1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 #include <string> 32 33 #include <google/protobuf/unittest_no_field_presence.pb.h> 34 #include <google/protobuf/unittest.pb.h> 35 #include <google/protobuf/descriptor.pb.h> 36 #include <google/protobuf/descriptor.h> 37 #include <gtest/gtest.h> 38 39 namespace google { 40 namespace protobuf { 41 namespace { 42 43 // Helper: checks that all fields have default (zero/empty) values. 44 void CheckDefaultValues( 45 const proto2_nofieldpresence_unittest::TestAllTypes& m) { 46 EXPECT_EQ(0, m.optional_int32()); 47 EXPECT_EQ(0, m.optional_int64()); 48 EXPECT_EQ(0, m.optional_uint32()); 49 EXPECT_EQ(0, m.optional_uint64()); 50 EXPECT_EQ(0, m.optional_sint32()); 51 EXPECT_EQ(0, m.optional_sint64()); 52 EXPECT_EQ(0, m.optional_fixed32()); 53 EXPECT_EQ(0, m.optional_fixed64()); 54 EXPECT_EQ(0, m.optional_sfixed32()); 55 EXPECT_EQ(0, m.optional_sfixed64()); 56 EXPECT_EQ(0, m.optional_float()); 57 EXPECT_EQ(0, m.optional_double()); 58 EXPECT_EQ(false, m.optional_bool()); 59 EXPECT_EQ(0, m.optional_string().size()); 60 EXPECT_EQ(0, m.optional_bytes().size()); 61 62 EXPECT_EQ(false, m.has_optional_nested_message()); 63 // accessor for message fields returns default instance when not present 64 EXPECT_EQ(0, m.optional_nested_message().bb()); 65 EXPECT_EQ(false, m.has_optional_proto2_message()); 66 // Embedded proto2 messages still have proto2 semantics, e.g. non-zero default 67 // values. Here the submessage is not present but its accessor returns the 68 // default instance. 69 EXPECT_EQ(41, m.optional_proto2_message().default_int32()); 70 EXPECT_EQ(false, m.has_optional_foreign_message()); 71 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_FOO, 72 m.optional_nested_enum()); 73 EXPECT_EQ(proto2_nofieldpresence_unittest::FOREIGN_FOO, 74 m.optional_foreign_enum()); 75 76 77 EXPECT_EQ(0, m.repeated_int32_size()); 78 EXPECT_EQ(0, m.repeated_int64_size()); 79 EXPECT_EQ(0, m.repeated_uint32_size()); 80 EXPECT_EQ(0, m.repeated_uint64_size()); 81 EXPECT_EQ(0, m.repeated_sint32_size()); 82 EXPECT_EQ(0, m.repeated_sint64_size()); 83 EXPECT_EQ(0, m.repeated_fixed32_size()); 84 EXPECT_EQ(0, m.repeated_fixed64_size()); 85 EXPECT_EQ(0, m.repeated_sfixed32_size()); 86 EXPECT_EQ(0, m.repeated_sfixed64_size()); 87 EXPECT_EQ(0, m.repeated_float_size()); 88 EXPECT_EQ(0, m.repeated_double_size()); 89 EXPECT_EQ(0, m.repeated_bool_size()); 90 EXPECT_EQ(0, m.repeated_string_size()); 91 EXPECT_EQ(0, m.repeated_bytes_size()); 92 EXPECT_EQ(0, m.repeated_nested_message_size()); 93 EXPECT_EQ(0, m.repeated_foreign_message_size()); 94 EXPECT_EQ(0, m.repeated_proto2_message_size()); 95 EXPECT_EQ(0, m.repeated_nested_enum_size()); 96 EXPECT_EQ(0, m.repeated_foreign_enum_size()); 97 EXPECT_EQ(0, m.repeated_lazy_message_size()); 98 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::ONEOF_FIELD_NOT_SET, 99 m.oneof_field_case()); 100 } 101 102 void FillValues(proto2_nofieldpresence_unittest::TestAllTypes* m) { 103 m->set_optional_int32(100); 104 m->set_optional_int64(101); 105 m->set_optional_uint32(102); 106 m->set_optional_uint64(103); 107 m->set_optional_sint32(104); 108 m->set_optional_sint64(105); 109 m->set_optional_fixed32(106); 110 