From 29a275b573e3d2c152585d6869ed58dbeed7b924 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Wed, 7 Aug 2024 02:04:34 +0800
Subject: [PATCH] Added TypeCastTest.cpp

---
 CMakeLists.txt            |   3 +
 datatype/TypeCastTest.cpp | 128 ++++++++++++++++++++++++++++++++++++++
 pick/Pick2DTest.cpp       |   1 +
 3 files changed, 132 insertions(+)
 create mode 100644 datatype/TypeCastTest.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1c4b1c6..eb77559 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,9 @@ endmacro()
 add_executable(TypeSizeof datatype/TypeSizeof.cpp)
 CM_EXAMPLE_PROJECT("DataType" TypeSizeof)
 
+add_executable(TypeCastTest datatype/TypeCastTest.cpp)
+cm_example_project("DataType" TypeCastTest)
+
 add_executable(HalfFloatTest datatype/HalfFloatTest.cpp)
 cm_example_project("DataType" HalfFloatTest)
 
diff --git a/datatype/TypeCastTest.cpp b/datatype/TypeCastTest.cpp
new file mode 100644
index 0000000..35e3340
--- /dev/null
+++ b/datatype/TypeCastTest.cpp
@@ -0,0 +1,128 @@
+#include<iostream>
+
+static int BaseClassCount=0;
+
+class BaseClass
+{
+    int count;
+
+public:
+
+    BaseClass()
+    {
+        count=BaseClassCount++;
+        std::cout<<"BaseClass "<<count<<std::endl;
+    }
+
+    virtual ~BaseClass()
+    {
+        std::cout<<"~BaseClass "<<count<<std::endl;
+    }
+};
+
+class SecondClassA:virtual public BaseClass
+{
+public:
+
+    SecondClassA()
+    {
+        std::cout<<"SecondClassA"<<std::endl;
+    }
+
+    virtual ~SecondClassA()
+    {
+        std::cout<<"~SecondClassA"<<std::endl;
+    }
+};
+
+class SecondClassB:virtual public BaseClass
+{
+public:
+
+    SecondClassB()
+    {
+        std::cout<<"SecondClassB"<<std::endl;
+    }
+
+    virtual ~SecondClassB()
+    {
+        std::cout<<"~SecondClassB"<<std::endl;
+    }
+};
+
+class ThirdClass:public SecondClassA,public SecondClassB
+{
+public:
+
+    ThirdClass()
+    {
+        std::cout<<"ThirdClass"<<std::endl;
+    }
+
+    virtual ~ThirdClass()
+    {
+        std::cout<<"~ThirdClass"<<std::endl;
+    }
+};
+
+class SpecialClass:public SecondClassA
+{
+public:
+
+    SpecialClass()
+    {
+        std::cout<<"SpecialClass"<<std::endl;
+    }
+
+    virtual ~SpecialClass()
+    {
+        std::cout<<"~SpecialClass"<<std::endl;
+    }
+};
+
+int main(int,char **)
+{
+    ThirdClass tc;
+
+    BaseClass *bc=&tc;
+
+    SecondClassA *a_from_tc=(SecondClassA *)&tc;
+    SecondClassB *b_from_tc=(SecondClassB *)&tc;
+
+    SecondClassA *a_cast_tc=dynamic_cast<SecondClassA *>(&tc);
+    SecondClassB *b_cast_tc=dynamic_cast<SecondClassB *>(&tc);
+
+    SecondClassA *a_cast_bc=dynamic_cast<SecondClassA *>(bc);
+    SecondClassB *b_cast_bc=dynamic_cast<SecondClassB *>(bc);
+
+    SpecialClass sc;
+    BaseClass *sb=&sc;
+
+    SecondClassA *a_from_sc=dynamic_cast<SecondClassA *>(&sc);
+    SecondClassB *b_from_sc=dynamic_cast<SecondClassB *>(&sc);
+
+    SecondClassA *a_from_sb=dynamic_cast<SecondClassA *>(sb);
+    SecondClassB *b_from_sb=dynamic_cast<SecondClassB *>(sb);
+
+    std::cout<<"tc: "<<&tc<<std::endl;
+
+    std::cout<<"bc: "<<bc<<std::endl;
+
+    std::cout<<"a_from_tc: "<<a_from_tc<<std::endl;
+    std::cout<<"b_from_tc: "<<b_from_tc<<std::endl;
+
+    std::cout<<"a_cast_tc: "<<a_cast_tc<<std::endl;
+    std::cout<<"b_cast_tc: "<<b_cast_tc<<std::endl;
+
+    std::cout<<"a_cast_bc: "<<a_cast_bc<<std::endl;
+    std::cout<<"b_cast_bc: "<<b_cast_bc<<std::endl;
+
+    std::cout<<"sc: "<<&sc<<std::endl;
+
+    std::cout<<"a_from_sc: "<<a_from_sc<<std::endl;
+    std::cout<<"b_from_sc: "<<b_from_sc<<std::endl;
+
+    std::cout<<"a_from_sb: "<<a_from_sb<<std::endl;
+    std::cout<<"b_from_sb: "<<b_from_sb<<std::endl;
+    return 0;
+}
diff --git a/pick/Pick2DTest.cpp b/pick/Pick2DTest.cpp
index 0c1b429..cf6c1bd 100644
--- a/pick/Pick2DTest.cpp
+++ b/pick/Pick2DTest.cpp
@@ -1,5 +1,6 @@
 #include<hgl/type/RectScope.h>
 #include<hgl/graph/Triangle.h>
+#include<hgl/graph/Ray.h>
 #include<hgl/2d/TGA.h>
 #include<hgl/2d/Bitmap.h>
 #include<hgl/2d/BitmapSave.h>