| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| import 'dart:convert'; |
| |
| final TESTS = [ |
| [5, '5'], |
| [-42, '-42'], |
| [3.14, '3.14'], |
| [true, 'true'], |
| [false, 'false'], |
| [null, 'null'], |
| ['quote"or\'', '"quote\\"or\'"'], |
| ['', '""'], |
| [[], "[]"], |
| [ |
| [3, -4.5, true, "hi", false], |
| '[3,-4.5,true,"hi",false]' |
| ], |
| [ |
| [null], |
| "[null]" |
| ], |
| [ |
| [ |
| [null] |
| ], |
| "[[null]]" |
| ], |
| [ |
| [ |
| [3] |
| ], |
| "[[3]]" |
| ], |
| [{}, "{}"], |
| [ |
| {"x": 3, "y": 4.5, "z": "hi", "u": true, "v": false}, |
| '{"x":3,"y":4.5,"z":"hi","u":true,"v":false}' |
| ], |
| [ |
| {"x": null}, |
| '{"x":null}' |
| ], |
| [ |
| {"x": {}}, |
| '{"x":{}}' |
| ], |
| // Note that -0.0 won't be treated the same in JS. The Json spec seems to |
| // allow it, though. |
| [ |
| {"hi there": 499, "'": -0.0}, |
| '{"hi there":499,"\'":-0.0}' |
| ], |
| [r'\foo', r'"\\foo"'], |
| ]; |
| |
| bool isJsonEqual(o1, o2) { |
| if (o1 == o2) return true; |
| if (o1 is List && o2 is List) { |
| if (o1.length != o2.length) return false; |
| for (int i = 0; i < o1.length; i++) { |
| if (!isJsonEqual(o1[i], o2[i])) return false; |
| } |
| return true; |
| } |
| if (o1 is Map && o2 is Map) { |
| if (o1.length != o2.length) return false; |
| for (var key in o1.keys) { |
| Expect.isTrue(key is String); |
| if (!o2.containsKey(key)) return false; |
| if (!isJsonEqual(o1[key], o2[key])) return false; |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| Object decode(String str) { |
| Object result; |
| var decoder = new JsonDecoder(null); |
| ChunkedConversionSink objectSink = |
| new ChunkedConversionSink.withCallback((x) => result = x.single); |
| var stringConversionSink = decoder.startChunkedConversion(objectSink); |
| stringConversionSink.add(str); |
| stringConversionSink.close(); |
| return result; |
| } |
| |
| Object decode2(String str) { |
| Object result; |
| var decoder = new JsonDecoder(null); |
| ChunkedConversionSink objectSink = |
| new ChunkedConversionSink.withCallback((x) => result = x.single); |
| var stringConversionSink = decoder.startChunkedConversion(objectSink); |
| ClosableStringSink stringSink = stringConversionSink.asStringSink(); |
| stringSink.write(str); |
| stringSink.close(); |
| return result; |
| } |
| |
| Object decode3(String str) { |
| Object result; |
| var decoder = new JsonDecoder(null); |
| ChunkedConversionSink objectSink = |
| new ChunkedConversionSink.withCallback((x) => result = x.single); |
| var stringConversionSink = decoder.startChunkedConversion(objectSink); |
| ClosableStringSink stringSink = stringConversionSink.asStringSink(); |
| str.codeUnits.forEach(stringSink.writeCharCode); |
| stringSink.close(); |
| return result; |
| } |
| |
| Object decode4(String str) { |
| Object result; |
| var decoder = new JsonDecoder(null); |
| ChunkedConversionSink objectSink = |
| new ChunkedConversionSink.withCallback((x) => result = x.single); |
| var stringConversionSink = decoder.startChunkedConversion(objectSink); |
| ClosableStringSink stringSink = stringConversionSink.asStringSink(); |
| str.runes.forEach(stringSink.writeCharCode); |
| stringSink.close(); |
| return result; |
| } |
| |
| Object decode5(String str) { |
| Object result; |
| var decoder = new JsonDecoder(null); |
| ChunkedConversionSink objectSink = |
| new ChunkedConversionSink.withCallback((x) => result = x.single); |
| var stringConversionSink = decoder.startChunkedConversion(objectSink); |
| ByteConversionSink inputByteSink = stringConversionSink.asUtf8Sink(false); |
| Object tmpBytes = utf8.encode(str); |
| inputByteSink.add(tmpBytes); |
| inputByteSink.close(); |
| return result; |
| } |
| |
| Object decode6(String str) { |
| Object result; |
| var decoder = new JsonDecoder(null); |
| ChunkedConversionSink objectSink = |
| new ChunkedConversionSink.withCallback((x) => result = x.single); |
| var stringConversionSink = decoder.startChunkedConversion(objectSink); |
| ByteConversionSink inputByteSink = stringConversionSink.asUtf8Sink(false); |
| var tmpBytes = utf8.encode(str); |
| tmpBytes.forEach((b) => inputByteSink.addSlice([0, b, 1], 1, 2, false)); |
| inputByteSink.close(); |
| return result; |
| } |
| |
| Object decode7(String str) { |
| Object result; |
| var decoder = new JsonDecoder(null); |
| ChunkedConversionSink objectSink = |
| new ChunkedConversionSink.withCallback((x) => result = x.single); |
| var stringConversionSink = decoder.startChunkedConversion(objectSink); |
| stringConversionSink.addSlice("1" + str + "2", 1, str.length + 1, false); |
| stringConversionSink.close(); |
| return result; |
| } |
| |
| main() { |
| var tests = TESTS.expand((test) { |
| var object = test[0]; |
| var string = test[1]; |
| var longString = " " |
| " " |
| "$string" |
| " " |
| " "; |
| return [ |
| test, |
| [object, longString] |
| ]; |
| }); |
| for (var test in tests) { |
| var o = test[0]; |
| var string = test[1]; |
| Expect.isTrue(isJsonEqual(o, decode(string))); |
| Expect.isTrue(isJsonEqual(o, decode2(string))); |
| Expect.isTrue(isJsonEqual(o, decode3(string))); |
| Expect.isTrue(isJsonEqual(o, decode4(string))); |
| Expect.isTrue(isJsonEqual(o, decode5(string))); |
| Expect.isTrue(isJsonEqual(o, decode6(string))); |
| Expect.isTrue(isJsonEqual(o, decode7(string))); |
| } |
| } |