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, 233 insertions, 0 deletions

diff --git a/Firestore/Protos/cpp/google/type/latlng.pb.h b/Firestore/Protos/cpp/google/type/latlng.pb.h
new file mode 100644
index 0000000..4ea19b1
--- /dev/null
+++ b/Firestore/Protos/cpp/google/type/latlng.pb.h
@@ -0,0 +1,233 @@
+/*
+ * 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/type/latlng.proto
+
+#ifndef PROTOBUF_google_2ftype_2flatlng_2eproto__INCLUDED
+#define PROTOBUF_google_2ftype_2flatlng_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_2ftype_2flatlng_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 InitDefaultsLatLngImpl();
+void InitDefaultsLatLng();
+inline void InitDefaults() {
+  InitDefaultsLatLng();
+}
+}  // namespace protobuf_google_2ftype_2flatlng_2eproto
+namespace google {
+namespace type {
+class LatLng;
+class LatLngDefaultTypeInternal;
+extern LatLngDefaultTypeInternal _LatLng_default_instance_;
+}  // namespace type
+}  // namespace google
+namespace google {
+namespace type {
+
+// ===================================================================
+
+class LatLng : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.type.LatLng) */ {
+ public:
+  LatLng();
+  virtual ~LatLng();
+
+  LatLng(const LatLng& from);
+
+  inline LatLng& operator=(const LatLng& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  LatLng(LatLng&& from) noexcept
+    : LatLng() {
+    *this = ::std::move(from);
+  }
+
+  inline LatLng& operator=(LatLng&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const LatLng& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const LatLng* internal_default_instance() {
+    return reinterpret_cast<const LatLng*>(
+               &_LatLng_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    0;
+
+  void Swap(LatLng* other);
+  friend void swap(LatLng& a, LatLng& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline LatLng* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  LatLng* 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 LatLng& from);
+  void MergeFrom(const LatLng& 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(LatLng* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // double latitude = 1;
+  void clear_latitude();
+  static const int kLatitudeFieldNumber = 1;
+  double latitude() const;
+  void set_latitude(double value);
+
+  // double longitude = 2;
+  void clear_longitude();
+  static const int kLongitudeFieldNumber = 2;
+  double longitude() const;
+  void set_longitude(double value);
+
+  // @@protoc_insertion_point(class_scope:google.type.LatLng)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  double latitude_;
+  double longitude_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ftype_2flatlng_2eproto::TableStruct;
+  friend void ::protobuf_google_2ftype_2flatlng_2eproto::InitDefaultsLatLngImpl();
+};
+// ===================================================================
+
+
+// ===================================================================
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif  // __GNUC__
+// LatLng
+
+// double latitude = 1;
+inline void LatLng::clear_latitude() {
+  latitude_ = 0;
+}
+inline double LatLng::latitude() const {
+  // @@protoc_insertion_point(field_get:google.type.LatLng.latitude)
+  return latitude_;
+}
+inline void LatLng::set_latitude(double value) {
+  
+  latitude_ = value;
+  // @@protoc_insertion_point(field_set:google.type.LatLng.latitude)
+}
+
+// double longitude = 2;
+inline void LatLng::clear_longitude() {
+  longitude_ = 0;
+}
+inline double LatLng::longitude() const {
+  // @@protoc_insertion_point(field_get:google.type.LatLng.longitude)
+  return longitude_;
+}
+inline void LatLng::set_longitude(double value) {
+  
+  longitude_ = value;
+  // @@protoc_insertion_point(field_set:google.type.LatLng.longitude)
+}
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic pop
+#endif  // __GNUC__
+
+// @@protoc_insertion_point(namespace_scope)
+
+}  // namespace type
+}  // namespace google
+
+// @@protoc_insertion_point(global_scope)
+
+#endif  // PROTOBUF_google_2ftype_2flatlng_2eproto__INCLUDED