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diff --git a/src/systemc/tests/systemc/kernel/sc_event/test03/test03.cpp b/src/systemc/tests/systemc/kernel/sc_event/test03/test03.cpp
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@@ -0,0 +1,72 @@
+/*****************************************************************************
+
+ Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+ more contributor license agreements. See the NOTICE file distributed
+ with this work for additional information regarding copyright ownership.
+ Accellera licenses this file to you under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with the
+ License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ test03.cpp --
+
+ Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+ changes you are making here.
+
+ Name, Affiliation, Date:
+ Description of Modification:
+
+ *****************************************************************************/
+
+// test of immediate notification check in the update phase
+
+#include "systemc.h"
+
+class my_signal
+: public sc_signal<int>
+{
+public:
+
+ my_signal()
+ : sc_signal<int>()
+ {}
+
+protected:
+
+ virtual void update()
+ {
+ if( m_new_val != m_cur_val ) {
+ m_cur_val = m_new_val;
+ ((sc_event&)value_changed_event()).notify(); // immediate notification!?
+ }
+ }
+};
+
+int
+sc_main( int, char*[] )
+{
+ my_signal sig;
+
+ sig.write( 1 );
+
+ sc_start();
+
+ return 0;
+}