text: // Copyright (c) 2012 Ecma International.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: sec-array.prototype.map
  es5id: 15.4.4.19-3-9
  description: >
      Array.prototype.map - value of 'length' is a number (value is
      -Infinity)
  ---*/
  
          function callbackfn(val, idx, obj) {
              return val < 10;
          }
  
          var obj = { 0: 9, length: -Infinity };
  
          var newArr = Array.prototype.map.call(obj, callbackfn);
  
  assert.sameValue(newArr.length, 0, 'newArr.length');
  