m->set_optional_fixed64(107); 111 m->set_optional_sfixed32(108); 112 m->set_optional_sfixed64(109); 113 m->set_optional_float(110.0); 114 m->set_optional_double(111.0); 115 m->set_optional_bool(true); 116 m->set_optional_string("asdf"); 117 m->set_optional_bytes("jkl;"); 118 m->mutable_optional_nested_message()->set_bb(42); 119 m->mutable_optional_foreign_message()->set_c(43); 120 m->mutable_optional_proto2_message()->set_optional_int32(44); 121 m->set_optional_nested_enum( 122 proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ); 123 m->set_optional_foreign_enum( 124 proto2_nofieldpresence_unittest::FOREIGN_BAZ); 125 m->mutable_optional_lazy_message()->set_bb(45); 126 m->add_repeated_int32(100); 127 m->add_repeated_int64(101); 128 m->add_repeated_uint32(102); 129 m->add_repeated_uint64(103); 130 m->add_repeated_sint32(104); 131 m->add_repeated_sint64(105); 132 m->add_repeated_fixed32(106); 133 m->add_repeated_fixed64(107); 134 m->add_repeated_sfixed32(108); 135 m->add_repeated_sfixed64(109); 136 m->add_repeated_float(110.0); 137 m->add_repeated_double(111.0); 138 m->add_repeated_bool(true); 139 m->add_repeated_string("asdf"); 140 m->add_repeated_bytes("jkl;"); 141 m->add_repeated_nested_message()->set_bb(46); 142 m->add_repeated_foreign_message()->set_c(47); 143 m->add_repeated_proto2_message()->set_optional_int32(48); 144 m->add_repeated_nested_enum( 145 proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ); 146 m->add_repeated_foreign_enum( 147 proto2_nofieldpresence_unittest::FOREIGN_BAZ); 148 m->add_repeated_lazy_message()->set_bb(49); 149 150 m->set_oneof_uint32(1); 151 m->mutable_oneof_nested_message()->set_bb(50); 152 m->set_oneof_string("test"); // only this one remains set 153 } 154 155 void CheckNonDefaultValues( 156 const proto2_nofieldpresence_unittest::TestAllTypes& m) { 157 EXPECT_EQ(100, m.optional_int32()); 158 EXPECT_EQ(101, m.optional_int64()); 159 EXPECT_EQ(102, m.optional_uint32()); 160 EXPECT_EQ(103, m.optional_uint64()); 161 EXPECT_EQ(104, m.optional_sint32()); 162 EXPECT_EQ(105, m.optional_sint64()); 163 EXPECT_EQ(106, m.optional_fixed32()); 164 EXPECT_EQ(107, m.optional_fixed64()); 165 EXPECT_EQ(108, m.optional_sfixed32()); 166 EXPECT_EQ(109, m.optional_sfixed64()); 167 EXPECT_EQ(110.0, m.optional_float()); 168 EXPECT_EQ(111.0, m.optional_double()); 169 EXPECT_EQ(true, m.optional_bool()); 170 EXPECT_EQ("asdf", m.optional_string()); 171 EXPECT_EQ("jkl;", m.optional_bytes()); 172 EXPECT_EQ(true, m.has_optional_nested_message()); 173 EXPECT_EQ(42, m.optional_nested_message().bb()); 174 EXPECT_EQ(true, m.has_optional_foreign_message()); 175 EXPECT_EQ(43, m.optional_foreign_message().c()); 176 EXPECT_EQ(true, m.has_optional_proto2_message()); 177 EXPECT_EQ(44, m.optional_proto2_message().optional_int32()); 178 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ, 179 m.optional_nested_enum()); 180 EXPECT_EQ(proto2_nofieldpresence_unittest::FOREIGN_BAZ, 181 m.optional_foreign_enum()); 182 EXPECT_EQ(true, m.has_optional_lazy_message()); 183 EXPECT_EQ(45, m.optional_lazy_message().bb()); 184 185 EXPECT_EQ(1, m.repeated_int32_size()); 186 EXPECT_EQ(100, m.repeated_int32(0)); 187 EXPECT_EQ(1, m.repeated_int64_size()); 188 