/* * Any copyright is dedicated to the Public Domain. * http://creativecommons.org/licenses/publicdomain/ */ var gTestfile = 'arguments-property-attributes.js'; var BUGNUMBER = 516255; var summary = "Attributes for properties of arguments objects"; print(BUGNUMBER + ": " + summary); /************** * BEGIN TEST * **************/ // normal function args() { return arguments; } var a = args(0, 1); var argProps = Object.getOwnPropertyNames(a).sort(); assertEq(argProps.indexOf("callee") >= 0, true); assertEq(argProps.indexOf("0") >= 0, true); assertEq(argProps.indexOf("1") >= 0, true); assertEq(argProps.indexOf("length") >= 0, true); var calleeDesc = Object.getOwnPropertyDescriptor(a, "callee"); assertEq(calleeDesc.value, args); assertEq(calleeDesc.writable, true); assertEq(calleeDesc.enumerable, false); assertEq(calleeDesc.configurable, true); var zeroDesc = Object.getOwnPropertyDescriptor(a, "0"); assertEq(zeroDesc.value, 0); assertEq(zeroDesc.writable, true); assertEq(zeroDesc.enumerable, true); assertEq(zeroDesc.configurable, true); var oneDesc = Object.getOwnPropertyDescriptor(a, "1"); assertEq(oneDesc.value, 1); assertEq(oneDesc.writable, true); assertEq(oneDesc.enumerable, true); assertEq(oneDesc.configurable, true); var lengthDesc = Object.getOwnPropertyDescriptor(a, "length"); assertEq(lengthDesc.value, 2); assertEq(lengthDesc.writable, true); assertEq(lengthDesc.enumerable, false); assertEq(lengthDesc.configurable, true); // strict function strictArgs() { "use strict"; return arguments; } var sa = strictArgs(0, 1); var strictArgProps = Object.getOwnPropertyNames(sa).sort(); assertEq(strictArgProps.indexOf("callee") >= 0, true); assertEq(strictArgProps.indexOf("caller") >= 0, false); assertEq(strictArgProps.indexOf("0") >= 0, true); assertEq(strictArgProps.indexOf("1") >= 0, true); assertEq(strictArgProps.indexOf("length") >= 0, true); var strictCalleeDesc = Object.getOwnPropertyDescriptor(sa, "callee"); assertEq(typeof strictCalleeDesc.get, "function"); assertEq(typeof strictCalleeDesc.set, "function"); assertEq(strictCalleeDesc.get, strictCalleeDesc.set); assertEq(strictCalleeDesc.enumerable, false); assertEq(strictCalleeDesc.configurable, false); var strictCallerDesc = Object.getOwnPropertyDescriptor(sa, "caller"); assertEq(strictCallerDesc, undefined); var strictZeroDesc = Object.getOwnPropertyDescriptor(sa, "0"); assertEq(strictZeroDesc.value, 0); assertEq(strictZeroDesc.writable, true); assertEq(strictZeroDesc.enumerable, true); assertEq(strictZeroDesc.configurable, true); var strictOneDesc = Object.getOwnPropertyDescriptor(sa, "1"); assertEq(strictOneDesc.value, 1); assertEq(strictOneDesc.writable, true); assertEq(strictOneDesc.enumerable, true); assertEq(strictOneDesc.configurable, true); var strictLengthDesc = Object.getOwnPropertyDescriptor(sa, "length"); assertEq(strictLengthDesc.value, 2); assertEq(strictLengthDesc.writable, true); assertEq(strictLengthDesc.enumerable, false); assertEq(strictLengthDesc.configurable, true); /******************************************************************************/ if (typeof reportCompare === "function") reportCompare(true, true); print("All tests passed!");