michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: 
michael@0: var gTestfile = 'stringify-replacer-array-hijinks.js';
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 648471;
michael@0: var summary =
michael@0:   "Better/more correct handling for replacer arrays with getter array index " +
michael@0:   "properties";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: var replacer = [0, 1, 2, 3];
michael@0: Object.prototype[3] = 3;
michael@0: Object.defineProperty(replacer, 1, {
michael@0:   get: function()
michael@0:   {
michael@0:     Object.defineProperty(replacer, 4, { value: 4 });
michael@0:     delete replacer[2];
michael@0:     delete replacer[3];
michael@0:     replacer[5] = 5;
michael@0:     return 1;
michael@0:   }
michael@0: });
michael@0: 
michael@0: var s =
michael@0:   JSON.stringify({0: { 1: { 3: { 4: { 5: { 2: "omitted" } } } } } }, replacer);
michael@0: 
michael@0: // The replacer array's length is as seen on first query, so property names are
michael@0: // accumulated for indexes i ∈ {0, 1, 2, 3}, but index 1 deletes 2 and 3, so 2
michael@0: // isn't seen but 3 is seen as Object.prototype[3].
michael@0: assertEq('{"0":{"1":{"3":{"3":3}},"3":3},"3":3}', s);
michael@0: 
michael@0: 
michael@0: var replacer = [0, 1, 2, 3];
michael@0: Object.defineProperty(replacer, 0, {
michael@0:   get: function()
michael@0:   {
michael@0:     replacer.length = 0;
michael@0:     return {};
michael@0:   }
michael@0: });
michael@0: 
michael@0: // The replacer.length truncation means only properties on the prototype chain
michael@0: // shine through, but it doesn't affect the original bounds of the iteration
michael@0: // used to determine property names which will be included in the final string.
michael@0: assertEq(JSON.stringify({ 0: 0, 1: 1, 2: 2, 3: 3 }, replacer),
michael@0:          '{"3":3}');
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete");