michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  * Contributor:
michael@0:  *   Jeff Walden <jwalden+code@mit.edu>
michael@0:  */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 866700;
michael@0: var summary = "Assertion redefining non-writable length to a non-numeric value";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: var count = 0;
michael@0: 
michael@0: var convertible =
michael@0:   {
michael@0:     valueOf: function()
michael@0:     {
michael@0:       count++;
michael@0:       if (count > 2)
michael@0:         return 0;
michael@0:       throw new SyntaxError("fnord");
michael@0:     }
michael@0:   };
michael@0: 
michael@0: var arr = [];
michael@0: Object.defineProperty(arr, "length", { value: 0, writable: false });
michael@0: 
michael@0: try
michael@0: {
michael@0:   Object.defineProperty(arr, "length",
michael@0:                         {
michael@0:                           value: convertible,
michael@0:                           writable: true,
michael@0:                           configurable: true,
michael@0:                           enumerable: true
michael@0:                         });
michael@0:   throw new Error("didn't throw");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof SyntaxError, true, "expected SyntaxError, got " + e);
michael@0: }
michael@0: 
michael@0: assertEq(count, 1);
michael@0: assertEq(arr.length, 0);
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete");