sdk/tests/isolate/message2_test.dart

// Copyright (c) 2011, 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 test program for testing serialization of messages.
// VMOptions=--enable_type_checks --enable_asserts

#library('Message2Test');
#import("dart:isolate");

#import('../../lib/unittest/unittest.dart');

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

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

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

class PingPongServer extends Isolate {
  PingPongServer() : super.heavy();

  void main() {
    this.port.receive((var message, SendPort replyTo) {
      if (message == -1) {
        this.port.close();
      } else {
        // Bounce the received object back so that the sender
        // can make sure that the object matches.
        replyTo.send(message, null);
      }
    });
  }
}

main() {
  test("map is equal after it is sent back and forth", () {
    new PingPongServer().spawn().then(expectAsync1((SendPort remote) {
      Map m = new Map();
      m[1] = "eins";
      m[2] = "deux";
      m[3] = "tre";
      m[4] = "four";
      remote.call(m).then(expectAsync1((var received) {
        MessageTest.mapEqualsDeep(m, received);
        remote.send(-1, null);
      }));
    }));
  });
}