The Tor Browser / file comparison
comparison: dom/src/json/test/unit/test_encode.js
dom/src/json/test/unit/test_encode.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:5bd1405ac4d3 |
|---|---|
| 1 var Ci = Components.interfaces; | |
| 2 var Cc = Components.classes; | |
| 3 | |
| 4 var nativeJSON = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON); | |
| 5 | |
| 6 var dirSvc = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties); | |
| 7 var workingDir = dirSvc.get("TmpD", Ci.nsIFile); | |
| 8 | |
| 9 var outputName = "json-test-output"; | |
| 10 var outputDir = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile); | |
| 11 outputDir.initWithFile(workingDir); | |
| 12 outputDir.append(outputName); | |
| 13 | |
| 14 if (!outputDir.exists()) { | |
| 15 outputDir.create(Ci.nsIFile.DIRECTORY_TYPE, 0777); | |
| 16 } else if (!outputDir.isDirectory()) { | |
| 17 do_throw(outputName + " is not a directory?") | |
| 18 } | |
| 19 | |
| 20 function testStringEncode() | |
| 21 { | |
| 22 var obj1 = {a:1}; | |
| 23 var obj2 = {foo:"bar"}; | |
| 24 do_check_eq(nativeJSON.encode(obj1), '{"a":1}'); | |
| 25 do_check_eq(nativeJSON.encode(obj2), '{"foo":"bar"}'); | |
| 26 | |
| 27 do_check_eq(nativeJSON.encode(), null); | |
| 28 | |
| 29 // useless roots are dropped | |
| 30 do_check_eq(nativeJSON.encode(null), null); | |
| 31 do_check_eq(nativeJSON.encode(""), null); | |
| 32 do_check_eq(nativeJSON.encode(undefined), null); | |
| 33 do_check_eq(nativeJSON.encode(5), null); | |
| 34 do_check_eq(nativeJSON.encode(function(){}), null); | |
| 35 do_check_eq(nativeJSON.encode(dump), null); | |
| 36 | |
| 37 // All other testing should occur in js/src/tests/ecma_5/JSON/ using | |
| 38 // the otherwise-exactly-identical JSON.stringify. | |
| 39 } | |
| 40 | |
| 41 function testToJSON() { | |
| 42 var obj1 = {a:1}; | |
| 43 var obj2 = {foo:"bar"}; | |
| 44 do_check_eq(nativeJSON.encode({toJSON: function() obj1}), '{"a":1}'); | |
| 45 do_check_eq(nativeJSON.encode({toJSON: function() obj2}), '{"foo":"bar"}'); | |
| 46 | |
| 47 do_check_eq(nativeJSON.encode({toJSON: function() null}), null); | |
| 48 do_check_eq(nativeJSON.encode({toJSON: function() ""}), null); | |
| 49 do_check_eq(nativeJSON.encode({toJSON: function() undefined }), null); | |
| 50 do_check_eq(nativeJSON.encode({toJSON: function() 5}), null); | |
| 51 do_check_eq(nativeJSON.encode({toJSON: function() function(){}}), null); | |
| 52 do_check_eq(nativeJSON.encode({toJSON: function() dump}), null); | |
| 53 } | |
| 54 | |
| 55 function testThrowingToJSON() { | |
| 56 var obj1 = { | |
| 57 "b": 1, | |
| 58 "c": 2, | |
| 59 toJSON: function() { throw("uh oh"); } | |
| 60 }; | |
| 61 try { | |
| 62 var y = nativeJSON.encode(obj1); | |
| 63 throw "didn't throw"; | |
| 64 } catch (ex) { | |
| 65 do_check_eq(ex, "uh oh"); | |
| 66 } | |
| 67 | |
| 68 var obj2 = { | |
| 69 "b": 1, | |
| 70 "c": 2, | |
| 71 get toJSON() { throw("crash and burn"); } | |
| 72 }; | |
| 73 try { | |
| 74 var y = nativeJSON.encode(obj2); | |
| 75 throw "didn't throw"; | |
| 76 } catch (ex) { | |
| 77 do_check_eq(ex, "crash and burn"); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 function testOutputStreams() { | |
| 82 function writeToFile(obj, charset, writeBOM) { | |
| 83 var jsonFile = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile); | |
| 84 jsonFile.initWithFile(outputDir); | |
| 85 jsonFile.append("test.json"); | |
| 86 jsonFile.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0600); | |
| 87 var stream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream); | |
| 88 try { | |
| 89 stream.init(jsonFile, 0x04 | 0x08 | 0x20, 0600, 0); // write, create, truncate | |
| 90 nativeJSON.encodeToStream(stream, charset, writeBOM, obj); | |
| 91 } finally { | |
| 92 stream.close(); | |
| 93 } | |
| 94 return jsonFile; | |
| 95 } | |
| 96 | |
| 97 var pairs = [ | |
| 98 ["{}", {}], | |
| 99 ['{"foo":"bar"}', {"foo":"bar"}], | |
| 100 ['{"null":null}', {"null":null}], | |
| 101 ['{"five":5}', {"five":5}], | |
| 102 ['{"true":true}', {"true":true}], | |
| 103 ['{"x":{"y":"z"}}', {"x":{"y":"z"}}], | |
| 104 ['{"w":{"x":{"y":"z"}}}', {"w":{"x":{"y":"z"}}}], | |
| 105 ["[]", []], | |
| 106 ['[1,2,3]', [1,2,3]], | |
| 107 ['[1,null,3]',[1,,3]], | |
| 108 ]; | |
| 109 for (var i = 0; i < pairs.length; i++) | |
| 110 { | |
| 111 var pair = pairs[i]; | |
| 112 if (pair[1] && (typeof pair[1] == "object")) { | |
| 113 var utf8File = writeToFile(pair[1], "UTF-8", false); | |
| 114 var utf16LEFile = writeToFile(pair[1], "UTF-16LE", false); | |
| 115 var utf16BEFile = writeToFile(pair[1], "UTF-16BE", false); | |
| 116 | |
| 117 // all ascii with no BOMs, so this will work | |
| 118 do_check_eq(utf16LEFile.fileSize / 2, utf8File.fileSize); | |
| 119 do_check_eq(utf16LEFile.fileSize, utf16BEFile.fileSize); | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 // check BOMs | |
| 124 // the clone() calls are there to work around -- bug 410005 | |
| 125 var f = writeToFile({},"UTF-8", true).clone(); | |
| 126 do_check_eq(f.fileSize, 5); | |
| 127 var f = writeToFile({},"UTF-16LE", true).clone(); | |
| 128 do_check_eq(f.fileSize, 6); | |
| 129 var f = writeToFile({},"UTF-16BE", true).clone(); | |
| 130 do_check_eq(f.fileSize, 6); | |
| 131 | |
| 132 outputDir.remove(true); | |
| 133 } | |
| 134 | |
| 135 function run_test() | |
| 136 { | |
| 137 testStringEncode(); | |
| 138 testToJSON(); | |
| 139 testThrowingToJSON(); | |
| 140 | |
| 141 testOutputStreams(); | |
| 142 | |
| 143 } |
