js/src/tests/test262/built-ins/String/prototype/substring/S15.5.4.15_A1_T8.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: String.prototype.substring (start, end)
es5id: 15.5.4.15_A1_T8
description: >
    Arguments are negative number and void 0, and instance is
    String(object), object have overrided toString function
---*/

var __obj = {
  toString: function() {}
};

//////////////////////////////////////////////////////////////////////////////
//CHECK#1
if (String(__obj).substring(-4, void 0) !== "undefined") {
  throw new Test262Error('#1: __obj = {toString:function(){}}; String(__obj).substring(-4,void 0) === "undefined". Actual: ' + String(__obj).substring(-4, void 0));
}
//
//////////////////////////////////////////////////////////////////////////////

reportCompare(0, 0);