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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Unit test to make sure that the serialization of synchronous IPC messages
// works. This ensures that the macros and templates were defined correctly.
// Doesn't test the IPC channel mechanism.
#include "base/check_op.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_message_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#define IPC_MESSAGE_IMPL
#include "ipc/ipc_sync_message_unittest.h"
namespace {
static IPC::Message* g_reply;
class TestMessageReceiver {
public:
void On_0_1(bool* out1) {
*out1 = false;
}
void On_0_2(bool* out1, int* out2) {
*out1 = true;
*out2 = 2;
}
void On_0_3(bool* out1, int* out2, std::string* out3) {
*out1 = false;
*out2 = 3;
*out3 = "0_3";
}
void On_1_1(int in1, bool* out1) {
DCHECK_EQ(1, in1);
*out1 = true;
}
void On_1_2(bool in1, bool* out1, int* out2) {
DCHECK(!in1);
*out1 = true;
*out2 = 12;
}
void On_1_3(int in1, std::string* out1, int* out2, bool* out3) {
DCHECK_EQ(3, in1);
*out1 = "1_3";
*out2 = 13;
*out3 = false;
}
void On_2_1(int in1, bool in2, bool* out1) {
DCHECK_EQ(1, in1);
DCHECK(!in2);
*out1 = true;
}
void On_2_2(bool in1, int in2, bool* out1, int* out2) {
DCHECK(!in1);
DCHECK_EQ(2, in2);
*out1 = true;
*out2 = 22;
}
void On_2_3(int in1, bool in2, std::string* out1, int* out2, bool* out3) {
DCHECK_EQ(3, in1);
DCHECK(in2);
*out1 = "2_3";
*out2 = 23;
*out3 = false;
}
void On_3_1(int in1, bool in2, const std::string& in3, bool* out1) {
DCHECK_EQ(1, in1);
DCHECK(!in2);
DCHECK_EQ("3_1", in3);
*out1 = true;
}
void On_3_2(const std::string& in1,
bool in2,
int in3,
bool* out1,
int* out2) {
DCHECK_EQ("3_2", in1);
DCHECK(!in2);
DCHECK_EQ(2, in3);
*out1 = true;
*out2 = 32;
}
void On_3_3(int in1,
const std::string& in2,
bool in3,
std::string* out1,
int* out2,
bool* out3) {
DCHECK_EQ(3, in1);
DCHECK_EQ("3_3", in2);
DCHECK(in3);
*out1 = "3_3";
*out2 = 33;
*out3 = false;
}
void On_3_4(bool in1,
int in2,
const std::string& in3,
int* out1,
bool* out2,
std::string* out3,
bool* out4) {
DCHECK(in1);
DCHECK_EQ(3, in2);
DCHECK_EQ("3_4", in3);
*out1 = 34;
*out2 = true;
*out3 = "3_4";
*out4 = false;
}
bool Send(IPC::Message* message) {
// gets the reply message, stash in global
DCHECK(g_reply == NULL);
g_reply = message;
return true;
}
bool OnMessageReceived(const IPC::Message& msg) {
IPC_BEGIN_MESSAGE_MAP(TestMessageReceiver, msg)
IPC_MESSAGE_HANDLER(Msg_C_0_1, On_0_1)
IPC_MESSAGE_HANDLER(Msg_C_0_2, On_0_2)
IPC_MESSAGE_HANDLER(Msg_C_0_3, On_0_3)
IPC_MESSAGE_HANDLER(Msg_C_1_1, On_1_1)
IPC_MESSAGE_HANDLER(Msg_C_1_2, On_1_2)
IPC_MESSAGE_HANDLER(Msg_C_1_3, On_1_3)
IPC_MESSAGE_HANDLER(Msg_C_2_1, On_2_1)
IPC_MESSAGE_HANDLER(Msg_C_2_2, On_2_2)
IPC_MESSAGE_HANDLER(Msg_C_2_3, On_2_3)
IPC_MESSAGE_HANDLER(Msg_C_3_1, On_3_1)
IPC_MESSAGE_HANDLER(Msg_C_3_2, On_3_2)
IPC_MESSAGE_HANDLER(Msg_C_3_3, On_3_3)
IPC_MESSAGE_HANDLER(Msg_C_3_4, On_3_4)
IPC_MESSAGE_HANDLER(Msg_R_0_1, On_0_1)
IPC_MESSAGE_HANDLER(Msg_R_0_2, On_0_2)
IPC_MESSAGE_HANDLER(Msg_R_0_3, On_0_3)
IPC_MESSAGE_HANDLER(Msg_R_1_1, On_1_1)
IPC_MESSAGE_HANDLER(Msg_R_1_2, On_1_2)
IPC_MESSAGE_HANDLER(Msg_R_1_3, On_1_3)
IPC_MESSAGE_HANDLER(Msg_R_2_1, On_2_1)
IPC_MESSAGE_HANDLER(Msg_R_2_2, On_2_2)
IPC_MESSAGE_HANDLER(Msg_R_2_3, On_2_3)
IPC_MESSAGE_HANDLER(Msg_R_3_1, On_3_1)
IPC_MESSAGE_HANDLER(Msg_R_3_2, On_3_2)
IPC_MESSAGE_HANDLER(Msg_R_3_3, On_3_3)
IPC_MESSAGE_HANDLER(Msg_R_3_4, On_3_4)
IPC_END_MESSAGE_MAP()
return true;
}
};
void Send(IPC::SyncMessage* msg) {
static TestMessageReceiver receiver;
std::unique_ptr<IPC::MessageReplyDeserializer> reply_serializer =
msg->TakeReplyDeserializer();
DCHECK(reply_serializer);
// "send" the message
receiver.OnMessageReceived(*msg);
delete msg;
// get the reply message from the global, and deserialize the output
// parameters into the output pointers.
