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function test(obj, expected) {
var count = 0;
for (var s in obj) {
if (obj.hasOwnProperty(s)) {
count += obj[s];
}
}
assertEq(count, expected);
}
function test2(obj, expected) {
var count = 0;
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
var s = keys[i];
if (obj.hasOwnProperty(s)) {
count += obj[s];
}
}
assertEq(count, expected);
}
var arr = [];
for (var i = 0; i < 20; i++) {
var obj = {};
for (var j = 0; j < i; j++) {
if (j == i - 1) {
Object.defineProperty(obj, "x_" + i + "_" + j, {
get() {
return 1;
},
enumerable: true,
})
} else {
obj["x_" + i + "_" + j] = 1;
}
}
arr.push(obj);
}
with ({}) {}
for (var i = 0; i < 2000; i++) {
var idx = i % arr.length;
test(arr[idx], idx);
test2(arr[idx], idx);
}