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 #include <memory> 33 #ifndef _SHARED_PTR_H 34 #include <google/protobuf/stubs/shared_ptr.h> 35 #endif 36 #include <vector> 37 38 #include <google/protobuf/test_util.h> 39 #include <google/protobuf/unittest.pb.h> 40 #include <google/protobuf/unittest_proto3_arena.pb.h> 41 #include <google/protobuf/arena.h> 42 #include <google/protobuf/testing/googletest.h> 43 #include <gtest/gtest.h> 44 45 namespace google { 46 using proto3_arena_unittest::TestAllTypes; 47 48 namespace protobuf { 49 namespace { 50 // We selectively set/check a few representative fields rather than all fields 51 // as this test is only expected to cover the basics of arena support. 52 void SetAllFields(TestAllTypes* m) { 53 m->set_optional_int32(100); 54 m->set_optional_string("asdf"); 55 m->set_optional_bytes("jkl;"); 56 m->mutable_optional_nested_message()->set_bb(42); 57 m->mutable_optional_foreign_message()->set_c(43); 58 m->set_optional_nested_enum( 59 proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ); 60 m->set_optional_foreign_enum( 61 proto3_arena_unittest::FOREIGN_BAZ); 62 m->mutable_optional_lazy_message()->set_bb(45); 63 m->add_repeated_int32(100); 64 m->add_repeated_string("asdf"); 65 m->add_repeated_bytes("jkl;"); 66 m->add_repeated_nested_message()->set_bb(46); 67 m->add_repeated_foreign_message()->set_c(47); 68 m->add_repeated_nested_enum( 69 proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ); 70 m->add_repeated_foreign_enum( 71 proto3_arena_unittest::FOREIGN_BAZ); 72 m->add_repeated_lazy_message()->set_bb(49); 73 74 m->set_oneof_uint32(1); 75 m->mutable_oneof_nested_message()->set_bb(50); 76 m->set_oneof_string("test"); // only this one remains set 77 } 78 79 void ExpectAllFieldsSet(const TestAllTypes& m) { 80 EXPECT_EQ(100, m.optional_int32()); 81 EXPECT_EQ("asdf", m.optional_string()); 82 EXPECT_EQ("jkl;", m.optional_bytes()); 83 EXPECT_EQ(true, m.has_optional_nested_message()); 84 EXPECT_EQ(42, m.optional_nested_message().bb()); 85 EXPECT_EQ(true, m.has_optional_foreign_message()); 86 EXPECT_EQ(43, m.optional_foreign_message().c()); 87 EXPECT_EQ(proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ, 88 m.optional_nested_enum()); 89 EXPECT_EQ(proto3_arena_unittest::FOREIGN_BAZ, 90 m.optional_foreign_enum()); 91 EXPECT_EQ(true, m.has_optional_lazy_message()); 92 EXPECT_EQ(45, m.optional_lazy_message().bb()); 93 94 EXPECT_EQ(1, m.repeated_int32_size()); 95 EXPECT_EQ(100, m.repeated_int32(0)); 96 EXPECT_EQ(1, m.repeated_string_size()); 97 EXPECT_EQ("asdf", m.repeated_string(0)); 98 EXPECT_EQ(1, m.repeated_bytes_size()); 99 EXPECT_EQ("jkl;", m.repeated_bytes(0)); 100 EXPECT_EQ(1, m.repeated_nested_message_size()); 101 EXPECT_EQ(46, m.repeated_nested_message(0).bb()); 102 EXPECT_EQ(1, m.repeated_foreign_message_size()); 103 EXPECT_EQ(47, m.repeated_foreign_message(0).c()); 104 EXPECT_EQ(1, m.repeated_nested_enum_size()); 105 EXPECT_EQ(proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ, 106 m.repeated_nested_enum(0)); 107 EXPECT_EQ(1, m.repeated_foreign_enum_size()); 108 EXPECT_EQ(proto3_arena_unittest::FOREIGN_BAZ, 109 m.repeated_foreign_enum(0)); 110 EXPECT_EQ(1, m.repeated_lazy_message_size()); 111 EXPECT_EQ(49, m.repeated_lazy_message(0).bb()); 112 113 EXPECT_EQ(proto3_arena_unittest::TestAllTypes::kOneofString, 114 m.oneof_field_case()); 115 EXPECT_EQ("test", m.oneof_string()); 116 } 117 118 // In this file we only test some basic functionalities of arena support in 119 // proto3 and expect the arena support to be fully tested in proto2 unittests 120 // because proto3 shares most code with proto2. 