tests/lib_2/isolate/message2_test.dart

// Copyright (c) 2012, 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.

// VMOptions=--enable-isolate-groups --experimental-enable-isolate-groups-jit
// VMOptions=--no-enable-isolate-groups

// Dart test program for testing serialization of messages.
// VMOptions=--enable_type_checks --enable_asserts

library Message2Test;

import 'dart:isolate';
import 'package:async_helper/async_helper.dart';
import 'package:expect/expect.dart';

// ---------------------------------------------------------------------------
// Message passing test 2.
// ---------------------------------------------------------------------------

class MessageTest {
  static void mapEqualsDeep(Map expected, Map actual) {
    Expect.equals(actual.length, expected.length);
    testForEachMap(key, value) {
      if (value is List) {
        listEqualsDeep(value, actual[key]);
      } else {
        Expect.equals(actual[key], value);
      }
    }

    expected.forEach(testForEachMap);
  }

  static void listEqualsDeep(List expected, List actual) {
    for (int i = 0; i < expected.length; i++) {
      if (expected[i] is List) {
        Expect.type<List>(actual[i]);
        listEqualsDeep(expected[i], actual[i]);
      } else if (expected[i] is Map) {
        Expect.type<Map>(actual[i]);
        mapEqualsDeep(expected[i], actual[i]);
      } else {
        Expect.equals(actual[i], expected[i]);
      }
    }
  }
}

void pingPong(replyPort) {
  ReceivePort port = new ReceivePort();
  port.listen((message) {
    if (message is SendPort) {
      message.send('done');
      port.close();
    } else {
      // Bounce the received object back so that the sender
      // can make sure that the object matches.
      message[1].send(message[0]);
    }
  });
  replyPort.send(port.sendPort);
}

void main([args, port]) {
  ReceivePort port = new ReceivePort();
  Isolate.spawn(pingPong, port.sendPort);
  asyncStart();
  port.first.then((remote) {
    Map m = new Map();
    m[1] = "eins";
    m[2] = "deux";
    m[3] = "tre";
    m[4] = "four";
    ReceivePort replyPort = new ReceivePort();
    remote.send([m, replyPort.sendPort]);
    replyPort.listen((var received) {
      if (received == 'done') {
        replyPort.close();
        asyncEnd();
      } else {
        MessageTest.mapEqualsDeep(m, received);
        remote.send(replyPort.sendPort);
      }
    });
  });
}