Add tests for IOSink.done call effect on HttpClientRequest/HttpResponse (should be none).

tests/standalone/io/http_server_response_test.dart

 // 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.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 import "package:expect/expect.dart";
@@ skipping 32 matching lines @@
 }
 
 void testResponseDone() {
   testServerRequest((server, request) {
     request.response.close();
     request.response.done.then((response) {
       Expect.equals(request.response, response);
       server.close();
     });
   });
+
+  testServerRequest((server, request) {
+    new File("__not_exitsing_file_").openRead().pipe(request.response)
+        .catchError((e) {
+          server.close();
+        });
+  });
+
+  testServerRequest((server, request) {
+    request.response.done.then((_) {
+      server.close();
+    });
+    request.response.contentLength = 0;
+    request.response.close();
+  });
 }
 
 void testResponseAddStream() {
   int bytes = new File(new Options().script).lengthSync();
 
   testServerRequest((server, request) {
     request.response.addStream(new File(new Options().script).openRead())
         .then((response) {
           response.close();
           response.done.then((_) => server.close());
@@ skipping 13 matching lines @@
 
   testServerRequest((server, request) {
     var controller = new StreamController();
     request.response.addStream(controller.stream)
         .then((response) {
           response.close();
           response.done.then((_) => server.close());
         });
     controller.close();
   }, bytes: 0);
+
+  testServerRequest((server, request) {
+    request.response.addStream(new File("__not_exitsing_file_").openRead())
+        .catchError((e) {
+          server.close();
+        });
+  });
+
+  testServerRequest((server, request) {
+    new File("__not_exitsing_file_").openRead().pipe(request.response)
+        .catchError((e) {
+          server.close();
+        });
+  });
 }
 
 void testBadResponseAdd() {
   testServerRequest((server, request) {
     request.response.contentLength = 0;
     request.response.add([0]);
     request.response.close();
     request.response.done.catchError((error) {
       server.close();
     }, test: (e) => e is HttpException);
@@ skipping 39 matching lines @@
     }, test: (e) => e is HttpException);
   });
 }
 
 void main() {
   testResponseDone();
   testResponseAddStream();
   testBadResponseAdd();
   testBadResponseClose();
 }