Adjust serializer test to verify via libprotobuf. (#1039)

Previously, the tests would compare serialization results against a
precomputed (via protoc) array of bytes. Now they serialize via our
nanopb based class and deserialize via libprotobuf (and vice versa) and
then ensure the result is the same as the input

1 files changed, 206 insertions, 0 deletions

diff --git a/Firestore/Protos/cpp/google/protobuf/empty.pb.h b/Firestore/Protos/cpp/google/protobuf/empty.pb.h
new file mode 100644
index 0000000..a5276b6
--- /dev/null
+++ b/Firestore/Protos/cpp/google/protobuf/empty.pb.h
@@ -0,0 +1,206 @@
+/*
+ * Copyright 2018 Google
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/protobuf/empty.proto
+
+#ifndef PROTOBUF_google_2fprotobuf_2fempty_2eproto__INCLUDED
+#define PROTOBUF_google_2fprotobuf_2fempty_2eproto__INCLUDED
+
+#include <string>
+
+#include <google/protobuf/stubs/common.h>
+
+#if GOOGLE_PROTOBUF_VERSION < 3005000
+#error This file was generated by a newer version of protoc which is
+#error incompatible with your Protocol Buffer headers.  Please update
+#error your headers.
+#endif
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#error This file was generated by an older version of protoc which is
+#error incompatible with your Protocol Buffer headers.  Please
+#error regenerate this file with a newer version of protoc.
+#endif
+
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/arena.h>
+#include <google/protobuf/arenastring.h>
+#include <google/protobuf/generated_message_table_driven.h>
+#include <google/protobuf/generated_message_util.h>
+#include <google/protobuf/metadata.h>
+#include <google/protobuf/message.h>
+#include <google/protobuf/repeated_field.h>  // IWYU pragma: export
+#include <google/protobuf/extension_set.h>  // IWYU pragma: export
+#include <google/protobuf/unknown_field_set.h>
+// @@protoc_insertion_point(includes)
+
+namespace protobuf_google_2fprotobuf_2fempty_2eproto {
+// Internal implementation detail -- do not use these members.
+struct TableStruct {
+  static const ::google::protobuf::internal::ParseTableField entries[];
+  static const ::google::protobuf::internal::AuxillaryParseTableField aux[];
+  static const ::google::protobuf::internal::ParseTable schema[1];
+  static const ::google::protobuf::internal::FieldMetadata field_metadata[];
+  static const ::google::protobuf::internal::SerializationTable serialization_table[];
+  static const ::google::protobuf::uint32 offsets[];
+};
+void AddDescriptors();
+void InitDefaultsEmptyImpl();
+void InitDefaultsEmpty();
+inline void InitDefaults() {
+  InitDefaultsEmpty();
+}
+}  // namespace protobuf_google_2fprotobuf_2fempty_2eproto
+namespace google {
+namespace protobuf {
+class Empty;
+class EmptyDefaultTypeInternal;
+extern EmptyDefaultTypeInternal _Empty_default_instance_;
+}  // namespace protobuf
+}  // namespace google
+namespace google {
+namespace protobuf {
+
+// ===================================================================
+
+class Empty : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.protobuf.Empty) */ {
+ public:
+  Empty();
+  virtual ~Empty();
+
+  Empty(const Empty& from);
+
+  inline Empty& operator=(const Empty& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  Empty(Empty&& from) noexcept
+    : Empty() {
+    *this = ::std::move(from);
+  }
+
+  inline Empty& operator=(Empty&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  inline ::google::protobuf::Arena* GetArena() const PROTOBUF_FINAL {
+    return GetArenaNoVirtual();
+  }
+  inline void* GetMaybeArenaPointer() const PROTOBUF_FINAL {
+    return MaybeArenaPtr();
+  }
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const Empty& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const Empty* internal_default_instance() {
+    return reinterpret_cast<const Empty*>(
+               &_Empty_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    0;
+
+  void UnsafeArenaSwap(Empty* other);
+  void Swap(Empty* other);
+  friend void swap(Empty& a, Empty& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline Empty* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  Empty* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const Empty& from);
+  void MergeFrom(const Empty& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(Empty* other);
+  protected:
+  explicit Empty(::google::protobuf::Arena* arena);
+  private:
+  static void ArenaDtor(void* object);
+  inline void RegisterArenaDtor(::google::protobuf::Arena* arena);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return _internal_metadata_.arena();
+  }
+  inline void* MaybeArenaPtr() const {
+    return _internal_metadata_.raw_arena_ptr();
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // @@protoc_insertion_point(class_scope:google.protobuf.Empty)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  template <typename T> friend class ::google::protobuf::Arena::InternalHelper;
+  typedef void InternalArenaConstructable_;
+  typedef void DestructorSkippable_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2fprotobuf_2fempty_2eproto::TableStruct;
+  friend void ::protobuf_google_2fprotobuf_2fempty_2eproto::InitDefaultsEmptyImpl();
+};
+// ===================================================================
+
+
+// ===================================================================
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif  // __GNUC__
+// Empty
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic pop
+#endif  // __GNUC__
+
+// @@protoc_insertion_point(namespace_scope)
+
+}  // namespace protobuf
+}  // namespace google
+
+// @@protoc_insertion_point(global_scope)
+
+#endif  // PROTOBUF_google_2fprotobuf_2fempty_2eproto__INCLUDED