tests/lib_2/isolate/raw_port_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.

// Test RawReceivePort.

library raw_port_test;

import 'dart:isolate';
import 'package:unittest/unittest.dart';
import 'remote_unittest_helper.dart';

void remote(SendPort port) {
  port.send("reply");
}

void remote2(SendPort port) {
  port.send("reply 1");
  port.send("reply 2");
}

main([args, port]) {
  if (testRemote(main, port)) return;

  test("raw receive", () {
    RawReceivePort port = new RawReceivePort();
    Isolate.spawn(remote, port.sendPort);
    port.handler = expectAsync((v) {
      expect(v, "reply");
      port.close();
    });
  });

  test("raw receive hashCode", () {
    RawReceivePort port = new RawReceivePort();
    expect(port.hashCode is int, true);
    port.close();
  });

  test("raw receive twice - change handler", () {
    RawReceivePort port = new RawReceivePort();
    Isolate.spawn(remote2, port.sendPort);
    port.handler = expectAsync((v) {
      expect(v, "reply 1");
      port.handler = expectAsync((v) {
        expect(v, "reply 2");
        port.close();
      });
    });
  });

  test("from-raw-port", () {
    RawReceivePort rawPort = new RawReceivePort();
    Isolate.spawn(remote, rawPort.sendPort);
    rawPort.handler = expectAsync((v) {
      expect(v, "reply");
      ReceivePort port = new ReceivePort.fromRawReceivePort(rawPort);
      Isolate.spawn(remote, rawPort.sendPort);
      Isolate.spawn(remote, port.sendPort);
      int ctr = 2;
      port.listen(
          expectAsync((v) {
            expect(v, "reply");
            ctr--;
            if (ctr == 0) port.close();
          }, count: 2),
          onDone: expectAsync(() {}));
    });
  });
}