Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/src/google/protobuf/proto3_arena_unittest.cc

Index: third_party/protobuf/src/google/protobuf/proto3_arena_unittest.cc
diff --git a/third_party/protobuf/src/google/protobuf/proto3_arena_unittest.cc b/third_party/protobuf/src/google/protobuf/proto3_arena_unittest.cc
deleted file mode 100644
index da4be67368744dd7fbcc49ec4b48a51df5f20ea1..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/proto3_arena_unittest.cc
+++ /dev/null
@@ -1,195 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <string>
-#include <memory>
-#ifndef _SHARED_PTR_H
-#include <google/protobuf/stubs/shared_ptr.h>
-#endif
-#include <vector>
-
-#include <google/protobuf/test_util.h>
-#include <google/protobuf/unittest.pb.h>
-#include <google/protobuf/unittest_proto3_arena.pb.h>
-#include <google/protobuf/arena.h>
-#include <google/protobuf/testing/googletest.h>
-#include <gtest/gtest.h>
-
-namespace google {
-using proto3_arena_unittest::TestAllTypes;
-
-namespace protobuf {
-namespace {
-// We selectively set/check a few representative fields rather than all fields
-// as this test is only expected to cover the basics of arena support.
-void SetAllFields(TestAllTypes* m) {
-  m->set_optional_int32(100);
-  m->set_optional_string("asdf");
-  m->set_optional_bytes("jkl;");
-  m->mutable_optional_nested_message()->set_bb(42);
-  m->mutable_optional_foreign_message()->set_c(43);
-  m->set_optional_nested_enum(
-      proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ);
-  m->set_optional_foreign_enum(
-      proto3_arena_unittest::FOREIGN_BAZ);
-  m->mutable_optional_lazy_message()->set_bb(45);
-  m->add_repeated_int32(100);
-  m->add_repeated_string("asdf");
-  m->add_repeated_bytes("jkl;");
-  m->add_repeated_nested_message()->set_bb(46);
-  m->add_repeated_foreign_message()->set_c(47);
-  m->add_repeated_nested_enum(
-      proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ);
-  m->add_repeated_foreign_enum(
-      proto3_arena_unittest::FOREIGN_BAZ);
-  m->add_repeated_lazy_message()->set_bb(49);
-
-  m->set_oneof_uint32(1);
-  m->mutable_oneof_nested_message()->set_bb(50);
-  m->set_oneof_string("test");  // only this one remains set
-}
-
-void ExpectAllFieldsSet(const TestAllTypes& m) {
-  EXPECT_EQ(100, m.optional_int32());
-  EXPECT_EQ("asdf", m.optional_string());
-  EXPECT_EQ("jkl;", m.optional_bytes());
-  EXPECT_EQ(true, m.has_optional_nested_message());
-  EXPECT_EQ(42, m.optional_nested_message().bb());
-  EXPECT_EQ(true, m.has_optional_foreign_message());
-  EXPECT_EQ(43, m.optional_foreign_message().c());
-  EXPECT_EQ(proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ,
-            m.optional_nested_enum());
-  EXPECT_EQ(proto3_arena_unittest::FOREIGN_BAZ,
-            m.optional_foreign_enum());
-  EXPECT_EQ(true, m.has_optional_lazy_message());
-  EXPECT_EQ(45, m.optional_lazy_message().bb());
-
-  EXPECT_EQ(1, m.repeated_int32_size());
-  EXPECT_EQ(100, m.repeated_int32(0));
-  EXPECT_EQ(1, m.repeated_string_size());
-  EXPECT_EQ("asdf", m.repeated_string(0));
-  EXPECT_EQ(1, m.repeated_bytes_size());
-  EXPECT_EQ("jkl;", m.repeated_bytes(0));
-  EXPECT_EQ(1, m.repeated_nested_message_size());
-  EXPECT_EQ(46, m.repeated_nested_message(0).bb());
-  EXPECT_EQ(1, m.repeated_foreign_message_size());
-  EXPECT_EQ(47, m.repeated_foreign_message(0).c());
-  EXPECT_EQ(1, m.repeated_nested_enum_size());
-  EXPECT_EQ(proto3_arena_unittest::TestAllTypes_NestedEnum_BAZ,
-            m.repeated_nested_enum(0));
-  EXPECT_EQ(1, m.repeated_foreign_enum_size());
-  EXPECT_EQ(proto3_arena_unittest::FOREIGN_BAZ,
-            m.repeated_foreign_enum(0));
-  EXPECT_EQ(1, m.repeated_lazy_message_size());
-  EXPECT_EQ(49, m.repeated_lazy_message(0).bb());
-
-  EXPECT_EQ(proto3_arena_unittest::TestAllTypes::kOneofString,
-            m.oneof_field_case());
-  EXPECT_EQ("test", m.oneof_string());
-}
-
-// In this file we only test some basic functionalities of arena support in
-// proto3 and expect the arena support to be fully tested in proto2 unittests
-// because proto3 shares most code with proto2.
