1// Copyright 2010 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
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8//     * Redistributions in binary form must reproduce the above
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11//       with the distribution.
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13//       contributors may be used to endorse or promote products derived
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15//
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17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Check that when valueOf for a String object is overwritten it is called and
29// the result used when that object is added with a string.
30
31// See: http://code.google.com/p/v8/issues/detail?id=760
32
33String.prototype.valueOf = function() { return 'y' };
34
35function test() {
36  var o = Object('x');
37  assertEquals('y', o + '');
38  assertEquals('y', '' + o);
39}
40
41for (var i = 0; i < 10; i++) {
42  var o = Object('x');
43  assertEquals('y', o + '');
44  assertEquals('y', '' + o);
45}
46
47for (var i = 0; i < 10; i++) {
48  test()
49}
50