From fb8f4fdec29cc102767cc77905a6162cb1730505 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Fri, 14 Jun 2024 10:56:50 -0400
Subject: [PATCH] xo-reflect: utest for function reflection

---
 CMakeLists.txt             | 10 +---------
 utest/CMakeLists.txt       |  7 ++++++-
 utest/FunctionTdx.test.cpp | 40 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+), 10 deletions(-)
 create mode 100644 utest/FunctionTdx.test.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 050bc94..c2e8b74 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,15 +7,7 @@ project(reflect VERSION 0.1)
 include(GNUInstallDirs)
 include(cmake/xo-bootstrap-macros.cmake)
 
-xo_cxx_toplevel_options2()
-
-# ----------------------------------------------------------------
-# cmake -DCMAKE_BUILD_TYPE=coverage
-xo_toplevel_coverage_config2()
-
-# ----------------------------------------------------------------
-# cmake -DCMAKE_BUILD_TYPE=debug
-xo_toplevel_debug_config2()
+xo_cxx_toplevel_options3()
 
 # ----------------------------------------------------------------
 # c++ settings
diff --git a/utest/CMakeLists.txt b/utest/CMakeLists.txt
index aef60b2..edc997e 100644
--- a/utest/CMakeLists.txt
+++ b/utest/CMakeLists.txt
@@ -1,7 +1,12 @@
 # build unittest reflect/utest
 
 set(SELF_EXECUTABLE_NAME utest.reflect)
-set(SELF_SOURCE_FILES reflect_utest_main.cpp StructReflector.test.cpp VectorTdx.test.cpp StructTdx.test.cpp)
+set(SELF_SOURCE_FILES
+    reflect_utest_main.cpp
+    StructReflector.test.cpp
+    VectorTdx.test.cpp
+    StructTdx.test.cpp
+    FunctionTdx.test.cpp)
 
 xo_add_utest_executable(${SELF_EXECUTABLE_NAME} ${SELF_SOURCE_FILES})
 
diff --git a/utest/FunctionTdx.test.cpp b/utest/FunctionTdx.test.cpp
new file mode 100644
index 0000000..278a253
--- /dev/null
+++ b/utest/FunctionTdx.test.cpp
@@ -0,0 +1,40 @@
+/* @file FunctionTdx.test.cpp */
+
+#include "xo/reflect/Reflect.hpp"
+#include <catch2/catch.hpp>
+
+namespace xo {
+    using xo::reflect::Reflect;
+    using xo::reflect::TaggedPtr;
+    using xo::reflect::TypeDescr;
+    using xo::reflect::Metatype;
+
+    namespace ut {
+        TEST_CASE("function-reflect1", "[reflect]") {
+            using FunctionType = double (*)(double);
+
+            FunctionType fn = ::sqrt;
+
+            TaggedPtr tp = Reflect::make_tp(&fn);
+            //TypeDescr td = Reflect::require<std::vector<double>>();
+
+            REQUIRE(Reflect::is_reflected<FunctionType>() == true);
+
+            REQUIRE(tp.td()->complete_flag());
+            REQUIRE(tp.address() == &fn);
+            REQUIRE(tp.is_function());
+            REQUIRE(tp.is_pointer() == false);
+            REQUIRE(tp.is_vector() == false);
+            REQUIRE(tp.is_struct() == false);
+            REQUIRE(tp.td()->metatype() == Metatype::mt_function);
+            REQUIRE(tp.recover_native<double (*)(double)>() == &fn);
+            REQUIRE(tp.n_child() == 0); /*not a composite*/
+            // REQUIRE(tp.child_td(0) == ...
+            REQUIRE(tp.td()->fn_retval() == Reflect::require<double>());
+            REQUIRE(tp.n_fn_arg() == 1);
+            REQUIRE(tp.td()->fn_arg(0) == Reflect::require<double>());
+        } /*TEST_CASE(function-reflect1)*/
+    } /*namespace ut*/
+} /*namespace xo*/
+
+/* end FunctionTdx.test.cpp */