-
-TEST(ArenaTest, Parsing) {
-  TestAllTypes original;
-  SetAllFields(&original);
-
-  Arena arena;
-  TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena);
-  arena_message->ParseFromString(original.SerializeAsString());
-  ExpectAllFieldsSet(*arena_message);
-}
-
-TEST(ArenaTest, UnknownFields) {
-  TestAllTypes original;
-  SetAllFields(&original);
-
-  Arena arena;
-  TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena);
-  arena_message->ParseFromString(original.SerializeAsString());
-  ExpectAllFieldsSet(*arena_message);
-
-  // In proto3 we can still get a pointer to the UnknownFieldSet through
-  // reflection API.
-  UnknownFieldSet* unknown_fields =
-      arena_message->GetReflection()->MutableUnknownFields(arena_message);
-  // We can modify this UnknownFieldSet.
-  unknown_fields->AddVarint(1, 2);
-  // But the change will never will serialized back.
-  ASSERT_EQ(original.ByteSize(), arena_message->ByteSize());
-  ASSERT_TRUE(
-      arena_message->GetReflection()->GetUnknownFields(*arena_message).empty());
-}
-
-TEST(ArenaTest, Swap) {
-  Arena arena1;
-  Arena arena2;
-
-  // Test Swap().
-  TestAllTypes* arena1_message = Arena::CreateMessage<TestAllTypes>(&arena1);
-  TestAllTypes* arena2_message = Arena::CreateMessage<TestAllTypes>(&arena2);
-  arena1_message->Swap(arena2_message);
-  EXPECT_EQ(&arena1, arena1_message->GetArena());
-  EXPECT_EQ(&arena2, arena2_message->GetArena());
-}
-
-TEST(ArenaTest, SetAllocatedMessage) {
-  Arena arena;
-  TestAllTypes *arena_message = Arena::CreateMessage<TestAllTypes>(&arena);
-  TestAllTypes::NestedMessage* nested = new TestAllTypes::NestedMessage;
-  nested->set_bb(118);
-  arena_message->set_allocated_optional_nested_message(nested);
-  EXPECT_EQ(118, arena_message->optional_nested_message().bb());
-}
-
-TEST(ArenaTest, ReleaseMessage) {
-  Arena arena;
-  TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena);
-  arena_message->mutable_optional_nested_message()->set_bb(118);
-  google::protobuf::scoped_ptr<TestAllTypes::NestedMessage> nested(
-      arena_message->release_optional_nested_message());
-  EXPECT_EQ(118, nested->bb());
-}
-
-TEST(ArenaTest, MessageFieldClear) {
-  // GitHub issue #310: https://github.com/google/protobuf/issues/310
-  Arena arena;
-  TestAllTypes* arena_message = Arena::CreateMessage<TestAllTypes>(&arena);
-  arena_message->mutable_optional_nested_message()->set_bb(118);
-  // This should not crash, but prior to the bugfix, it tried to use `operator
-  // delete` the nested message (which is on the arena):
-  arena_message->Clear();
-}
-
-}  // namespace
-}  // namespace protobuf
-}  // namespace google