|  | // Copyright (c) 2013, 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. | 
|  | // | 
|  | // Tests socket exceptions. | 
|  |  | 
|  | import "dart:async"; | 
|  | import "dart:io"; | 
|  |  | 
|  | import "package:async_helper/async_helper.dart"; | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | void serverSocketExceptionTest() { | 
|  | bool exceptionCaught = false; | 
|  | bool wrongExceptionCaught = false; | 
|  |  | 
|  | ServerSocket.bind("127.0.0.1", 0).then((server) { | 
|  | Expect.isNotNull(server); | 
|  | server.close(); | 
|  | try { | 
|  | server.close(); | 
|  | } on SocketException catch (ex) { | 
|  | exceptionCaught = true; | 
|  | } catch (ex) { | 
|  | wrongExceptionCaught = true; | 
|  | } | 
|  | Expect.equals(false, exceptionCaught); | 
|  | Expect.equals(true, !wrongExceptionCaught); | 
|  |  | 
|  | // Test invalid host. | 
|  | ServerSocket.bind("__INVALID_HOST__", 0).then((server) { | 
|  | Expect.fail('Connection succeeded.'); | 
|  | }).catchError((e) => Expect.isTrue(e is SocketException)); | 
|  | }); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | asyncStart(); | 
|  | serverSocketExceptionTest(); | 
|  | asyncEnd(); | 
|  | } |