ladybird/Libraries/LibJS/Tests/builtins/JSON/JSON.stringify-order.js

test("basic functionality", () => {
  let o = {
    key1: "key1",
    key2: "key2",
    key3: "key3",
  };

  Object.defineProperty(o, "defined", {
    enumerable: true,
    get() {
      o.prop = "prop";
      return "defined";
    },
  });

  o.key4 = "key4";

  o[2] = 2;
  o[0] = 0;
  o[1] = 1;

  delete o.key1;
  delete o.key3;

  o.key1 = "key1";

  expect(JSON.stringify(o)).toBe(
    '{"0":0,"1":1,"2":2,"key2":"key2","defined":"defined","key4":"key4","key1":"key1"}'
  );
});