{"ScriptPreparationCode":"window.arr = [];\r\n\r\nfor (var i = 0, len = 100; i \u003C len; i\u002B\u002B) {\r\n window.arr.push(\u0027key\u0027 \u002B i);\r\n}","TestCases":[{"Name":"_.isEmpty","Code":"_.isEmpty(window.arr);","IsDeferred":false},{"Name":"arr.length === 0","Code":"window.arr.length === 0;","IsDeferred":false},{"Name":"arr.length","Code":"!window.arr.length;","IsDeferred":false}]}