{"ScriptPreparationCode":"let testObj = {};\r\nfor (let i = 0; i \u003C 1000; i\u002B\u002B) {\r\n testObj[i] = i;\r\n}\r\n\r\nvar testImmutable = Immutable.fromJS(testObj);","TestCases":[{"Name":"Immutable toJS","Code":"let result = testImmutable.toJS();\r\nfor (let i = 0; i \u003C 1000; i\u002B\u002B) {\r\n result[i] *= 2;\r\n}\r\nresult = Immutable.fromJS(result);","IsDeferred":false},{"Name":"Immutable set","Code":"let result = testImmutable;\r\nfor (let i = 0; i \u003C 1000; i\u002B\u002B) {\r\n result = result.set(i, i*2);\r\n}","IsDeferred":false}]}