michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: var errors = ["Error", "EvalError", "RangeError", "ReferenceError",
michael@0:               "SyntaxError", "TypeError", "URIError"];
michael@0: 
michael@0: for (var i = 0; i < errors.length; i++) {
michael@0:   var error = this[errors[i]];
michael@0: 
michael@0:   var desc = Object.getOwnPropertyDescriptor(error.prototype, "name");
michael@0:   assertEq(!!desc, true, errors[i] + ".prototype.name should exist");
michael@0:   assertEq((desc || {}).enumerable, false, errors[i] + ".prototype.name should not be enumerable");
michael@0: 
michael@0:   desc = Object.getOwnPropertyDescriptor(error.prototype, "message");
michael@0:   assertEq(!!desc, true, errors[i] + ".prototype.message should exist");
michael@0:   assertEq((desc || {}).enumerable, false, errors[i] + ".prototype.message should not be enumerable");
michael@0: 
michael@0:   var instance = new error;
michael@0:   desc = Object.getOwnPropertyDescriptor(instance, "message");
michael@0:   assertEq(!!desc, false, "new " + errors[i] + ".message should not exist");
michael@0: 
michael@0:   instance = new error("a message");
michael@0:   desc = Object.getOwnPropertyDescriptor(instance, "message");
michael@0:   assertEq(!!desc, true, "new " + errors[i] + "(...).message should exist");
michael@0:   assertEq((desc || {}).enumerable, false, "new " + errors[i] + "(...).message should not be enumerable");
michael@0: }
michael@0: 
michael@0: reportCompare(true, true);