EXPECT_EQ(101, m.repeated_int64(0)); 189 EXPECT_EQ(1, m.repeated_uint32_size()); 190 EXPECT_EQ(102, m.repeated_uint32(0)); 191 EXPECT_EQ(1, m.repeated_uint64_size()); 192 EXPECT_EQ(103, m.repeated_uint64(0)); 193 EXPECT_EQ(1, m.repeated_sint32_size()); 194 EXPECT_EQ(104, m.repeated_sint32(0)); 195 EXPECT_EQ(1, m.repeated_sint64_size()); 196 EXPECT_EQ(105, m.repeated_sint64(0)); 197 EXPECT_EQ(1, m.repeated_fixed32_size()); 198 EXPECT_EQ(106, m.repeated_fixed32(0)); 199 EXPECT_EQ(1, m.repeated_fixed64_size()); 200 EXPECT_EQ(107, m.repeated_fixed64(0)); 201 EXPECT_EQ(1, m.repeated_sfixed32_size()); 202 EXPECT_EQ(108, m.repeated_sfixed32(0)); 203 EXPECT_EQ(1, m.repeated_sfixed64_size()); 204 EXPECT_EQ(109, m.repeated_sfixed64(0)); 205 EXPECT_EQ(1, m.repeated_float_size()); 206 EXPECT_EQ(110.0, m.repeated_float(0)); 207 EXPECT_EQ(1, m.repeated_double_size()); 208 EXPECT_EQ(111.0, m.repeated_double(0)); 209 EXPECT_EQ(1, m.repeated_bool_size()); 210 EXPECT_EQ(true, m.repeated_bool(0)); 211 EXPECT_EQ(1, m.repeated_string_size()); 212 EXPECT_EQ("asdf", m.repeated_string(0)); 213 EXPECT_EQ(1, m.repeated_bytes_size()); 214 EXPECT_EQ("jkl;", m.repeated_bytes(0)); 215 EXPECT_EQ(1, m.repeated_nested_message_size()); 216 EXPECT_EQ(46, m.repeated_nested_message(0).bb()); 217 EXPECT_EQ(1, m.repeated_foreign_message_size()); 218 EXPECT_EQ(47, m.repeated_foreign_message(0).c()); 219 EXPECT_EQ(1, m.repeated_proto2_message_size()); 220 EXPECT_EQ(48, m.repeated_proto2_message(0).optional_int32()); 221 EXPECT_EQ(1, m.repeated_nested_enum_size()); 222 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ, 223 m.repeated_nested_enum(0)); 224 EXPECT_EQ(1, m.repeated_foreign_enum_size()); 225 EXPECT_EQ(proto2_nofieldpresence_unittest::FOREIGN_BAZ, 226 m.repeated_foreign_enum(0)); 227 EXPECT_EQ(1, m.repeated_lazy_message_size()); 228 EXPECT_EQ(49, m.repeated_lazy_message(0).bb()); 229 230 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofString, 231 m.oneof_field_case()); 232 EXPECT_EQ("test", m.oneof_string()); 233 } 234 235 TEST(NoFieldPresenceTest, BasicMessageTest) { 236 proto2_nofieldpresence_unittest::TestAllTypes message; 237 // Check default values, fill all fields, check values. We just want to 238 // exercise the basic getters/setter paths here to make sure no 239 // field-presence-related changes broke these. 240 CheckDefaultValues(message); 241 FillValues(&message); 242 CheckNonDefaultValues(message); 243 244 // Clear() should be equivalent to getting a freshly-constructed message. 245 message.Clear(); 246 CheckDefaultValues(message); 247 } 248 249 TEST(NoFieldPresenceTest, MessageFieldPresenceTest) { 250 // check that presence still works properly for message fields. 251 proto2_nofieldpresence_unittest::TestAllTypes message; 252 EXPECT_EQ(false, message.has_optional_nested_message()); 253 // Getter should fetch default instance, and not cause the field to become 254 // present. 255 EXPECT_EQ(0, message.optional_nested_message().bb()); 256 EXPECT_EQ(false, message.has_optional_nested_message()); 257 message.mutable_optional_nested_message()->set_bb(42); 258 EXPECT_EQ(true, message.has_optional_nested_message()); 259 message.clear_optional_nested_message(); 260 EXPECT_EQ(false, message.has_optional_nested_message()); 261 262 // Likewise for a lazy message field. 