1 // Copyright (c) 2011 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 // Unit test to make sure that the serialization of synchronous IPC messages 6 // works. This ensures that the macros and templates were defined correctly. 7 // Doesn't test the IPC channel mechanism. 8 9 #include <string.h> 10 11 #include "base/basictypes.h" 12 #include "ipc/ipc_message.h" 13 #include "ipc/ipc_message_utils.h" 14 #include "base/logging.h" 15 #include "testing/gtest/include/gtest/gtest.h" 16 17 #define IPC_MESSAGE_IMPL 18 #include "ipc/ipc_sync_message_unittest.h" 19 20 namespace { 21 22 static IPC::Message* g_reply; 23 24 class TestMessageReceiver { 25 public: 26 27 void On_0_1(bool* out1) { 28 *out1 = false; 29 } 30 31 void On_0_2(bool* out1, int* out2) { 32 *out1 = true; 33 *out2 = 2; 34 } 35 36 void On_0_3(bool* out1, int* out2, std::string* out3) { 37 *out1 = false; 38 *out2 = 3; 39 *out3 = "0_3"; 40 } 41 42 void On_1_1(int in1, bool* out1) { 43 DCHECK_EQ(1, in1); 44 *out1 = true; 45 } 46 47 void On_1_2(bool in1, bool* out1, int* out2) { 48 DCHECK(!in1); 49 *out1 = true; 50 *out2 = 12; 51 } 52 53 void On_1_3(int in1, std::string* out1, int* out2, bool* out3) { 54 DCHECK_EQ(3, in1); 55 *out1 = "1_3"; 56 *out2 = 13; 57 *out3 = false; 58 } 59 60 void On_2_1(int in1, bool in2, bool* out1) { 61 DCHECK_EQ(1, in1); 62 DCHECK(!in2); 63 *out1 = true; 64 } 65 66 void On_2_2(bool in1, int in2, bool* out1, int* out2) { 67 DCHECK(!in1); 68 DCHECK_EQ(2, in2); 69 *out1 = true; 70 *out2 = 22; 71 } 72 73 void On_2_3(int in1, bool in2, std::string* out1, int* out2, bool* out3) { 74 DCHECK_EQ(3, in1); 75 DCHECK(in2); 76 *out1 = "2_3"; 77 *out2 = 23; 78 *out3 = false; 79 } 80 81 void On_3_1(int in1, bool in2, std::string in3, bool* out1) { 82 DCHECK_EQ(1, in1); 83 DCHECK(!in2); 84 DCHECK_EQ("3_1", in3); 85 *out1 = true; 86 } 87 88 void On_3_2(std::string in1, bool in2, int in3, bool* out1, int* out2) { 89 DCHECK_EQ("3_2", in1); 90 DCHECK(!in2); 91 DCHECK_EQ(2, in3); 92 *out1 = true; 93 *out2 = 32; 94 } 95 96 void On_3_3(int in1, std::string in2, bool in3, std::string* out1, int* out2, 97 bool* out3) { 98 DCHECK_EQ(3, in1); 99 DCHECK_EQ("3_3", in2); 100 DCHECK(in3); 101 *out1 = "3_3"; 102 *out2 = 33; 103 *out3 = false; 104 } 105 106 void On_3_4(bool in1, int in2, std::string in3, int* out1, bool* out2, 107 std::string* out3, bool* out4) { 108 DCHECK(in1); 109 DCHECK_EQ(3, in2); 110 DCHECK_EQ("3_4", in3); 111 *out1 = 34; 112 *out2 = true; 113 *out3 = "3_4"; 114 *out4 = false; 115 } 116 117 bool Send(IPC::Message* message) { 118 // gets the reply message, stash in global 119 DCHECK(g_reply == NULL); 120 g_reply = message; 121 return true; 122 } 123 124 bool OnMessageReceived(const IPC::Message& msg) { 125 IPC_BEGIN_MESSAGE_MAP(TestMessageReceiver, msg) 126 IPC_MESSAGE_HANDLER(Msg_C_0_1, On_0_1) 127 IPC_MESSAGE_HANDLER(Msg_C_0_2, On_0_2) 128 IPC_MESSAGE_HANDLER(Msg_C_0_3, On_0_3) 129 IPC_MESSAGE_HANDLER(Msg_C_1_1, On_1_1) 130 IPC_MESSAGE_HANDLER(Msg_C_1_2, On_1_2) 131 IPC_MESSAGE_HANDLER(Msg_C_1_3, On_1_3) 132 IPC_MESSAGE_HANDLER(Msg_C_2_1, On_2_1) 133 IPC_MESSAGE_HANDLER(Msg_C_2_2, On_2_2) 134 IPC_MESSAGE_HANDLER(Msg_C_2_3, On_2_3) 135 IPC_MESSAGE_HANDLER(Msg_C_3_1, On_3_1) 136 IPC_MESSAGE_HANDLER(Msg_C_3_2, On_3_2) 137 IPC_MESSAGE_HANDLER(Msg_C_3_3, On_3_3) 138 IPC_MESSAGE_HANDLER(Msg_C_3_4, On_3_4) 139 IPC_MESSAGE_HANDLER(Msg_R_0_1, On_0_1) 140 IPC_MESSAGE_HANDLER(Msg_R_0_2, On_0_2) 141 IPC_MESSAGE_HANDLER(Msg_R_0_3, On_0_3) 142 IPC_MESSAGE_HANDLER(Msg_R_1_1, On_1_1) 143 IPC_MESSAGE_HANDLER(Msg_R_1_2, On_1_2) 144 IPC_MESSAGE_HANDLER(Msg_R_1_3, On_1_3) 145 IPC_MESSAGE_HANDLER(Msg_R_2_1, On_2_1) 146 IPC_MESSAGE_HANDLER(Msg_R_2_2, On_2_2) 147 IPC_MESSAGE_HANDLER(Msg_R_2_3, On_2_3) 148 IPC_MESSAGE_HANDLER(Msg_R_3_1, On_3_1) 149 IPC_MESSAGE_HANDLER(Msg_R_3_2, On_3_2) 150 IPC_MESSAGE_HANDLER(Msg_R_3_3, On_3_3) 151 IPC_MESSAGE_HANDLER(Msg_R_3_4, On_3_4) 152 IPC_END_MESSAGE_MAP() 153 return true; 154 } 155 156 }; 157 158 void Send(IPC::SyncMessage* msg) { 159 static TestMessageReceiver receiver; 160 161 IPC::MessageReplyDeserializer* reply_serializer = msg->GetReplyDeserializer(); 162 DCHECK(reply_serializer != NULL); 163 164 // "send" the message 165 receiver.OnMessageReceived(*msg); 166 delete msg; 167 168 // get the reply message from the global, and deserialize the output 169 // parameters into the output pointers. 170 DCHECK(g_reply != NULL); 171 bool result = reply_serializer->SerializeOutputParameters(*g_reply); 172 DCHECK(result); 173 delete g_reply; 174 g_reply = NULL; 175 delete reply_serializer; 176 } 177 178 TEST(IPCSyncMessageTest, Main) { 179 bool bool1 = true; 180 int int1 = 0; 181 std::string string1; 182 183 Send(new Msg_C_0_1(&bool1)); 184 DCHECK(!bool1); 185 186 Send(new Msg_C_0_2(&bool1, &int1)); 187 DCHECK(bool1); 188 DCHECK_EQ(2, int1); 189 190 Send(new Msg_C_0_3(&bool1, &int1, &string1)); 191 DCHECK(!bool1); 192 DCHECK_EQ(3, int1); 193 DCHECK_EQ("0_3", string1); 194 195 bool1 = false; 196 Send(new Msg_C_1_1(1, &bool1)); 197 DCHECK(bool1); 198 199 bool1 = false; 200 Send(new Msg_C_1_2(false, &bool1, &int1)); 201 DCHECK(bool1); 202 DCHECK_EQ(12, int1); 203 204 bool1 = true; 205 