iterator-indices-8.js

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// Tests megamorphic stores to fixed and dynamics slots, and dense elements

function test(obj) {

  let index = 0;

  for (var s in obj) {

    obj[s] = index;

    index++;

  index = 0;

  for (var s in obj) {

    assertEq(obj[s], index);

    index++;

function test2(obj) {

  let index = 0;

  var keys = Object.keys(obj);

  for (var i = 0; i < keys.length; i++) {

    var s = keys[i];

    obj[s] = index;

    index++;

  index = 0;

  var keys = Object.keys(obj);

  for (var i = 0; i < keys.length; i++) {

    var s = keys[i];

    assertEq(obj[s], index);

    index++;

var arr = [];

var arr2 = [];

var elem_obj = [];

var elem_obj2 = [];

for (var i = 0; i < 20; i++) {

  var obj = {};

  var obj2 = {};

  for (var j = 0; j < i; j++) {

    obj["x_" + i + "_" + j] = 1;

    obj2["x_" + i + "_" + j] = 1;

  arr.push(obj);

  arr2.push(obj2);

  elem_obj.push(1);

  elem_obj2.push(1);

arr.push(elem_obj);

arr2.push(elem_obj2);

with ({}) {}

for (var i = 0; i < 2000; i++) {

  var idx = i % arr.length;

  test(arr[idx]);

  test2(arr2[idx]);