Added conformance testing for binary primitive types. (#2491)

This is basic and more tests will be added over time.

conformance/conformance_test.h

@@ -175,9 +175,11 @@ class ConformanceTestSuite {
       ConformanceLevel level,
       const protobuf_test_messages::proto3::TestAllTypes& input,
       const string& equivalent_text_format);
-  void RunValidProtobufTest(
-      const string& test_name,
-      ConformanceLevel level,
+  void RunValidProtobufTest(const string& test_name, ConformanceLevel level,
+                            const string& input_protobuf,
+                            const string& equivalent_text_format);
+  void RunValidProtobufTestWithMessage(
+      const string& test_name, ConformanceLevel level,
       const protobuf_test_messages::proto3::TestAllTypes& input,
       const string& equivalent_text_format);
 
@@ -199,6 +201,9 @@ class ConformanceTestSuite {
                                       const std::string& test_name,
                                       ConformanceLevel level);
   void TestPrematureEOFForType(google::protobuf::FieldDescriptor::Type type);
+  void TestValidDataForType(
+      google::protobuf::FieldDescriptor::Type,
+      std::vector<std::pair<std::string, std::string>> values);
   bool CheckSetEmpty(const set<string>& set_to_check,
                      const std::string& write_to_file, const std::string& msg);
   ConformanceTestRunner* runner_;