Send(new Msg_C_1_3(3, &string1, &int1, &bool1)); 206 DCHECK_EQ("1_3", string1); 207 DCHECK_EQ(13, int1); 208 DCHECK(!bool1); 209 210 bool1 = false; 211 Send(new Msg_C_2_1(1, false, &bool1)); 212 DCHECK(bool1); 213 214 bool1 = false; 215 Send(new Msg_C_2_2(false, 2, &bool1, &int1)); 216 DCHECK(bool1); 217 DCHECK_EQ(22, int1); 218 219 bool1 = true; 220 Send(new Msg_C_2_3(3, true, &string1, &int1, &bool1)); 221 DCHECK_EQ("2_3", string1); 222 DCHECK_EQ(23, int1); 223 DCHECK(!bool1); 224 225 bool1 = false; 226 Send(new Msg_C_3_1(1, false, "3_1", &bool1)); 227 DCHECK(bool1); 228 229 bool1 = false; 230 Send(new Msg_C_3_2("3_2", false, 2, &bool1, &int1)); 231 DCHECK(bool1); 232 DCHECK_EQ(32, int1); 233 234 bool1 = true; 235 Send(new Msg_C_3_3(3, "3_3", true, &string1, &int1, &bool1)); 236 DCHECK_EQ("3_3", string1); 237 DCHECK_EQ(33, int1); 238 DCHECK(!bool1); 239 240 bool1 = false; 241 bool bool2 = true; 242 Send(new Msg_C_3_4(true, 3, "3_4", &int1, &bool1, &string1, &bool2)); 243 DCHECK_EQ(34, int1); 244 DCHECK(bool1); 245 DCHECK_EQ("3_4", string1); 246 DCHECK(!bool2); 247 248 // Routed messages, just a copy of the above but with extra routing paramater 249 Send(new Msg_R_0_1(0, &bool1)); 250 DCHECK(!bool1); 251 252 Send(new Msg_R_0_2(0, &bool1, &int1)); 253 DCHECK(bool1); 254 DCHECK_EQ(2, int1); 255 256 Send(new Msg_R_0_3(0, &bool1, &int1, &string1)); 257 DCHECK(!bool1); 258 DCHECK_EQ(3, int1); 259 DCHECK_EQ("0_3", string1); 260 261 bool1 = false; 262 Send(new Msg_R_1_1(0, 1, &bool1)); 263 DCHECK(bool1); 264 265 bool1 = false; 266 Send(new Msg_R_1_2(0, false, &bool1, &int1)); 267 DCHECK(bool1); 268 DCHECK_EQ(12, int1); 269 270 bool1 = true; 271 Send(new Msg_R_1_3(0, 3, &string1, &int1, &bool1)); 272 DCHECK_EQ("1_3", string1); 273 DCHECK_EQ(13, int1); 274 DCHECK(!bool1); 275 276 bool1 = false; 277 Send(new Msg_R_2_1(0, 1, false, &bool1)); 278 DCHECK(bool1); 279 280 bool1 = false; 281 Send(new Msg_R_2_2(0, false, 2, &bool1, &int1)); 282 DCHECK(bool1); 283 DCHECK_EQ(22, int1); 284 285 bool1 = true; 286 Send(new Msg_R_2_3(0, 3, true, &string1, &int1, &bool1)); 287 DCHECK(!bool1); 288 DCHECK_EQ("2_3", string1); 289 DCHECK_EQ(23, int1); 290 291 bool1 = false; 292 Send(new Msg_R_3_1(0, 1, false, "3_1", &bool1)); 293 DCHECK(bool1); 294 295 bool1 = false; 296 Send(new Msg_R_3_2(0, "3_2", false, 2, &bool1, &int1)); 297 DCHECK(bool1); 298 DCHECK_EQ(32, int1); 299 300 bool1 = true; 301 Send(new Msg_R_3_3(0, 3, "3_3", true, &string1, &int1, &bool1)); 302 DCHECK_EQ("3_3", string1); 303 DCHECK_EQ(33, int1); 304 DCHECK(!bool1); 305 } 306 307 } // namespace 308
