text: /// Copyright (c) 2012 Ecma International.  All rights reserved. 
  /// Ecma International makes this code available under the terms and conditions set
  /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
  /// "Use Terms").   Any redistribution of this code must retain the above 
  /// copyright and this notice and otherwise comply with the Use Terms.
  /**
   * Refer 11.1.5; 
   * The production
   * PropertyNameAndValueList : PropertyNameAndValueList , PropertyAssignment 
   * 5.Call the [[DefineOwnProperty]] internal method of obj with arguments propId.name, propId.descriptor, and false.
   *
   * @path ch11/11.1/11.1.5/11.1.5_4-5-1.js
   * @description Object initialization using PropertyNameAndValueList (PropertyNameAndValueList , PropertyAssignment) when property (read-only) exists in Object.prototype (Step 5)
   */
  
  
  function testcase() {
          try {
              Object.defineProperty(Object.prototype, "prop2", {
                  value: 100,
                  writable: false,
                  configurable: true
              });
  
              var obj = { prop1: 101, prop2: 12 };
  
              return obj.hasOwnProperty("prop2");
          } finally {
              delete Object.prototype.prop2;
          }
      }
  runTestCase(testcase);
  