test09.cpp

chronolaw · chronolaw · commit db038101fe60 · 2020-02-27T20:15:19.000+08:00
diff --git a/section2/test09.cpp b/section2/test09.cpp
@@ -0,0 +1,47 @@
+// Copyright (c) 2020 by Chrono
+//
+// g++ test09.cpp -std=c++11 -o a.out;./a.out
+// g++ test09.cpp -std=c++14 -o a.out;./a.out
+// g++ test09.cpp -std=c++14 -I../common -o a.out;./a.out
+
+#include <iostream>
+#include <stdexcept>
+
+using namespace std;
+
+class my_exception : public std::runtime_error
+{
+public:
+    using this_type     = my_exception;
+    using super_type    = std::runtime_error;
+public:
+    my_exception(const char* msg):
+        super_type(msg)
+    {}
+
+    my_exception() = default;
+   ~my_exception() = default;
+};
+
+[[noreturn]]
+void raise(const char* msg)
+{
+    throw runtime_error(msg);
+}
+
+void case1()
+try
+{
+    raise("error occured");
+}
+catch(const exception& e)
+{
+    cout << e.what() << endl;
+}
+
+int main()
+{
+    case1();
+
+    cout << "exception demo" << endl;
+}
