test262/test/built-ins/NaN/S15.1.1.1_A3_T1.js

22 lines
476 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: The NaN is DontDelete
es5id: 15.1.1.2_A3_T1
description: Use delete
includes: [propertyHelper.js]
---*/
// CHECK#1
verifyNotConfigurable(this, "NaN");
try {
if (delete this.NaN !== false) {
$ERROR('#1: delete NaN === false.');
}
} catch (e) {
if (e instanceof Test262Error) throw e;
assert(e instanceof TypeError);
}