Missing handling of default arguments in socket stream readInto

tests/standalone/src/Regress-1925.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.
+//
+// Regression test for http://code.google.com/p/dart/issues/detail?id=1925.
+//
+// VMOptions=
+// VMOptions=--short_socket_read
+// VMOptions=--short_socket_write
+// VMOptions=--short_socket_read --short_socket_write
+
+#import("dart:io");
+#import("dart:isolate");
+#source("TestingServer.dart");
+
+final CONNECTIONS = 200;
+
+class Regress1925TestServer extends TestingServer {
+
+  void onConnection(Socket socket) {
+    socket.onError = () => Expect.fail("Server socket error");
+    socket.inputStream.onClosed = () => socket.outputStream.close();
+    socket.inputStream.onData = () {
+      var buffer = new List(1);
+      var read = socket.inputStream.readInto(buffer);
+      Expect.equals(1, read);
+      socket.outputStream.writeFrom(buffer, 0, read);
+    };
+  }
+
+  int _connections = 0;
+}
+
+
+class Regress1925Test extends TestingServerTest {
+  Regress1925Test.start() : super.start(new Regress1925TestServer());
+
+  void run() {
+
+    void onConnect() {
+      _connections++;
+      if (_connections == CONNECTIONS) {
+        for (int i = 0; i < CONNECTIONS; i++) {
+          _sockets[i].close();
+        }
+        shutdown();
+      }
+    }
+
+    var count = 0;
+    var buffer = new List(5);
+    Socket socket = new Socket(TestingServer.HOST, _port);
+    socket.onConnect = () {
+      socket.outputStream.write("12345".charCodes());
+      socket.outputStream.close();
+      socket.inputStream.onData = () {
+        count += socket.inputStream.readInto(buffer, count);
+      };
+      socket.inputStream.onClosed = () {
+        Expect.equals(5, count);
+        shutdown();
+      };
+      socket.inputStream.onError = () => Expect.fail("Socket error");
+    };
+  }
+}
+
+main() {
+  Regress1925Test test = new Regress1925Test.start();
+}