121 122 TEST(Proto3ArenaTest, Parsing) { 123 TestAllTypes original; 124 SetAllFields(&original); 125 126 Arena arena; 127 TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena); 128 arena_message->ParseFromString(original.SerializeAsString()); 129 ExpectAllFieldsSet(*arena_message); 130 } 131 132 TEST(Proto3ArenaTest, UnknownFields) { 133 TestAllTypes original; 134 SetAllFields(&original); 135 136 Arena arena; 137 TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena); 138 arena_message->ParseFromString(original.SerializeAsString()); 139 ExpectAllFieldsSet(*arena_message); 140 141 // In proto3 we can still get a pointer to the UnknownFieldSet through 142 // reflection API. 143 UnknownFieldSet* unknown_fields = 144 arena_message->GetReflection()->MutableUnknownFields(arena_message); 145 // We can modify this UnknownFieldSet. 146 unknown_fields->AddVarint(1, 2); 147 // But the change will never will serialized back. 148 ASSERT_EQ(original.ByteSize(), arena_message->ByteSize()); 149 ASSERT_TRUE( 150 arena_message->GetReflection()->GetUnknownFields(*arena_message).empty()); 151 } 152 153 TEST(Proto3ArenaTest, Swap) { 154 Arena arena1; 155 Arena arena2; 156 157 // Test Swap(). 158 TestAllTypes* arena1_message = Arena::CreateMessage<TestAllTypes>(&arena1); 159 TestAllTypes* arena2_message = Arena::CreateMessage<TestAllTypes>(&arena2); 160 arena1_message->Swap(arena2_message); 161 EXPECT_EQ(&arena1, arena1_message->GetArena()); 162 EXPECT_EQ(&arena2, arena2_message->GetArena()); 163 } 164 165 TEST(Proto3ArenaTest, SetAllocatedMessage) { 166 Arena arena; 167 TestAllTypes *arena_message = Arena::CreateMessage<TestAllTypes>(&arena); 168 TestAllTypes::NestedMessage* nested = new TestAllTypes::NestedMessage; 169 nested->set_bb(118); 170 arena_message->set_allocated_optional_nested_message(nested); 171 EXPECT_EQ(118, arena_message->optional_nested_message().bb()); 172 } 173 174 TEST(Proto3ArenaTest, ReleaseMessage) { 175 Arena arena; 176 TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena); 177 arena_message->mutable_optional_nested_message()->set_bb(118); 178 google::protobuf::scoped_ptr<TestAllTypes::NestedMessage> nested( 179 arena_message->release_optional_nested_message()); 180 EXPECT_EQ(118, nested->bb()); 181 } 182 183 TEST(Proto3ArenaTest, MessageFieldClear) { 184 // GitHub issue #310: https://github.com/google/protobuf/issues/310 185 Arena arena; 186 TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena); 187 arena_message->mutable_optional_nested_message()->set_bb(118); 188 // This should not crash, but prior to the bugfix, it tried to use `operator 189 // delete` the nested message (which is on the arena): 190 arena_message->Clear(); 191 } 192 193 TEST(Proto3ArenaTest, MessageFieldClearViaReflection) { 194 Arena arena; 195 TestAllTypes* message = Arena::CreateMessage<TestAllTypes>(&arena); 196 const Reflection* r = message->GetReflection(); 197 const Descriptor* d = message->GetDescriptor(); 198 const FieldDescriptor* msg_field = d->FindFieldByName( 199 "optional_nested_message"); 200 201 message->mutable_optional_nested_message()->set_bb(1); 202 r->ClearField(message, msg_field); 203 EXPECT_FALSE(message->has_optional_nested_message()); 204 EXPECT_EQ(0, message->optional_nested_message().bb()); 205 } 206 207 } // namespace 208 } // namespace protobuf 209 } // namespace google 210