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 --- .../non262/Function/arguments-caller-callee.js | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 js/src/tests/non262/Function/arguments-caller-callee.js (limited to 'js/src/tests/non262/Function/arguments-caller-callee.js') diff --git a/js/src/tests/non262/Function/arguments-caller-callee.js b/js/src/tests/non262/Function/arguments-caller-callee.js new file mode 100644 index 0000000000..57efd9eb91 --- /dev/null +++ b/js/src/tests/non262/Function/arguments-caller-callee.js @@ -0,0 +1,64 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var gTestfile = 'arguments-caller-callee.js'; +var BUGNUMBER = 514563; +var summary = "arguments.caller and arguments.callee are poison pills in ES5, " + + "later changed in ES2017 to only poison pill arguments.callee."; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +// behavior + +function expectTypeError(fun) +{ + try + { + fun(); + throw new Error("didn't throw"); + } + catch (e) + { + assertEq(e instanceof TypeError, true, + "expected TypeError calling function" + + ("name" in fun ? " " + fun.name : "") + ", instead got: " + e); + } +} + +function bar() { "use strict"; return arguments; } +assertEq(bar().caller, undefined); // No error when accessing arguments.caller in ES2017+ +expectTypeError(function barCallee() { bar().callee; }); + +function baz() { return arguments; } +assertEq(baz().callee, baz); + + +// accessor identity + +function strictMode() { "use strict"; return arguments; } +var canonicalTTE = Object.getOwnPropertyDescriptor(strictMode(), "callee").get; + +var args = strictMode(); + +var argsCaller = Object.getOwnPropertyDescriptor(args, "caller"); +assertEq(argsCaller, undefined); + +var argsCallee = Object.getOwnPropertyDescriptor(args, "callee"); +assertEq("get" in argsCallee, true); +assertEq("set" in argsCallee, true); +assertEq(argsCallee.get, canonicalTTE); +assertEq(argsCallee.set, canonicalTTE); + + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("All tests passed!"); -- cgit v1.2.3