test262/test/built-ins/Boolean/S15.6.2.1_A4.js

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// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: |
The [[Class]] property of the newly constructed object
is set to "Boolean"
2017-07-27 18:17:54 +02:00
esid: sec-boolean-constructor
description: For testing toString function is used
---*/
delete Boolean.prototype.toString;
var obj = new Boolean();
assert.sameValue(obj.toString(), "[object Boolean]", 'obj.toString() must return "[object Boolean]"');