Add a size parameter to SharedMemoryHandle.

ipc/ipc_message_utils_unittest.cc

 // Copyright (c) 2012 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 "ipc/ipc_message_utils.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <memory>
 
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
+#include "base/memory/shared_memory.h"
 #include "base/unguessable_token.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace IPC {
 namespace {
 
 // Tests nesting of messages as parameters to other messages.
 TEST(IPCMessageUtilsTest, NestedMessages) {
@@ skipping 164 matching lines @@
   IPC::LogParam(opt, &log);
   EXPECT_EQ("10", log);
 
   base::Optional<int> unserialized_opt;
   base::PickleIterator iter(pickle);
   EXPECT_TRUE(IPC::ReadParam(&pickle, &iter, &unserialized_opt));
   EXPECT_TRUE(unserialized_opt);
   EXPECT_EQ(opt.value(), unserialized_opt.value());
 }
 
+TEST(IPCMessageUtilsTest, SharedMemoryHandle) {
+  base::SharedMemoryCreateOptions options;
+  options.size = 1004;
+  base::SharedMemory shmem;
+  ASSERT_TRUE(shmem.Create(options));
+
+  base::SharedMemoryHandle pre_pickle = shmem.handle().Duplicate();
+  ASSERT_TRUE(pre_pickle.IsValid());
+
+  IPC::Message message;
+  IPC::WriteParam(&message, pre_pickle);
+
+  base::SharedMemoryHandle post_pickle;
+  base::PickleIterator iter(message);
+  EXPECT_TRUE(IPC::ReadParam(&message, &iter, &post_pickle));
+  EXPECT_EQ(pre_pickle.GetGUID(), post_pickle.GetGUID());
+  EXPECT_EQ(pre_pickle.GetSize(), post_pickle.GetSize());
+}
+
 TEST(IPCMessageUtilsTest, UnguessableTokenTest) {
   base::UnguessableToken token = base::UnguessableToken::Create();
   base::Pickle pickle;
   IPC::WriteParam(&pickle, token);
 
   base::PickleSizer sizer;
   IPC::GetParamSize(&sizer, token);
 
   EXPECT_EQ(sizer.payload_size(), pickle.payload_size());
 
@@ skipping 22 matching lines @@
 
   base::PickleIterator iter(pickle);
   base::flat_map<std::string, int> output;
   EXPECT_TRUE(IPC::ReadParam(&pickle, &iter, &output));
 
   EXPECT_EQ(input, output);
 }
 
 }  // namespace
 }  // namespace IPC