sdk/tests/html/dom_isolates_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

library DOMIsolatesTest;
import '../../pkg/unittest/lib/unittest.dart';
import '../../pkg/unittest/lib/html_config.dart';
import 'dart:html';
import 'dart:isolate';

isolateMain() {
  port.receive((msg, replyTo) {
    if (msg != 'check') {
      replyTo.send('wrong msg: $msg');
    }
    replyTo.send('${window.location}');
    port.close();
  });
}

isolateMainTrampoline() {
  final childPort = spawnDomFunction(isolateMain);
  port.receive((msg, parentPort) {
    childPort.call(msg).then((response) {
      parentPort.send(response);
      port.close();
    });
  });
}

dummy() => print("Bad invocation of top-level function");

main() {
  useHtmlConfiguration();

  test('Simple DOM isolate test', () {
    spawnDomFunction(isolateMain).call('check').then(
      expectAsync1((msg) {
        expect(msg, equals('${window.location}'));
      }));
  });

  test('Nested DOM isolates test', () {
    spawnDomFunction(isolateMainTrampoline).call('check').then(
      expectAsync1((msg) {
        expect(msg, equals('${window.location}'));
      }));
  });

  test('Not function', () {
      expect(() => spawnDomFunction(42), throws);
  });

  test('Not topLevelFunction', () {
    var closure = guardAsync(() {});
    expect(() => spawnDomFunction(closure), throws);
  });

  test('Masked local function', () {
    var local = 42;
    dummy() => print("Bad invocation of local function: $local");
    expect(() => spawnDomFunction(dummy), throws);
  });
}