2(out); +assertEq(deepEqual(out.array, addx([1, 2, 3])), true); + +out.array = null; +try +{ + strict2(out); + throw "no error"; +} +catch (e) +{ + assertEq(e instanceof TypeError, true, "expected TypeError, got " + e); +} +assertEq(deepEqual(out.array, addx([1, 2, 3])), true); + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("Tests complete"); -- cgit v1.2.3