Added TestDebug

TestDebug.cc

+/* 
+ * File:   TestDebug.cc
+ * Author: Jiachen Chen
+ * 
+ * Created on April 30, 2019, 2:42 AM
+ */
+
+#include "TestDebug.hh"
+
+CLICK_DECLS
+        
+#define TEST_DEBUG
+        
+#ifdef TEST_DEBUG
+#define DEBUG(...) _DEBUG(__VA_ARGS__, "dummy")
+#define _DEBUG(fmt, ...) printf("[%s():%d] " fmt "%.0s\n", \
+                __func__, __LINE__, __VA_ARGS__)
+#else
+#define DEBUG(...)
+#endif
+
+
+
+TestDebug::TestDebug() = default;
+
+TestDebug::~TestDebug() = default;
+
+int TestDebug::initialize(ErrorHandler* errh __attribute ((__unused__))) {
+    DEBUG("You can only see me when TEST_DEBUG is defined!");
+    DEBUG("You can use this function just as print: %p", this);
+    return 0;
+}
+
+
+CLICK_ENDDECLS
+
+EXPORT_ELEMENT(TestDebug)
\ No newline at end of file

TestDebug.click

+require(package "click_for_comnet");
+
+test :: TestDebug;
+
+DriverManager(stop);

TestDebug.hh

+/* 
+ * File:   TestDebug.hh
+ * Author: Jiachen Chen
+ *
+ * Created on April 30, 2019, 2:42 AM
+ */
+
+#ifndef TESTDEBUG_HH
+#define TESTDEBUG_HH
+
+#include <click/config.h>
+#include <click/element.hh>
+#include <click/error.hh>
+
+CLICK_DECLS
+
+class TestDebug : public Element {
+public:
+    TestDebug();
+    ~TestDebug();
+
+    const char *class_name() const { return "TestDebug"; }
+    int initialize(ErrorHandler *errh);
+private:
+};
+
+CLICK_ENDDECLS
+
+#endif /* TESTDEBUG_HH */
+