263 EXPECT_EQ(false, message.has_optional_lazy_message()); 264 // Getter should fetch default instance, and not cause the field to become 265 // present. 266 EXPECT_EQ(0, message.optional_lazy_message().bb()); 267 EXPECT_EQ(false, message.has_optional_lazy_message()); 268 message.mutable_optional_lazy_message()->set_bb(42); 269 EXPECT_EQ(true, message.has_optional_lazy_message()); 270 message.clear_optional_lazy_message(); 271 EXPECT_EQ(false, message.has_optional_lazy_message()); 272 273 // Test field presence of a message field on the default instance. 274 EXPECT_EQ(false, proto2_nofieldpresence_unittest::TestAllTypes:: 275 default_instance().has_optional_nested_message()); 276 } 277 278 TEST(NoFieldPresenceTest, ReflectionHasFieldTest) { 279 // check that HasField reports true on all scalar fields. Check that it 280 // behaves properly for message fields. 281 282 proto2_nofieldpresence_unittest::TestAllTypes message; 283 const google::protobuf::Reflection* r = message.GetReflection(); 284 const google::protobuf::Descriptor* desc = message.GetDescriptor(); 285 286 // Check initial state: scalars not present (due to need to be consistent with 287 // MergeFrom()), message fields not present, oneofs not present. 288 for (int i = 0; i < desc->field_count(); i++) { 289 const google::protobuf::FieldDescriptor* field = desc->field(i); 290 if (field->is_repeated()) continue; 291 EXPECT_EQ(false, r->HasField(message, field)); 292 } 293 294 // Test field presence of a message field on the default instance. 295 const google::protobuf::FieldDescriptor* msg_field = 296 desc->FindFieldByName("optional_nested_message"); 297 EXPECT_EQ(false, r->HasField( 298 proto2_nofieldpresence_unittest::TestAllTypes:: 299 default_instance(), msg_field)); 300 301 // Fill all fields, expect everything to report true (check oneofs below). 302 FillValues(&message); 303 for (int i = 0; i < desc->field_count(); i++) { 304 const google::protobuf::FieldDescriptor* field = desc->field(i); 305 if (field->is_repeated() || field->containing_oneof()) { 306 continue; 307 } 308 if (field->options().ctype() != google::protobuf::FieldOptions::STRING) { 309 continue; 310 } 311 EXPECT_EQ(true, r->HasField(message, field)); 312 } 313 314 message.Clear(); 315 316 // Check zero/empty-means-not-present semantics. 317 const google::protobuf::FieldDescriptor* field_int32 = desc->FindFieldByName( 318 "optional_int32"); 319 const google::protobuf::FieldDescriptor* field_double = desc->FindFieldByName( 320 "optional_double"); 321 const google::protobuf::FieldDescriptor* field_string = desc->FindFieldByName( 322 "optional_string"); 323 324 EXPECT_EQ(false, r->HasField(message, field_int32)); 325 EXPECT_EQ(false, r->HasField(message, field_double)); 326 EXPECT_EQ(false, r->HasField(message, field_string)); 327 328 message.set_optional_int32(42); 329 EXPECT_EQ(true, r->HasField(message, field_int32)); 330 message.set_optional_int32(0); 331 EXPECT_EQ(false, r->HasField(message, field_int32)); 332 333 message.set_optional_double(42.0); 334 EXPECT_EQ(true, r->HasField(message, field_double)); 335 message.set_optional_double(0.0); 