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// 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 "base/file_path.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_message_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace IPC {
// Tests nesting of messages as parameters to other messages.
TEST(IPCMessageUtilsTest, NestedMessages) {
int32 nested_routing = 12;
uint32 nested_type = 78;
int nested_content = 456789;
Message::PriorityValue nested_priority = Message::PRIORITY_HIGH;
Message nested_msg(nested_routing, nested_type, nested_priority);
nested_msg.set_sync();
ParamTraits<int>::Write(&nested_msg, nested_content);
// Outer message contains the nested one as its parameter.
int32 outer_routing = 91;
uint32 outer_type = 88;
Message::PriorityValue outer_priority = Message::PRIORITY_NORMAL;
Message outer_msg(outer_routing, outer_type, outer_priority);
ParamTraits<Message>::Write(&outer_msg, nested_msg);
// Read back the nested message.
PickleIterator iter(outer_msg);
IPC::Message result_msg;
ASSERT_TRUE(ParamTraits<Message>::Read(&outer_msg, &iter, &result_msg));
// Verify nested message headers.
EXPECT_EQ(nested_msg.routing_id(), result_msg.routing_id());
EXPECT_EQ(nested_msg.type(), result_msg.type());
EXPECT_EQ(nested_msg.priority(), result_msg.priority());
EXPECT_EQ(nested_msg.flags(), result_msg.flags());
// Verify nested message content
PickleIterator nested_iter(nested_msg);
int result_content = 0;
ASSERT_TRUE(ParamTraits<int>::Read(&nested_msg, &nested_iter,
&result_content));
EXPECT_EQ(nested_content, result_content);
// Try reading past the ends for both messages and make sure it fails.
IPC::Message dummy;
ASSERT_FALSE(ParamTraits<Message>::Read(&outer_msg, &iter, &dummy));
ASSERT_FALSE(ParamTraits<int>::Read(&nested_msg, &nested_iter,
&result_content));
}
// Tests that detection of various bad parameters is working correctly.
TEST(IPCMessageUtilsTest, ParameterValidation) {
IPC::Message message;
FilePath::StringType okString(FILE_PATH_LITERAL("hello"), 5);
FilePath::StringType badString(FILE_PATH_LITERAL("hel\0o"), 5);
FilePath okPath(okString);
FilePath badPath(badString);
ParamTraits<FilePath>::Write(&message, okPath);
ParamTraits<FilePath>::Write(&message, badPath);
PickleIterator iter(message);
ASSERT_TRUE(ParamTraits<FilePath>::Read(&message, &iter, &okPath));
ASSERT_FALSE(ParamTraits<FilePath>::Read(&message, &iter, &badPath));
}
} // namespace IPC
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