michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: var BUGNUMBER = 805121;
michael@0: var summary = "Be more careful with string math to avoid wrong results";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: function puff(x, n)
michael@0: {
michael@0:   while(x.length < n)
michael@0:     x += x;
michael@0:   return x.substring(0, n);
michael@0: }
michael@0: 
michael@0: var x = puff("1", 1 << 20);
michael@0: var rep = puff("$1", 1 << 16);
michael@0: 
michael@0: try
michael@0: {
michael@0:   var y = x.replace(/(.+)/g, rep);
michael@0:   assertEq(y.length, Math.pow(2, 36));
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   // OOM also acceptable
michael@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");