1 files changed, 169 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_move_unittest.cc b/third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_move_unittest.cc
new file mode 100644
index 0000000000..f72a7d6014
--- /dev/null
+++ b/third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_move_unittest.cc
@@ -0,0 +1,169 @@
+// 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 <google/protobuf/stubs/common.h>
+#include <google/protobuf/test_util.h>
+#include <google/protobuf/unittest.pb.h>
+#include <gtest/gtest.h>
+
+#if LANG_CXX11
+#include <google/protobuf/stubs/type_traits.h>
+#endif
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace cpp {
+
+// Can't use an anonymous namespace here due to brokenness of Tru64 compiler.
+namespace cpp_unittest {
+
+// Moves are enabled only when compiling with a C++11 compiler or newer.
+#if LANG_CXX11
+
+TEST(MovableMessageTest, MoveConstructor) {
+  protobuf_unittest::TestAllTypes message1;
+  TestUtil::SetAllFields(&message1);
+  const auto* nested = &message1.optional_nested_message();
+
+  protobuf_unittest::TestAllTypes message2(std::move(message1));
+  TestUtil::ExpectAllFieldsSet(message2);
+
+  // Check if the optional_nested_message was actually moved (and not just
+  // copied).
+  EXPECT_EQ(nested, &message2.optional_nested_message());
+  EXPECT_NE(nested, &message1.optional_nested_message());
+}
+
+TEST(MovableMessageTest, MoveAssignmentOperator) {
+  protobuf_unittest::TestAllTypes message1;
+  TestUtil::SetAllFields(&message1);
+  const auto* nested = &message1.optional_nested_message();
+
+  protobuf_unittest::TestAllTypes message2;
+  message2 = std::move(message1);
+  TestUtil::ExpectAllFieldsSet(message2);
+
+  // Check if the optional_nested_message was actually moved (and not just
+  // copied).
+  EXPECT_EQ(nested, &message2.optional_nested_message());
+  EXPECT_NE(nested, &message1.optional_nested_message());
+}
+
+TEST(MovableMessageTest, SelfMoveAssignment) {
+  // The `self` reference is necessary to defeat -Wself-move.
+  protobuf_unittest::TestAllTypes message, &self = message;
+  TestUtil::SetAllFields(&message);
+  message = std::move(self);
+  TestUtil::ExpectAllFieldsSet(message);
+}
+
+TEST(MovableMessageTest, MoveSameArena) {
+  Arena arena;
+
+  auto* message1_on_arena =
+      Arena::CreateMessage<protobuf_unittest::TestAllTypes>(&arena);
+  TestUtil::SetAllFields(message1_on_arena);
+  const auto* nested = &message1_on_arena->optional_nested_message();
+
+  auto* message2_on_arena =
+      Arena::CreateMessage<protobuf_unittest::TestAllTypes>(&arena);
+
+  // Moving messages on the same arena should lead to swapped pointers.
+  *message2_on_arena = std::move(*message1_on_arena);
+  EXPECT_EQ(nested, &message2_on_arena->optional_nested_message());
+}
+
+TEST(MovableMessageTest, MoveDifferentArenas) {
+  Arena arena1, arena2;
+
+  auto* message1_on_arena =
+      Arena::CreateMessage<protobuf_unittest::TestAllTypes>(&arena1);
+  TestUtil::SetAllFields(message1_on_arena);
+  const auto* nested = &message1_on_arena->optional_nested_message();
+
+  auto* message2_on_arena =
+      Arena::CreateMessage<protobuf_unittest::TestAllTypes>(&arena2);
+
+  // Moving messages on two different arenas should lead to a copy.
+  *message2_on_arena = std::move(*message1_on_arena);
+  EXPECT_NE(nested, &message2_on_arena->optional_nested_message());
+  TestUtil::ExpectAllFieldsSet(*message1_on_arena);
+  TestUtil::ExpectAllFieldsSet(*message2_on_arena);
+}
+
+TEST(MovableMessageTest, MoveFromArena) {
+  Arena arena;
+
+  auto* message1_on_arena =
+      Arena::CreateMessage<protobuf_unittest::TestAllTypes>(&arena);
+  TestUtil::SetAllFields(message1_on_arena);
+  const auto* nested = &message1_on_arena->optional_nested_message();
+
+  protobuf_unittest::TestAllTypes message2;
+
+  // Moving from a message on the arena should lead to a copy.
+  message2 = std::move(*message1_on_arena);
+  EXPECT_NE(nested, &message2.optional_nested_message());
+  TestUtil::ExpectAllFieldsSet(*message1_on_arena);
+  TestUtil::ExpectAllFieldsSet(message2);
+}
+
+TEST(MovableMessageTest, MoveToArena) {
+  Arena arena;
+
+  protobuf_unittest::TestAllTypes message1;
+  TestUtil::SetAllFields(&message1);
+  const auto* nested = &message1.optional_nested_message();
+
+  auto* message2_on_arena =
+      Arena::CreateMessage<protobuf_unittest::TestAllTypes>(&arena);
+
+  // Moving to a message on the arena should lead to a copy.
+  *message2_on_arena = std::move(message1);
+  EXPECT_NE(nested, &message2_on_arena->optional_nested_message());
+  TestUtil::ExpectAllFieldsSet(message1);
+  TestUtil::ExpectAllFieldsSet(*message2_on_arena);
+}
+
+TEST(MovableMessageTest, Noexcept) {
+  EXPECT_TRUE(
+      std::is_nothrow_move_constructible<protobuf_unittest::TestAllTypes>());
+  EXPECT_TRUE(std::is_nothrow_move_assignable<protobuf_unittest::TestAllTypes>());
+}
+
+#endif  // LANG_CXX11
+
+}  // namespace cpp_unittest
+
+}  // namespace cpp
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google