JSTests/test262/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A12.js

// Copyright 2011 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    Let O be the result of calling ToObject passing the this value as the
    argument.
es5id: 15.2.4.4_A12
description: Checking Object.prototype.valueOf invoked by the 'call' property.
---*/

assert.throws(TypeError, function() {
  Object.prototype.valueOf.call(undefined);
});