336 EXPECT_EQ(false, r->HasField(message, field_double)); 337 338 message.set_optional_string("test"); 339 EXPECT_EQ(true, r->HasField(message, field_string)); 340 message.set_optional_string(""); 341 EXPECT_EQ(false, r->HasField(message, field_string)); 342 } 343 344 TEST(NoFieldPresenceTest, ReflectionClearFieldTest) { 345 proto2_nofieldpresence_unittest::TestAllTypes message; 346 347 const google::protobuf::Reflection* r = message.GetReflection(); 348 const google::protobuf::Descriptor* desc = message.GetDescriptor(); 349 350 const google::protobuf::FieldDescriptor* field_int32 = desc->FindFieldByName( 351 "optional_int32"); 352 const google::protobuf::FieldDescriptor* field_double = desc->FindFieldByName( 353 "optional_double"); 354 const google::protobuf::FieldDescriptor* field_string = desc->FindFieldByName( 355 "optional_string"); 356 const google::protobuf::FieldDescriptor* field_message = desc->FindFieldByName( 357 "optional_nested_message"); 358 const google::protobuf::FieldDescriptor* field_lazy = desc->FindFieldByName( 359 "optional_lazy_message"); 360 361 message.set_optional_int32(42); 362 r->ClearField(&message, field_int32); 363 EXPECT_EQ(0, message.optional_int32()); 364 365 message.set_optional_double(42.0); 366 r->ClearField(&message, field_double); 367 EXPECT_EQ(0.0, message.optional_double()); 368 369 message.set_optional_string("test"); 370 r->ClearField(&message, field_string); 371 EXPECT_EQ("", message.optional_string()); 372 373 message.mutable_optional_nested_message()->set_bb(1234); 374 r->ClearField(&message, field_message); 375 EXPECT_FALSE(message.has_optional_nested_message()); 376 EXPECT_EQ(0, message.optional_nested_message().bb()); 377 378 message.mutable_optional_lazy_message()->set_bb(42); 379 r->ClearField(&message, field_lazy); 380 EXPECT_FALSE(message.has_optional_lazy_message()); 381 EXPECT_EQ(0, message.optional_lazy_message().bb()); 382 } 383 384 TEST(NoFieldPresenceTest, HasFieldOneofsTest) { 385 // check that HasField behaves properly for oneofs. 386 proto2_nofieldpresence_unittest::TestAllTypes message; 387 388 const google::protobuf::Reflection* r = message.GetReflection(); 389 const google::protobuf::Descriptor* desc = message.GetDescriptor(); 390 const google::protobuf::FieldDescriptor* desc_oneof_uint32 = 391 desc->FindFieldByName("oneof_uint32"); 392 const google::protobuf::FieldDescriptor* desc_oneof_nested_message = 393 desc->FindFieldByName("oneof_nested_message"); 394 const google::protobuf::FieldDescriptor* desc_oneof_string = 395 desc->FindFieldByName("oneof_string"); 396 GOOGLE_CHECK_NOTNULL(desc_oneof_uint32); 397 GOOGLE_CHECK_NOTNULL(desc_oneof_nested_message); 398 GOOGLE_CHECK_NOTNULL(desc_oneof_string); 399 400 EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); 401 EXPECT_EQ(false, r->HasField(message, desc_oneof_nested_message)); 402 EXPECT_EQ(false, r->HasField(message, desc_oneof_string)); 403 404 message.set_oneof_string("test"); 405 EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); 406 EXPECT_EQ(false, r->HasField(message, desc_oneof_nested_message)); 407 EXPECT_EQ(true, r->HasField(message, desc_oneof_string)); 408 message.mutable_oneof_nested_message()->set_bb(42); 409 EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); 410 EXPECT_EQ(true, r->HasField(message, desc_oneof_nested_message)); 411 EXPECT_EQ(false, r->HasField(message, desc_oneof_string)); 412 413 message.Clear(); 414 EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); 415 EXPECT_EQ(false, r->HasField(message, desc_oneof_nested_message)); 416 EXPECT_EQ(false, r->HasField(message, desc_oneof_string)); 417 } 418 419 TEST(NoFieldPresenceTest, DontSerializeDefaultValuesTest) { 420 // check that serialized data contains only non-zero numeric fields/non-empty 421 // string/byte fields. 422 proto2_nofieldpresence_unittest::TestAllTypes message; 423 string output; 424 425 // All default values -> no output. 426 message.SerializeToString(&output); 427 EXPECT_EQ(0, output.size()); 428 429 // Zero values -> still no output. 430 message.set_optional_int32(0); 431 message.set_optional_int64(0); 432 message.set_optional_uint32(0); 433 message.set_optional_uint64(0); 434 message.set_optional_sint32(0); 435 message.set_optional_sint64(0); 436 message.set_optional_fixed32(0); 437 message.set_optional_fixed64(0); 438 message.set_optional_sfixed32(0); 439 message.set_optional_sfixed64(0); 440 message.set_optional_float(0); 441 message.set_optional_double(0); 442 message.set_optional_bool(0); 443 message.set_optional_string(""); 444 message.set_optional_bytes(""); 445 message.set_optional_nested_enum( 446 proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_FOO); // first enum entry 447 message.set_optional_foreign_enum( 448 proto2_nofieldpresence_unittest::FOREIGN_FOO); // first enum entry 449 450 message.SerializeToString(&output); 451 EXPECT_EQ(0, output.size()); 452 453 message.set_optional_int32(1); 454 message.SerializeToString(&output); 455 EXPECT_EQ(2, output.size()); 456 EXPECT_EQ("\x08\x01", output); 457 458 message.set_optional_int32(0); 459 message.SerializeToString(&output); 460 EXPECT_EQ(0, output.size()); 461 } 462 463 TEST(NoFieldPresenceTest, MergeFromIfNonzeroTest) { 464 // check that MergeFrom copies if nonzero/nondefault only. 465 proto2_nofieldpresence_unittest::TestAllTypes source; 466 proto2_nofieldpresence_unittest::TestAllTypes dest; 467 468 dest.set_optional_int32(42); 469 dest.set_optional_string("test"); 470 source.set_optional_int32(0); 471 source.set_optional_string(""); 472 // MergeFrom() copies only if present in serialization, i.e., non-zero. 473 dest.MergeFrom(source); 474 EXPECT_EQ(42, dest.optional_int32()); 475 EXPECT_EQ("test", dest.optional_string()); 476 477 source.set_optional_int32(84); 478 source.set_optional_string("test2"); 479 dest.MergeFrom(source); 480 EXPECT_EQ(84, dest.optional_int32()); 481 EXPECT_EQ("test2", dest.optional_string()); 482 } 483 484 TEST(NoFieldPresenceTest, IsInitializedTest) { 485 // Check that IsInitialized works properly. 486 proto2_nofieldpresence_unittest::TestProto2Required message; 487 488 EXPECT_EQ(true, message.IsInitialized()); 489 message.mutable_proto2()->set_a(1); 490 EXPECT_EQ(false, message.IsInitialized()); 491 message.mutable_proto2()->set_b(1); 492 EXPECT_EQ(false, message.IsInitialized()); 493 message.mutable_proto2()->set_c(1); 494 EXPECT_EQ(true, message.IsInitialized()); 495 } 496 497 TEST(NoFieldPresenceTest, LazyMessageFieldHasBit) { 498 // Check that has-bit interaction with lazy message works (has-bit before and 499 // after lazy decode). 