diff --git a/src/ext/libcharsetdetect/main.cpp b/src/ext/libcharsetdetect/main.cpp
new file mode 100644
index 0000000..c9411ec
--- /dev/null
+++ b/src/ext/libcharsetdetect/main.cpp
@@ -0,0 +1,49 @@
+#include "memory_leak.h"
+#include "charsetdetect.h"
+#include <iostream>
+#include <fstream>
+#include <string>
+using namespace std;
+
+
+#define BUFFER_SIZE 100*1024
+
+void main(){
+	::_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
+	csd_t csd = csd_open();
+	if(csd == (csd_t)-1){
+		std::cout << "csd_open faild\n";
+		exit(1);
+	}
+
+	//ifstream ifs("E:\\MySourcecode\\git\\cchardet\\test\\testdata\\bg\\ISO-8859-5\\wikitop_bg_ISO-8859-5.txt");
+	//ifstream ifs("E:\\MySourcecode\\git\\cchardet\\test\\testdata\\bg\\UTF-8\\wikitop_bg_UTF-8.txt");
+	ifstream ifs("E:\\MySourcecode\\git\\cchardet\\test\\testdata\\cz\\ISO-8859-2\\wikitop_cz_ISO-8859-2.txt");
+	if(!ifs){
+		std::cerr<<"Cant open the file\n";
+		exit(1);
+	}
+
+	int len;
+	ifs.seekg(0,std::ios::end);
+	len = ifs.tellg();
+	ifs.seekg(0,std::ios::beg);
+	char* buf = new char[len];
+	ifs.read(buf,len);
+	int result;
+	const char *result_;
+	std::cout<<"CLIENT SENDING More Data\n";
+	result = csd_consider(csd, buf,len);
+	if(result < 0){
+		std::cout<<"csd_consider failed\n";
+		exit(1);
+	}
+	result_ = csd_close(csd);
+	if(result_ == NULL){
+		std::cout<<"Unknown character set\n";
+	}else{
+		printf("%s\n", result_);
+	}
+
+	delete buf;
+}
\ No newline at end of file
diff --git a/src/ext/libcharsetdetect/memory_leak.h b/src/ext/libcharsetdetect/memory_leak.h
new file mode 100644
index 0000000..05fd1c4
--- /dev/null
+++ b/src/ext/libcharsetdetect/memory_leak.h
@@ -0,0 +1,8 @@
+#ifndef MEMORY_LEAK_H
+#define MEMORY_LEAK_H
+#define _CRTDBG_MAP_ALLOC
+#include <crtdbg.h>
+#ifdef _DEBUG
+#define new new(_NORMAL_BLOCK,__FILE__,__LINE__)
+#endif
+#endif
\ No newline at end of file