LibTest/convert/JsonCodec/decode_A02_t01.dart

// 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

/// @assertion Object decode(String str, {reviver(key, value)})
/// The optional reviver function is called once for each object or list property
/// that has been parsed during decoding.
/// The key argument is either the integer list index for a list property,
/// the map string for object properties, or null for the final result.
/// The default reviver (when not provided) is the identity function.
/// @description Checks that reviver function, if provided, is called at least
/// once for each object or list property parsed.
/// @author kaigorodov

import "dart:convert";
import "../../../Utils/expect.dart";
import "../JsonDecoder/table1.lib.dart" show table;

int count = 0;

Object reviver(key, value) {
   ++count;
   return value;
}

main() {
  for (List<Object> pair in table) {
    Object jsonObject = pair[0];
    String jsonString = pair[1];
    Object res = new JsonCodec().decode(jsonString, reviver: reviver);
    Expect.deepEquals(jsonObject, res);
    Expect.isTrue(count > 0);
    count = 0;
  }
}