{"ScriptPreparationCode":"var map = new Map();\r\nmap.set(\u0027x\u0027, 1);\r\nmap.set(\u0027y\u0027, 2);","TestCases":[{"Name":"Negation","Code":"const z = map.get(\u0027z\u0027);\r\nif (!z) {\r\n map.set(\u0027z\u0027, 3);\r\n}","IsDeferred":false},{"Name":"Strict undefined","Code":"const z = map.get(\u0027z\u0027);\r\nif (z === undefined) {\r\n map.set(\u0027z\u0027, 3);\r\n}","IsDeferred":false},{"Name":"Strict void 0","Code":"const z = map.get(\u0027z\u0027);\r\nif (z === void 0) {\r\n map.set(\u0027z\u0027, 3);\r\n}","IsDeferred":false}]}