LibTest/convert/JsonDecoder/JsonDecoder_A01_t01.dart

// 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.

// @dart = 2.9

/// @assertion const JsonDecoder([reviver(key, value)])
/// Constructs a new JsonDecoder.
/// The reviver may be null.
/// @description Checks that this constructor creates decoder which works as
/// expected. Test constructor with no parameters or null
/// @author sgrekhov@unipro.ru

import "dart:convert";
import "../../../Utils/expect.dart";

check(JsonDecoder decoder, String toDecode, var expected) {
  var decoded = decoder.convert(toDecode);
  Expect.deepEquals(expected, decoded);
}

main() {
  JsonDecoder decoder = new JsonDecoder();
  check(decoder, '{"a": 3}', {"a": 3});
  check(decoder, '{"b": 3.14}', {"b": 3.14});
  check(decoder, '{"c": true}', {"c": true});
  check(decoder, '["d", "e"]', ["d", "e"]);
  check(decoder, '{"f": {"g": "h"}}', {"f": {"g": "h"}});

  decoder = new JsonDecoder(null);
  check(decoder, '{"a": 3}', {"a": 3});
  check(decoder, '{"b": 3.14}', {"b": 3.14});
  check(decoder, '{"c": true}', {"c": true});
  check(decoder, '["d", "e"]', ["d", "e"]);
  check(decoder, '{"f": {"g": "h"}}', {"f": {"g": "h"}});
}