DCHECK(g_reply != NULL);
bool result = reply_serializer->SerializeOutputParameters(*g_reply);
DCHECK(result);
delete g_reply;
g_reply = NULL;
}
TEST(IPCSyncMessageTest, Main) {
bool bool1 = true;
int int1 = 0;
std::string string1;
Send(new Msg_C_0_1(&bool1));
DCHECK(!bool1);
Send(new Msg_C_0_2(&bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(2, int1);
Send(new Msg_C_0_3(&bool1, &int1, &string1));
DCHECK(!bool1);
DCHECK_EQ(3, int1);
DCHECK_EQ("0_3", string1);
bool1 = false;
Send(new Msg_C_1_1(1, &bool1));
DCHECK(bool1);
bool1 = false;
Send(new Msg_C_1_2(false, &bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(12, int1);
bool1 = true;
Send(new Msg_C_1_3(3, &string1, &int1, &bool1));
DCHECK_EQ("1_3", string1);
DCHECK_EQ(13, int1);
DCHECK(!bool1);
bool1 = false;
Send(new Msg_C_2_1(1, false, &bool1));
DCHECK(bool1);
bool1 = false;
Send(new Msg_C_2_2(false, 2, &bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(22, int1);
bool1 = true;
Send(new Msg_C_2_3(3, true, &string1, &int1, &bool1));
DCHECK_EQ("2_3", string1);
DCHECK_EQ(23, int1);
DCHECK(!bool1);
bool1 = false;
Send(new Msg_C_3_1(1, false, "3_1", &bool1));
DCHECK(bool1);
bool1 = false;
Send(new Msg_C_3_2("3_2", false, 2, &bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(32, int1);
bool1 = true;
Send(new Msg_C_3_3(3, "3_3", true, &string1, &int1, &bool1));
DCHECK_EQ("3_3", string1);
DCHECK_EQ(33, int1);
DCHECK(!bool1);
bool1 = false;
bool bool2 = true;
Send(new Msg_C_3_4(true, 3, "3_4", &int1, &bool1, &string1, &bool2));
DCHECK_EQ(34, int1);
DCHECK(bool1);
DCHECK_EQ("3_4", string1);
DCHECK(!bool2);
// Routed messages, just a copy of the above but with extra routing paramater
Send(new Msg_R_0_1(0, &bool1));
DCHECK(!bool1);
Send(new Msg_R_0_2(0, &bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(2, int1);
Send(new Msg_R_0_3(0, &bool1, &int1, &string1));
DCHECK(!bool1);
DCHECK_EQ(3, int1);
DCHECK_EQ("0_3", string1);
bool1 = false;
Send(new Msg_R_1_1(0, 1, &bool1));
DCHECK(bool1);
bool1 = false;
Send(new Msg_R_1_2(0, false, &bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(12, int1);
bool1 = true;
Send(new Msg_R_1_3(0, 3, &string1, &int1, &bool1));
DCHECK_EQ("1_3", string1);
DCHECK_EQ(13, int1);
DCHECK(!bool1);
bool1 = false;
Send(new Msg_R_2_1(0, 1, false, &bool1));
DCHECK(bool1);
bool1 = false;
Send(new Msg_R_2_2(0, false, 2, &bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(22, int1);
bool1 = true;
Send(new Msg_R_2_3(0, 3, true, &string1, &int1, &bool1));
DCHECK(!bool1);
DCHECK_EQ("2_3", string1);
DCHECK_EQ(23, int1);
bool1 = false;
Send(new Msg_R_3_1(0, 1, false, "3_1", &bool1));
DCHECK(bool1);
bool1 = false;
Send(new Msg_R_3_2(0, "3_2", false, 2, &bool1, &int1));
DCHECK(bool1);
DCHECK_EQ(32, int1);
bool1 = true;
Send(new Msg_R_3_3(0, 3, "3_3", true, &string1, &int1, &bool1));
DCHECK_EQ("3_3", string1);
DCHECK_EQ(33, int1);
DCHECK(!bool1);
}
} // namespace
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