xo-ratio: + xo_reflectutil feature + utest

CMakeLists.txt

@@ -39,6 +39,7 @@ add_subdirectory(docs)
 # ----------------------------------------------------------------
 # dependencies
 
+xo_headeronly_dependency(${SELF_LIB} xo_reflectutil)
 xo_headeronly_dependency(${SELF_LIB} xo_flatstring)
 #xo_headeronly_dependency(${SELF_LIB} randomgen)
 # etc..

include/xo/ratio/ratio_reflect.hpp

@@ -0,0 +1,25 @@
+/** @file ratio_reflect.hpp
+ *
+ *  Author: Roland Conybeare
+ **/
+
+#pragma once
+
+#include "xo/reflectutil/reflect_struct_info.hpp"
+#include "ratio.hpp"
+//#include <cstdint>
+
+namespace xo {
+    namespace reflect {
+        template <typename Int>
+        REFLECT_BASE_STRUCT_INFO_TBODY(xo::ratio::ratio<Int>, 2);
+
+        template <typename Int>
+        REFLECT_STRUCT_MEMBER_INFO_TBODY(xo::ratio::ratio<Int>, 0, num);
+
+        template <typename Int>
+        REFLECT_STRUCT_MEMBER_INFO_TBODY(xo::ratio::ratio<Int>, 1, den);
+    }
+}
+
+/** end ratio_reflect.hpp **/

utest/CMakeLists.txt

@@ -3,6 +3,7 @@
 set(SELF_EXE utest.ratio)
 set(SELF_SRCS
     ratio_utest_main.cpp
+    ratio_reflect.test.cpp
     ratio.test.cpp)
 
 if (ENABLE_TESTING)
@@ -14,6 +15,7 @@ if (ENABLE_TESTING)
     # dependencies..
 
     xo_self_headeronly_dependency(${SELF_EXE} xo_ratio)
+    xo_dependency(${SELF_EXE} reflect)
     xo_dependency(${SELF_EXE} randomgen)
     xo_dependency(${SELF_EXE} indentlog)
     xo_external_target_dependency(${SELF_EXE} Catch2 Catch2::Catch2)

utest/ratio_reflect.test.cpp

@@ -0,0 +1,32 @@
+/* @file ratio_reflect.test.cpp */
+
+#include "xo/ratio/ratio_reflect.hpp"
+#include "xo/reflect/reflect_struct.hpp"
+#include <catch2/catch.hpp>
+
+namespace xo {
+    namespace ut {
+        TEST_CASE("ratio_reflect", "[ratio][reflect]") {
+            using xo::reflect::reflect_struct;
+            using xo::reflect::TypeDescrBase;
+            using xo::reflect::TypeDescr;
+            using xo::ratio::ratio;
+
+            /* verify ratio reflection */
+
+            TypeDescr td = reflect_struct<ratio<std::int64_t>>();
+
+            REQUIRE(td->is_struct());
+            REQUIRE(td->metatype() == xo::reflect::Metatype::mt_struct);
+            REQUIRE(td->n_child(nullptr) == 2);
+            REQUIRE(td->struct_member(0).member_name() == "num");
+            REQUIRE(td->struct_member(0).get_member_td()->short_name() == "long int");
+            REQUIRE(td->struct_member(1).member_name() == "den");
+            REQUIRE(td->struct_member(1).get_member_td()->short_name() == "long int");
+
+            TypeDescrBase::print_reflected_types(std::cerr);
+        }
+    } /*namespace ut*/
+} /*namespace xo*/
+
+/* end ratio_reflect.test.cpp */