{"ScriptPreparationCode":"var map = new Map();\r\nvar arr = [];\r\nvar obj = {};\r\n\r\nvar randomU32 = function() {\r\n\treturn (Math.random() * (1 \u003C\u003C 31) \u003E\u003E\u003E 0).toString();\r\n}","TestCases":[{"Name":"m","Code":"map.set(randomU32(), true);","IsDeferred":false},{"Name":"a","Code":"arr[randomU32()] = true;","IsDeferred":false},{"Name":"o","Code":"obj[randomU32()] = true;","IsDeferred":false}]}