500 proto2_nofieldpresence_unittest::TestAllTypes message; 501 const google::protobuf::Reflection* r = message.GetReflection(); 502 const google::protobuf::Descriptor* desc = message.GetDescriptor(); 503 const google::protobuf::FieldDescriptor* field = desc->FindFieldByName( 504 "optional_lazy_message"); 505 GOOGLE_CHECK_NOTNULL(field); 506 507 EXPECT_EQ(false, message.has_optional_lazy_message()); 508 EXPECT_EQ(false, r->HasField(message, field)); 509 510 message.mutable_optional_lazy_message()->set_bb(42); 511 EXPECT_EQ(true, message.has_optional_lazy_message()); 512 EXPECT_EQ(true, r->HasField(message, field)); 513 514 // Serialize and parse with a new message object so that lazy field on new 515 // object is in unparsed state. 516 string output; 517 message.SerializeToString(&output); 518 proto2_nofieldpresence_unittest::TestAllTypes message2; 519 message2.ParseFromString(output); 520 521 EXPECT_EQ(true, message2.has_optional_lazy_message()); 522 EXPECT_EQ(true, r->HasField(message2, field)); 523 524 // Access field to force lazy parse. 525 EXPECT_EQ(42, message.optional_lazy_message().bb()); 526 EXPECT_EQ(true, message2.has_optional_lazy_message()); 527 EXPECT_EQ(true, r->HasField(message2, field)); 528 } 529 530 TEST(NoFieldPresenceTest, OneofPresence) { 531 proto2_nofieldpresence_unittest::TestAllTypes message; 532 // oneof fields still have field presence -- ensure that this goes on the wire 533 // even though its value is the empty string. 534 message.set_oneof_string(""); 535 string serialized; 536 message.SerializeToString(&serialized); 537 // Tag: 113 --> tag is (113 << 3) | 2 (length delimited) = 906 538 // varint: 0x8a 0x07 539 // Length: 0x00 540 EXPECT_EQ(3, serialized.size()); 541 EXPECT_EQ(static_cast<char>(0x8a), serialized.at(0)); 542 EXPECT_EQ(static_cast<char>(0x07), serialized.at(1)); 543 EXPECT_EQ(static_cast<char>(0x00), serialized.at(2)); 544 545 message.Clear(); 546 EXPECT_TRUE(message.ParseFromString(serialized)); 547 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofString, 548 message.oneof_field_case()); 549 550 // Also test int32 and enum fields. 551 message.Clear(); 552 message.set_oneof_uint32(0); // would not go on wire if ordinary field. 553 message.SerializeToString(&serialized); 554 EXPECT_EQ(3, serialized.size()); 555 EXPECT_TRUE(message.ParseFromString(serialized)); 556 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofUint32, 557 message.oneof_field_case()); 558 559 message.Clear(); 560 message.set_oneof_enum(proto2_nofieldpresence_unittest:: 561 TestAllTypes_NestedEnum_FOO); // default value. 562 message.SerializeToString(&serialized); 563 EXPECT_EQ(3, serialized.size()); 564 EXPECT_TRUE(message.ParseFromString(serialized)); 565 EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofEnum, 566 message.oneof_field_case()); 567 568 message.Clear(); 569 message.set_oneof_string("test"); 570 message.clear_oneof_string(); 571 EXPECT_EQ(0, message.ByteSize()); 572 } 573 574 } // namespace 575 } // namespace protobuf 576 577 } // namespace google 578
