WebSocket Pepper API: Add unit test to call Close()

webkit/plugins/ppapi/ppb_websocket_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/plugins/ppapi/ppb_websocket_impl.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 216 matching lines @@
       state_ == PP_WEBSOCKETREADYSTATE_CLOSED_DEV)
     return PP_ERROR_INPROGRESS;
 
   // Validate |callback| (Doesn't support blocking callback)
   if (!callback.func)
     return PP_ERROR_BLOCKS_MAIN_THREAD;
 
   // Install |callback|.
   close_callback_ = callback;
 
+  // Abort ongoing connect.
   if (state_ == PP_WEBSOCKETREADYSTATE_CONNECTING_DEV) {
     state_ = PP_WEBSOCKETREADYSTATE_CLOSING_DEV;
     PP_RunAndClearCompletionCallback(&connect_callback_, PP_ERROR_ABORTED);
     websocket_->fail(
         "WebSocket was closed before the connection was established.");
     return PP_OK_COMPLETIONPENDING;
   }
 
+  // Abort ongoing receive.
+  if (wait_for_receive_) {
+    wait_for_receive_ = false;
+    receive_callback_var_ = NULL;
+    PP_RunAndClearCompletionCallback(&receive_callback_, PP_ERROR_ABORTED);
+  }
+
   // Close connection.
   state_ = PP_WEBSOCKETREADYSTATE_CLOSING_DEV;
   WebString web_reason = WebString::fromUTF8(reason_string->value());
   websocket_->close(code, web_reason);
 
   return PP_OK_COMPLETIONPENDING;
 }
 
 int32_t PPB_WebSocket_Impl::ReceiveMessage(PP_Var* message,
                                            PP_CompletionCallback callback) {
@@ skipping 152 matching lines @@
   // Records the error, then stops receiving any frames after this error.
   // The error will be notified after all queued messages are read via
   // ReceiveMessage().
   error_was_received_ = true;
   if (!wait_for_receive_)
     return;
 
   // But, if no messages are queued and ReceiveMessage() is now on going.
   // We must invoke the callback with error code here.
   wait_for_receive_ = false;
+  receive_callback_var_ = NULL;
   PP_RunAndClearCompletionCallback(&receive_callback_, PP_ERROR_FAILED);
 }
 
 void PPB_WebSocket_Impl::didUpdateBufferedAmount(
     unsigned long buffered_amount) {
   if (state_ == PP_WEBSOCKETREADYSTATE_CLOSED_DEV)
     return;
   buffered_amount_ = buffered_amount;
 }
 
@@ skipping 43 matching lines @@
 
   *receive_callback_var_ = received_messages_.front();
   received_messages_.pop();
   receive_callback_var_ = NULL;
   wait_for_receive_ = false;
   return PP_OK;
 }
 
 }  // namespace ppapi
 }  // namespace webkit