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Edit File: regress-760-1.js

// Copyright 2010 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// Check that when valueOf for a String object is overwritten it is called and
// the result used when that object is added with a string.

// See: http://code.google.com/p/v8/issues/detail?id=760

String.prototype.valueOf = function() { return 'y' };

function test() {
  var o = Object('x');
  assertEquals('y', o + '');
  assertEquals('y', '' + o);
}

for (var i = 0; i < 10; i++) {
  var o = Object('x');
  assertEquals('y', o + '');
  assertEquals('y', '' + o);
}

for (var i = 0; i < 10; i++) {
  test()
}

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