ipc/ipc_test_channel_listener.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ipc/ipc_test_channel_listener.h"
   6
   7 #include "ipc/ipc_message.h"
   8 #include "ipc/ipc_sender.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace IPC {
  12
  13 // static
  14 void TestChannelListener::SendOneMessage(IPC::Sender* sender,
  15                                          const char* text) {
  16   static int message_index = 0;
  17
  18   IPC::Message* message = new IPC::Message(0,
  19                                            2,
  20                                            IPC::Message::PRIORITY_NORMAL);
  21   message->WriteInt(message_index++);
  22   message->WriteString(std::string(text));
  23
  24   // Make sure we can handle large messages.
  25   char junk[kLongMessageStringNumBytes];
  26   memset(junk, 'a', sizeof(junk)-1);
  27   junk[sizeof(junk)-1] = 0;
  28   message->WriteString(std::string(junk));
  29
  30   sender->Send(message);
  31 }
  32
  33
  34 bool TestChannelListener::OnMessageReceived(const IPC::Message& message) {
  35   base::PickleIterator iter(message);
  36
  37   int ignored;
  38   EXPECT_TRUE(iter.ReadInt(&ignored));
  39   std::string data;
  40   EXPECT_TRUE(iter.ReadString(&data));
  41   std::string big_string;
  42   EXPECT_TRUE(iter.ReadString(&big_string));
  43   EXPECT_EQ(kLongMessageStringNumBytes - 1, big_string.length());
  44
  45   SendNextMessage();
  46   return true;
  47 }
  48
  49 void TestChannelListener::OnChannelError() {
  50   // There is a race when closing the channel so the last message may be lost.
  51   EXPECT_LE(messages_left_, 1);
  52   base::MessageLoop::current()->Quit();
  53 }
  54
  55 void TestChannelListener::SendNextMessage() {
  56   if (--messages_left_ <= 0)
  57     base::MessageLoop::current()->Quit();
  58   else
  59     SendOneMessage(sender_, "Foo");
  60 }
  61
  62 }