/* * 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"; 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; } expectTypeError(function barCaller() { bar().caller; }); 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(), "caller").get; var args = strictMode(); var argsCaller = Object.getOwnPropertyDescriptor(args, "caller"); assertEq("get" in argsCaller, true); assertEq("set" in argsCaller, true); assertEq(argsCaller.get, canonicalTTE); assertEq(argsCaller.set, canonicalTTE); 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!");