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Diffstat (limited to 'src/google/protobuf/dynamic_message_unittest.cc')
| -rw-r--r-- | src/google/protobuf/dynamic_message_unittest.cc | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/google/protobuf/dynamic_message_unittest.cc b/src/google/protobuf/dynamic_message_unittest.cc new file mode 100644 index 0000000..41b89ab --- /dev/null +++ b/src/google/protobuf/dynamic_message_unittest.cc @@ -0,0 +1,162 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// 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. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. +// +// Since the reflection interface for DynamicMessage is implemented by +// GenericMessageReflection, the only thing we really have to test is +// that DynamicMessage correctly sets up the information that +// GenericMessageReflection needs to use. So, we focus on that in this +// test. Other tests, such as generic_message_reflection_unittest and +// reflection_ops_unittest, cover the rest of the functionality used by +// DynamicMessage. + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/dynamic_message.h> +#include <google/protobuf/descriptor.h> +#include <google/protobuf/descriptor.pb.h> +#include <google/protobuf/test_util.h> +#include <google/protobuf/unittest.pb.h> + +#include <google/protobuf/testing/googletest.h> +#include <gtest/gtest.h> + +namespace google { +namespace protobuf { + +class DynamicMessageTest : public testing::Test { + protected: + DescriptorPool pool_; + DynamicMessageFactory factory_; + const Descriptor* descriptor_; + const Message* prototype_; + const Descriptor* extensions_descriptor_; + const Message* extensions_prototype_; + const Descriptor* packed_descriptor_; + const Message* packed_prototype_; + + DynamicMessageTest(): factory_(&pool_) {} + + virtual void SetUp() { + // We want to make sure that DynamicMessage works (particularly with + // extensions) even if we use descriptors that are *not* from compiled-in + // types, so we make copies of the descriptors for unittest.proto and + // unittest_import.proto. + FileDescriptorProto unittest_file; + FileDescriptorProto unittest_import_file; + + unittest::TestAllTypes::descriptor()->file()->CopyTo(&unittest_file); + unittest_import::ImportMessage::descriptor()->file()->CopyTo( + &unittest_import_file); + + ASSERT_TRUE(pool_.BuildFile(unittest_import_file) != NULL); + ASSERT_TRUE(pool_.BuildFile(unittest_file) != NULL); + + descriptor_ = pool_.FindMessageTypeByName("protobuf_unittest.TestAllTypes"); + ASSERT_TRUE(descriptor_ != NULL); + prototype_ = factory_.GetPrototype(descriptor_); + + extensions_descriptor_ = + pool_.FindMessageTypeByName("protobuf_unittest.TestAllExtensions"); + ASSERT_TRUE(extensions_descriptor_ != NULL); + extensions_prototype_ = factory_.GetPrototype(extensions_descriptor_); + + packed_descriptor_ = + pool_.FindMessageTypeByName("protobuf_unittest.TestPackedTypes"); + ASSERT_TRUE(packed_descriptor_ != NULL); + packed_prototype_ = factory_.GetPrototype(packed_descriptor_); + } +}; + +TEST_F(DynamicMessageTest, Descriptor) { + // Check that the descriptor on the DynamicMessage matches the descriptor + // passed to GetPrototype(). + EXPECT_EQ(prototype_->GetDescriptor(), descriptor_); +} + +TEST_F(DynamicMessageTest, OnePrototype) { + // Check that requesting the same prototype twice produces the same object. + EXPECT_EQ(prototype_, factory_.GetPrototype(descriptor_)); +} + +TEST_F(DynamicMessageTest, Defaults) { + // Check that all default values are set correctly in the initial message. + TestUtil::ReflectionTester reflection_tester(descriptor_); + reflection_tester.ExpectClearViaReflection(*prototype_); +} + +TEST_F(DynamicMessageTest, IndependentOffsets) { + // Check that all fields have independent offsets by setting each + // one to a unique value then checking that they all still have those + // unique values (i.e. they don't stomp each other). + scoped_ptr<Message> message(prototype_->New()); + TestUtil::ReflectionTester reflection_tester(descriptor_); + + reflection_tester.SetAllFieldsViaReflection(message.get()); + reflection_tester.ExpectAllFieldsSetViaReflection(*message); +} + +TEST_F(DynamicMessageTest, Extensions) { + // Check that extensions work. + scoped_ptr<Message> message(extensions_prototype_->New()); + TestUtil::ReflectionTester reflection_tester(extensions_descriptor_); + + reflection_tester.SetAllFieldsViaReflection(message.get()); + reflection_tester.ExpectAllFieldsSetViaReflection(*message); +} + +TEST_F(DynamicMessageTest, PackedFields) { + // Check that packed fields work properly. + scoped_ptr<Message> message(packed_prototype_->New()); + TestUtil::ReflectionTester reflection_tester(packed_descriptor_); + + reflection_tester.SetPackedFieldsViaReflection(message.get()); + reflection_tester.ExpectPackedFieldsSetViaReflection(*message); +} + +TEST_F(DynamicMessageTest, SpaceUsed) { + // Test that SpaceUsed() works properly + + // Since we share the implementation with generated messages, we don't need + // to test very much here. Just make sure it appears to be working. + + scoped_ptr<Message> message(prototype_->New()); + TestUtil::ReflectionTester reflection_tester(descriptor_); + + int initial_space_used = message->SpaceUsed(); + + reflection_tester.SetAllFieldsViaReflection(message.get()); + EXPECT_LT(initial_space_used, message->SpaceUsed()); +} + +} // namespace protobuf +} // namespace google |