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