text: /// Copyright (c) 2009 Microsoft Corporation 
  /// 
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  /// that the following conditions are met: 
  ///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
  ///      the following disclaimer. 
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  ///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
  ///    * Neither the name of Microsoft nor the names of its contributors may be used to
  ///      endorse or promote products derived from this software without specific prior written permission.
  /// 
  /// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
  /// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  /// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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  /// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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  /// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  ES5Harness.registerTest({
      id: "15.2.3.6-4-618",
  
      path: "TestCases/chapter15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-618.js",
  
      description: "ES5 Attributes - all attributes in Array.prototype.filter are correct",
  
      test: function testcase() {
          var desc = Object.getOwnPropertyDescriptor(Array.prototype, "filter");
  
          var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true);
  
          var temp = Array.prototype.filter;
  
          try {
              Array.prototype.filter = "2010";
  
              var isWritable = (Array.prototype.filter === "2010");
  
              var isEnumerable = false;
  
              for (var prop in Array.prototype) {
                  if (prop === "filter") {
                      isEnumerable = true;
                  }
              }
  
              delete Array.prototype.filter;
  
              var isConfigurable = !Array.prototype.hasOwnProperty("filter");
  
              return propertyAreCorrect && isWritable && !isEnumerable && isConfigurable;
          } finally {
              Object.defineProperty(Array.prototype, "filter", {
                  value: temp,
                  writable: true,
                  enumerable: false,
                  configurable: true
              });
          }
      },
  
      precondition: function prereq() {
          return fnExists(Object.defineProperty) && fnExists(Object.getOwnPropertyDescriptor) && fnExists(Array.prototype.filter);
      }
  });
  
  