create test_tagstream

contrib/plugins/server-extensions/tcp-tagging/ovasCTagStream.h

-#ifndef __OpenViBE_AcquisitionServer_TCPTagSession_H__
-#define __OpenViBE_AcquisitionServer_TCPTagSession_H__
+#ifndef __OpenViBE_AcquisitionServer_TCPTagStream_H__
+#define __OpenViBE_AcquisitionServer_TCPTagStream_H__
 
 #include <queue>
 #include <boost/bind.hpp>
@@ -126,4 +126,4 @@ private:
 
 }
 
-#endif // __OpenViBE_AcquisitionServer_TCPTagSession_H__
+#endif // __OpenViBE_AcquisitionServer_TCPTagStream_H__

contrib/plugins/server-extensions/tcp-tagging/tests/DartTestfile.txt

+ADD_TEST(run_test_tagstream "$ENV{OV_BINARY_PATH}/test_tagstream")

contrib/plugins/server-extensions/tcp-tagging/tests/test_tagstream.cpp

+#include "../ovasCTagStream.h"
+
+using namespace OpenViBEAcquisitionServer;
+using namespace OpenViBEAcquisitionServerPlugins;
+
+int main()
+{
+	bool ok=false;
+
+	CTagStream tagStream1;
+
+	try {
+		// The construction of the second TagStream must fail because of port already in use.
+		CTagStream tagStream2;
+	}
+	catch(std::exception &e) {
+		ok=true;
+	}
+
+	// The construction must succeed because another port is used.
+	CTagStream tagStream3(15362);
+
+	if (!ok)
+		return 1;
+
+	return 0;
+}