Revert "Fix issues with Socket shutdown."

tests/standalone/io/issue_22637_test.dart

Index: tests/standalone/io/issue_22637_test.dart
diff --git a/tests/standalone/io/issue_22637_test.dart b/tests/standalone/io/issue_22637_test.dart
deleted file mode 100644
index 689c3a3d67e910545f3a2aae3bef2bfbadd9867b..0000000000000000000000000000000000000000
--- a/tests/standalone/io/issue_22637_test.dart
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright (c) 2015, 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.
-//
-// This test checks that a shutdown(SocketDirection.SEND) of a socket,
-// when the other end is already closed, does not discard unread data
-// that remains in the connection.
-
-import "dart:io";
-import "dart:async";
-import "package:expect/expect.dart";
-
-RawServerSocket server;
-RawSocket client;
-Duration delay = new Duration(seconds: 1);
-
-void serverListen(RawSocket serverSide) {
-  var data = new List.generate(200, (i) => i % 20 + 65);
-  var offset = 0;
-  void serveData(RawSocketEvent event) {
-    if (event == RawSocketEvent.WRITE) {
-      while (offset < data.length) {
-        var written = serverSide.write(data, offset);
-        offset += written;
-        if (written == 0) {
-          serverSide.writeEventsEnabled = true;
-          return;
-        }
-      }
-      serverSide.close();
-      server.close();
-    }
-  }
-  serverSide.listen(serveData);
-}
-
-
-void clientListen(RawSocketEvent event) {
-  if (event == RawSocketEvent.READ) {
-    client.readEventsEnabled = false;
-    new Future.delayed(delay, () {
-      var data = client.read(100);
-      if (data == null) {
-        // If there is no data ready to read, wait until there is data
-        // that can be read, before running the rest of the test.
-        client.readEventsEnabled = true;
-        return;
-      }
-      client.shutdown(SocketDirection.SEND);
-      data = client.read(100);
-      Expect.isNotNull(data);
-      client.close();
-    });      
-  }
-}
-
-
-test() async {
-  server = await RawServerSocket.bind("localhost", 1968);
-  server.listen(serverListen);
-  client = await RawSocket.connect("localhost", 1968);
-  client.listen(clientListen);
-}
-
-
-void main() {
-  test();
-}