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// 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 <memory>
#include <google/protobuf/unittest_drop_unknown_fields.pb.h>
#include <google/protobuf/dynamic_message.h>
#include <google/protobuf/message_lite.h>
#include <gtest/gtest.h>
namespace google {
using unittest_drop_unknown_fields::Foo;
using unittest_drop_unknown_fields::FooWithExtraFields;
namespace protobuf {
TEST(DropUnknownFieldsTest, GeneratedMessageDefaultDrop) {
::google::protobuf::internal::SetProto3PreserveUnknownsDefault(false);
FooWithExtraFields foo_with_extra_fields;
foo_with_extra_fields.set_int32_value(1);
foo_with_extra_fields.set_enum_value(FooWithExtraFields::QUX);
foo_with_extra_fields.set_extra_int32_value(2);
Foo foo;
ASSERT_TRUE(foo.ParseFromString(foo_with_extra_fields.SerializeAsString()));
EXPECT_EQ(1, foo.int32_value());
EXPECT_EQ(static_cast<int>(FooWithExtraFields::QUX),
static_cast<int>(foo.enum_value()));
EXPECT_TRUE(foo.GetReflection()->GetUnknownFields(foo).empty());
ASSERT_TRUE(foo_with_extra_fields.ParseFromString(foo.SerializeAsString()));
EXPECT_EQ(1, foo_with_extra_fields.int32_value());
EXPECT_EQ(FooWithExtraFields::QUX, foo_with_extra_fields.enum_value());
// The "extra_int32_value" field should be lost.
EXPECT_EQ(0, foo_with_extra_fields.extra_int32_value());
}
TEST(DropUnknownFieldsTest, GeneratedMessageDefaultPreserve) {
::google::protobuf::internal::SetProto3PreserveUnknownsDefault(true);
FooWithExtraFields foo_with_extra_fields;
foo_with_extra_fields.set_int32_value(1);
foo_with_extra_fields.set_enum_value(FooWithExtraFields::QUX);
foo_with_extra_fields.set_extra_int32_value(2);
Foo foo;
ASSERT_TRUE(foo.ParseFromString(foo_with_extra_fields.SerializeAsString()));
EXPECT_EQ(1, foo.int32_value());
EXPECT_EQ(static_cast<int>(FooWithExtraFields::QUX),
static_cast<int>(foo.enum_value()));
EXPECT_FALSE(foo.GetReflection()->GetUnknownFields(foo).empty());
ASSERT_TRUE(foo_with_extra_fields.ParseFromString(foo.SerializeAsString()));
EXPECT_EQ(1, foo_with_extra_fields.int32_value());
EXPECT_EQ(FooWithExtraFields::QUX, foo_with_extra_fields.enum_value());
// The "extra_int32_value" field should not be lost.
EXPECT_EQ(2, foo_with_extra_fields.extra_int32_value());
}
TEST(DropUnknownFieldsTest, DynamicMessageDefaultDrop) {
internal::SetProto3PreserveUnknownsDefault(false);
FooWithExtraFields foo_with_extra_fields;
foo_with_extra_fields.set_int32_value(1);
foo_with_extra_fields.set_enum_value(FooWithExtraFields::QUX);
foo_with_extra_fields.set_extra_int32_value(2);
google::protobuf::DynamicMessageFactory factory;
std::unique_ptr<google::protobuf::Message> foo(
factory.GetPrototype(Foo::descriptor())->New());
ASSERT_TRUE(foo->ParseFromString(foo_with_extra_fields.SerializeAsString()));
EXPECT_TRUE(foo->GetReflection()->GetUnknownFields(*foo).empty());
ASSERT_TRUE(foo_with_extra_fields.ParseFromString(foo->SerializeAsString()));
EXPECT_EQ(1, foo_with_extra_fields.int32_value());
EXPECT_EQ(FooWithExtraFields::QUX, foo_with_extra_fields.enum_value());
// The "extra_int32_value" field should be lost.
EXPECT_EQ(0, foo_with_extra_fields.extra_int32_value());
}
TEST(DropUnknownFieldsTest, DynamicMessageDefaultPreserve) {
internal::SetProto3PreserveUnknownsDefault(true);
FooWithExtraFields foo_with_extra_fields;
foo_with_extra_fields.set_int32_value(1);
foo_with_extra_fields.set_enum_value(FooWithExtraFields::QUX);
foo_with_extra_fields.set_extra_int32_value(2);
google::protobuf::DynamicMessageFactory factory;
std::unique_ptr<google::protobuf::Message> foo(
factory.GetPrototype(Foo::descriptor())->New());
ASSERT_TRUE(foo->ParseFromString(foo_with_extra_fields.SerializeAsString()));
EXPECT_FALSE(foo->GetReflection()->GetUnknownFields(*foo).empty());
ASSERT_TRUE(foo_with_extra_fields.ParseFromString(foo->SerializeAsString()));
EXPECT_EQ(1, foo_with_extra_fields.int32_value());
EXPECT_EQ(FooWithExtraFields::QUX, foo_with_extra_fields.enum_value());
// The "extra_int32_value" field should not be lost.
EXPECT_EQ(2, foo_with_extra_fields.extra_int32_value());
}
} // namespace protobuf
} // namespace google
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