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 = 858381;
michael@0: var summary = "No-op array length redefinition";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: var arr;
michael@0: 
michael@0: // initializedLength == capacity == length
michael@0: // 6 == 6 == 6
michael@0: arr = Object.defineProperty([0, 1, 2, 3, 4, 5], "length", { writable: false });
michael@0: Object.defineProperty(arr, "length", { value: 6 });
michael@0: Object.defineProperty(arr, "length", { writable: false });
michael@0: Object.defineProperty(arr, "length", { configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, value: 6 });
michael@0: Object.defineProperty(arr, "length", { configurable: false, value: 6 });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 6 });
michael@0: 
michael@0: // initializedLength == capacity < length
michael@0: // 6 == 6 < 8
michael@0: arr = Object.defineProperty([0, 1, 2, 3, 4, 5], "length", { value: 8, writable: false });
michael@0: Object.defineProperty(arr, "length", { value: 8 });
michael@0: Object.defineProperty(arr, "length", { writable: false });
michael@0: Object.defineProperty(arr, "length", { configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, value: 8 });
michael@0: Object.defineProperty(arr, "length", { configurable: false, value: 8 });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 8 });
michael@0: 
michael@0: // initializedLength < capacity == length
michael@0: // 7 < 8 == 8
michael@0: arr = Object.defineProperty([0, 1, 2, 3, 4, 5, 6, /* hole */, ], "length",
michael@0:                             { value: 8, writable: false });
michael@0: Object.defineProperty(arr, "length", { value: 8 });
michael@0: Object.defineProperty(arr, "length", { writable: false });
michael@0: Object.defineProperty(arr, "length", { configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, value: 8 });
michael@0: Object.defineProperty(arr, "length", { configurable: false, value: 8 });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 8 });
michael@0: 
michael@0: // initializedLength < capacity < length
michael@0: // 3 < 6 < 8
michael@0: arr = Object.defineProperty([0, 1, 2], "length", { value: 8, writable: false });
michael@0: Object.defineProperty(arr, "length", { value: 8 });
michael@0: Object.defineProperty(arr, "length", { writable: false });
michael@0: Object.defineProperty(arr, "length", { configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0: Object.defineProperty(arr, "length", { writable: false, value: 8 });
michael@0: Object.defineProperty(arr, "length", { configurable: false, value: 8 });
michael@0: Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 8 });
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete");