michael@0: var magic = 8;
michael@0: 
michael@0: var obj = {};
michael@0: for (var i = 1; i <= magic; ++i)
michael@0:     obj[i] = "a";
michael@0: 
michael@0: function func() {
michael@0:     var i = 1;
michael@0:     while (i in obj) {
michael@0:         ++i;
michael@0:     }
michael@0:     return i - 1;
michael@0: }
michael@0: assertEq(func(), magic);
michael@0: assertEq(func(), magic);
michael@0: assertEq(func(), magic);