test

src/CMakeLists.txt

 add_executable(
     lab0_debug main.cpp Human.cpp Student.cpp logging.cpp
+)
+
+add_executable(
+    test_logging test_logging.cpp
 )
\ No newline at end of file

src/main.cpp

@@ -4,7 +4,6 @@
 #include <stdio.h>
 #include "Human.hpp"
 #include "Student.hpp"
-#include "logging.hpp"
 #include <vector>
 
 class check{
@@ -32,8 +31,6 @@ int main(int argc, char** argv){
     auto student1 = static_cast<Student*>(vec.back());
     // check check1 = check(vec.back());   //TODO: Error 2 : why?
     check check1 = check(student1);
-    // LOG(DEBUG) << student1->print();
-    // LOG(WARNING) << human.print();
 
     // std::list<int> list;
     // list.push_back(1);

src/test_logging.cpp

+#include "logging.hpp"
+// 引入头文件
+int main(){
+    LOG(DEBUG) << "This is DEBUG log item.";
+    // 使用关键字 LOG，括号中填入要输出的日志等级
+    // 紧接着就是<<以及日志的具体信息，就跟使用 std::cout 一样
+    LOG(INFO) << "This is INFO log item";
+    LOG(WARNING) << "This is WARNING log item";
+    LOG(ERROR) << "This is ERROR log item";
+    return 0;
+}
\ No newline at end of file