From 585dad42e4e64985e999ec33e28b110e4063a434 Mon Sep 17 00:00:00 2001
From: zekexiao <xiao@linger.me>
Date: Sat, 18 Oct 2025 20:07:52 +0800
Subject: [PATCH] add catch2 test

---
 CMakeLists.txt                         | 43 ++++++++++++++--------
 example/Point.cpp                      |  5 ---
 example/Point.h => test/test_class.cpp | 38 ++++++++++++++------
 test/test_engine.cpp                   | 50 ++++++++++++++++++++++++++
 4 files changed, 106 insertions(+), 30 deletions(-)
 delete mode 100644 example/Point.cpp
 rename example/Point.h => test/test_class.cpp (60%)
 create mode 100644 test/test_engine.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bbad3e3..660c7f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,33 +5,48 @@ project(mrubypp LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+option(MRUBYPP_BUILD_TEST "Build Catch2 Test" ON)
+
 if (MSVC)
     add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
     add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
     add_compile_definitions(NOMINMAX)
 endif ()
 
-add_executable(mrubypp main.cpp
+add_library(mrubypp INTERFACE
         mrubypp.h
         mrubypp_converters.h
         mrubypp_arena_guard.h
-        mrubypp_bind_class.h
-        example/Point.cpp
-        example/Point.h)
+        mrubypp_bind_class.h)
 
 
-if (NOT mruby_ROOT)
-    message(NOTICE "[mrubypp] Using default mruby build")
-    set(mruby_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/deps/mruby")
-endif ()
-
-target_include_directories(mrubypp PUBLIC "${mruby_ROOT}/include")
-target_link_directories(mrubypp PUBLIC "${mruby_ROOT}/lib")
-target_link_libraries(mrubypp PUBLIC
-        libmruby ws2_32.lib wsock32.lib ws2_32.lib)
-
 include_directories(${CMAKE_CURRENT_LIST_DIR})
 
+if (${MRUBYPP_BUILD_TEST})
+    if (NOT mruby_ROOT)
+        message(NOTICE "[mrubypp] Using default mruby build")
+        set(mruby_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/deps/mruby")
+    endif ()
+
+
+    add_subdirectory(deps/Catch2)
+
+    enable_testing()
+
+    add_executable(mrubypp_test
+            test/test_class.cpp
+            test/test_engine.cpp)
+
+
+    target_include_directories(mrubypp_test PUBLIC "${mruby_ROOT}/include")
+    target_link_directories(mrubypp_test PUBLIC "${mruby_ROOT}/lib")
+    target_link_libraries(mrubypp_test PUBLIC
+            libmruby ws2_32.lib wsock32.lib ws2_32.lib)
+
+    target_link_libraries(mrubypp_test PRIVATE mrubypp Catch2::Catch2WithMain)
+    add_test(NAME mrubypp_test COMMAND mrubypp_test)
+endif ()
+
 include(GNUInstallDirs)
 install(TARGETS mrubypp
         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
diff --git a/example/Point.cpp b/example/Point.cpp
deleted file mode 100644
index 075643d..0000000
--- a/example/Point.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-//
-// Created by ZekeXiao on 2025/10/18.
-//
-
-#include "Point.h"
diff --git a/example/Point.h b/test/test_class.cpp
similarity index 60%
rename from example/Point.h
rename to test/test_class.cpp
index 26cd191..17e3087 100644
--- a/example/Point.h
+++ b/test/test_class.cpp
@@ -2,14 +2,9 @@
 // Created by ZekeXiao on 2025/10/18.
 //
 
-#ifndef MRUBYPP_POINT_H
-#define MRUBYPP_POINT_H
+#include <catch2/catch_all.hpp>
 
-#include "mrubypp_converters.h"
-
-#include "mruby/data.h"
-
-#include "mrubypp_bind_class.h"
+#include "mrubypp.h"
 
 class Point {
 public:
@@ -39,7 +34,6 @@ private:
 
 template <> struct mrubypp_converter<Point> {
   static mrb_value to_mrb(mrb_state *mrb, const Point &var) {
-    // 创建一个新的 Point 对象数据结构
     mrb_value obj = mrb_obj_value(
         mrb_data_object_alloc(mrb, mrb->object_class, new Point(var),
                               &mrubypp_class_builder<Point>::data_type));
@@ -47,12 +41,34 @@ template <> struct mrubypp_converter<Point> {
   }
 
   static Point from_mrb(mrb_state *mrb, mrb_value value) {
-    // 从 mrb_value 中提取 Point 对象
     if (mrb_type(value) == MRB_TT_DATA) {
       Point *point = static_cast<Point *>(DATA_PTR(value));
       return *point;
     }
-    return Point(0, 0); // 默认构造
+    return Point(0, 0);
   }
 };
-#endif // MRUBYPP_POINT_H
+
+TEST_CASE("Point", "[class]") {
+  mrubypp engine;
+  engine.class_builder<Point>("Point")
+      .def_constructor<int, int>()
+      .def_method("add", &Point::add)
+      .def_class_method("none", &Point::none)
+      .def_property("x", &Point::get_x, &Point::set_x);
+
+  engine.load(R"(
+    def test_point()
+      p = Point.new(3, 4)
+      p.x = 10
+      p.add(p)
+      p.x += Point::none()
+      return p
+    end
+  )");
+
+  auto point_result = engine.call<Point>("test_point");
+
+  REQUIRE(point_result.get_x() == 21);
+  REQUIRE(point_result.get_y() == 8);
+}
\ No newline at end of file
diff --git a/test/test_engine.cpp b/test/test_engine.cpp
new file mode 100644
index 0000000..a9ca097
--- /dev/null
+++ b/test/test_engine.cpp
@@ -0,0 +1,50 @@
+//
+// Created by ZekeXiao on 2025/10/18.
+//
+//
+// Created by ZekeXiao on 2025/10/18.
+//
+
+#include <catch2/catch_all.hpp>
+
+#include "mrubypp.h"
+
+TEST_CASE("none args call", "[engine]") {
+  mrubypp engine;
+  engine.load(R"(
+      def get_1()
+        1
+      end
+  )");
+
+  auto b = engine.call<int>("get_1");
+  REQUIRE(b == 1);
+}
+
+TEST_CASE("args call", "[engine]") {
+  mrubypp engine;
+  engine.load(R"(
+      def add(a)
+        a.sort!
+        a[0]
+      end
+  )");
+
+  std::vector<int> a{3, 1, 2};
+  auto b = engine.call<int>("add", a);
+  REQUIRE(b == 1);
+}
+
+TEST_CASE("call benchmark", "[!benchmark]") {
+  mrubypp engine;
+  engine.load(R"(
+      def get_same(a)
+        return a
+      end
+  )");
+
+  BENCHMARK("call and return") {
+    auto b = engine.call<int>("get_same", 1);
+    REQUIRE(b == 1);
+  };
+}
\ No newline at end of file