test262/test/built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-2-46.js

31 lines
934 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.3-2-46
description: >
Object.getOwnPropertyDescriptor - TypeError exception was thrown
when 'P' is an object that both toString and valueOf wouldn't
return primitive value
---*/
var obj = { "1": 1 };
var toStringAccessed = false;
var valueOfAccessed = false;
var ownProp = {
toString: function () {
toStringAccessed = true;
return [1];
},
valueOf: function () {
valueOfAccessed = true;
return [1];
}
};
assert.throws(TypeError, function() {
Object.getOwnPropertyDescriptor(obj, ownProp);
});
assert(toStringAccessed, 'toStringAccessed !== true');
assert(valueOfAccessed, 'valueOfAccessed !== true');