| // Copyright (c) 2017, 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. |
| |
| /// @assertion const JsonCodec({dynamic reviver(key,value), |
| /// dynamic toEncodable(object)}) |
| /// Creates a JsonCodec with the given reviver and encoding function. |
| /// ... |
| /// If reviver is omitted, it defaults to returning the value argument. |
| /// ... |
| /// If toEncodable is omitted, it defaults to a function that returns the result |
| /// of calling .toJson() on the unencodable object. |
| /// @description Checks that this constructor, called without parameters, |
| /// created object with default reviver and toEncodable |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:convert"; |
| import "../../../Utils/expect.dart"; |
| |
| class A { |
| Object toJson() => 42; |
| } |
| |
| class C { |
| String toJson() => "C: this is JSON"; |
| } |
| |
| checkReviver(JsonCodec codec, String toDecode, var expected) { |
| var decoded = codec.decode(toDecode); |
| Expect.deepEquals(expected, decoded); |
| } |
| |
| checkEncodable(JsonCodec codec, var object, var expected) { |
| var encoded = codec.encode(object); |
| Expect.equals(expected.toString(), encoded.toString()); |
| } |
| |
| main() { |
| JsonCodec codec = new JsonCodec(); |
| |
| checkReviver(codec, '{"a": 3}', {"a": 3}); |
| checkReviver(codec, '{"b": 3.14}', {"b": 3.14}); |
| checkReviver(codec, '{"c": true}', {"c": true}); |
| checkReviver(codec, '["d", "e"]', ["d", "e"]); |
| checkReviver(codec, '{"f": {"g": "h"}}', {"f": {"g": "h"}}); |
| |
| checkEncodable(codec, new A(), new A().toJson()); |
| checkEncodable(codec, new C(), '"' + new C().toJson() + '"'); |
| } |