hexlet-codebattle/codebattle

import 'dart:convert';
import 'dart:async';

import 'package:check/solution.dart';

void main() {
    var asserts = [];
    var output_ = "";

    var startTime_;
    var result_;
    var executionTime_;

    try {
      runZoned(() {
      <%= for %{arguments: arguments} <- checks do %>
        startTime_ = new DateTime.now().millisecondsSinceEpoch;
        result_ = solution(<%= arguments %>);
        executionTime_ = new DateTime.now().millisecondsSinceEpoch - startTime_;
        asserts.add({
          'type': 'result',
          'value': result_,
          'output': output_,
          'time': executionTime_
        });
        output_ = "";
      <% end %>
      }, zoneSpecification: new ZoneSpecification(
        print: (Zone self, ZoneDelegate parent, Zone zone, String line) {
          output_ += line + "\n";
        }
      ));

    asserts.forEach(
      (message) => print_message(message)
    );

    } catch (e) {
      print(output_);
      print(e);
      print_message({
        'type': 'error',
        'value': e
      });
    }
}

void print_message(obj) {
  print(json.encode(obj));
}