Correct code for the enum case

src/mfast/coder/decoder/fast_decoder.cpp

@@ -290,6 +290,7 @@ message_type *fast_decoder_impl::decode_segment(fast_istreambuf &sb) {
   for (auto &&field : message->ref()) {
     apply_mutator(*this, field);
   }
+  this->current_ = nullptr;
   return message;
 }
 

src/mfast/enum_ref.h

@@ -45,6 +45,15 @@ class MFAST_EXPORT enum_cref : public field_cref {
   }
   bool is_boolean() const;
 
+protected:
+  friend class mfast::detail::codec_helper;
+
+  void save_to(value_storage &v) const {
+    v.of_uint64.content_ = this->storage()->of_uint64.content_;
+    v.defined(true);
+    v.present(this->present());
+  }
+
 private:
   enum_cref &operator=(const enum_cref &);
 };
@@ -70,6 +79,7 @@ class enum_mref : public make_field_mref<enum_cref> {
 
   enum_mref(const enum_mref &) = default;
 
+  explicit enum_mref(const field_mref_base &other) : base_type(other) {}
   void as(const enum_cref &cref) const {
     if (cref.absent()) {
       this->omit();

src/mfast/ext_ref.h

@@ -250,12 +250,10 @@ class ext_mref : public ext_ref_properties<OpType, Properties> {
       storage->present(true);
     }
     return mref_type(base_);
-    ;
   }
 
   cref_type get() const {
     return cref_type(base_);
-    ;
   }
 
   bool present() const { return !this->optional() || base_.present(); }

tests/CMakeLists.txt

@@ -24,7 +24,7 @@ FASTTYPEGEN_TARGET(simple_types12 simple12.xml)
 FASTTYPEGEN_TARGET(simple_types13 simple13.xml)
 FASTTYPEGEN_TARGET(simple_types14 simple14.xml)
 FASTTYPEGEN_TARGET(simple_types15 simple15.xml)
-
+FASTTYPEGEN_TARGET(simple_types16 simple16.xml)
 
 FASTTYPEGEN_TARGET(test_types1 test1.xml test2.xml)
 FASTTYPEGEN_TARGET(test_types3 test3.xml)
@@ -70,6 +70,7 @@ add_executable (mfast_test
                 ${FASTTYPEGEN_simple_types13_OUTPUTS}
                 ${FASTTYPEGEN_simple_types14_OUTPUTS}
                 ${FASTTYPEGEN_simple_types15_OUTPUTS}
+                ${FASTTYPEGEN_simple_types16_OUTPUTS}
                 fast_type_gen_test.cpp
                 dictionary_builder_test.cpp
                 json_test.cpp
@@ -82,6 +83,8 @@ add_executable (mfast_test
                 scp_reset_test.cpp
                 template_repo_base.cpp
                 message_pmap_test.cpp
+                enum_encoder_decoder_v2.cpp
+                enum_encoder_decoder.cpp
             )
 
 target_link_libraries (mfast_test

tests/enum_encoder_decoder.cpp

@@ -0,0 +1,19 @@
+#include "catch.hpp"
+#include <mfast.h>
+
+#include "fast_test_coding_case.hpp"
+#include "byte_stream.h"
+
+#include "simple16.h"
+
+using namespace test::coding;
+
+TEST_CASE("enum test encoder/decoder","[enum_encoder_decoder]")
+{
+    fast_test_coding_case<simple16::templates_description> test_case;
+    simple16::Test_1 test_1;
+    simple16::Test_1_mref test_1_mref = test_1.mref();
+    test_1_mref.set_discrete().as_Three();
+    REQUIRE(test_case.encoding(test_1.cref(),"\xC0\x81\x83",true));
+    REQUIRE(test_case.decoding("\xC0\x81\x83",test_1.cref(),true));
+}

tests/enum_encoder_decoder_v2.cpp

@@ -0,0 +1,19 @@
+#include "catch.hpp"
+#include <mfast.h>
+
+#include "fast_test_coding_case_v2.hpp"
+#include "byte_stream.h"
+
+#include "simple16.h"
+
+using namespace test::coding;
+
+TEST_CASE("enum test encoder_V2/decoder_v2","[enum_encoder_v2_decoder_v2]")
+{
+    fast_test_coding_case_v2<simple16::templates_description> test_case;
+    simple16::Test_1 test_1;
+    simple16::Test_1_mref test_1_mref = test_1.mref();
+    test_1_mref.set_discrete().as_Three();
+    REQUIRE(test_case.encoding(test_1.cref(),"\xC0\x81\x83",true));
+    REQUIRE(test_case.decoding("\xC0\x81\x83",test_1.cref(),true));
+}

tests/fast_test_coding_case.hpp

@@ -32,7 +32,7 @@ class fast_test_coding_case
             if (result == byte_stream(buffer, encoded_size))
                 return true;
 
-            INFO(  "Got \"" << byte_stream(buffer, encoded_size) << "\" instead." );
+            INFO( "Got \"" << byte_stream(buffer, encoded_size) << "\" instead." );
             return false;
         }
 

tests/fast_test_coding_case_v2.hpp

@@ -27,7 +27,7 @@ class fast_test_coding_case_v2
             if (result == byte_stream(buffer, encoded_size))
               return true;
 
-            INFO(  "Got \"" << byte_stream(buffer, encoded_size) << "\" instead." );
+            INFO( "Got \"" << byte_stream(buffer, encoded_size) << "\" instead." );
             return false;
         }
 

tests/simple16.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates
+    xmlns="http://www.fixprotocol.org/ns/fast/td/1.2"
+    xmlns:scp="http://www.fixprotocol.org/ns/fast/scp/1.2"
+    templateNs="https://www.deutsche-boerse.com/rta">
+  <define name="DiscreteEnum">
+    <enum>
+      <element name="One" value="1"/>
+      <element name="Three" value="3"/>
+      <element name="Five" value="5"/>
+    </enum>
+  </define>
+  <!-- Define templates-->
+  <template name="Test_1" id="1">
+    <string name="MsgType" id="35"><constant value="DP"/></string>
+    <field name="discrete" id="2477"><type name="DiscreteEnum"></type></field>
+  </template>
+  <template name="Test_2" id="2">
+      <string name="MsgType" id="36"><constant value="DQ"/></string>
+  </template>
+</templates>