| Index: test/filterClasses.js | 
| =================================================================== | 
| --- a/test/filterClasses.js | 
| +++ b/test/filterClasses.js | 
| @@ -178,23 +178,23 @@ | 
| test.equal(result.sort().join("\n"), expected.sort().join("\n"), text); | 
| // Test round-trip | 
| let filter2; | 
| let buffer = []; | 
| filter.serialize(buffer); | 
| if (buffer.length) | 
| { | 
| - let map = Object.create(null); | 
| + let map = new Map(); | 
| for (let line of buffer.slice(1)) | 
| { | 
| if (/(.*?)=(.*)/.test(line)) | 
| - map[RegExp.$1] = RegExp.$2; | 
| + map.set(RegExp.$1, RegExp.$2); | 
| } | 
| - filter2 = Filter.fromObject(map); | 
| + filter2 = Filter.fromMap(map); | 
| } | 
| else | 
| filter2 = Filter.fromText(filter.text); | 
| test.equal(serializeFilter(filter).join("\n"), serializeFilter(filter2).join("\n"), text + " deserialization"); | 
| } | 
| exports.testFilterClassDefinitions = function(test) |