1 files changed, 147 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/1666-2011-compliance/old_event_bug/old_event_bug.cpp b/src/systemc/tests/systemc/1666-2011-compliance/old_event_bug/old_event_bug.cpp
new file mode 100644
index 000000000..e776ceb00
--- /dev/null
+++ b/src/systemc/tests/systemc/1666-2011-compliance/old_event_bug/old_event_bug.cpp
@@ -0,0 +1,147 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+// old_event_bug.cpp -- test for 
+//
+//  Original Author: John Aynsley, Doulos, Inc.
+//
+// MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+//
+// $Log: old_event_bug.cpp,v $
+// Revision 1.2  2011/05/08 19:18:46  acg
+//  Andy Goodrich: remove extraneous + prefixes from git diff.
+//
+
+// Longstanding bug when checking for events in signals
+
+#define SC_INCLUDE_DYNAMIC_PROCESSES
+
+#include <systemc>
+
+using namespace sc_core;
+using std::cout;
+using std::endl;
+
+struct Top: sc_module
+{
+  Top(sc_module_name _name)
+  : counti(0)
+  , countb(0)
+  , reached_the_end(false)
+  {
+    SC_THREAD(T);
+
+    SC_METHOD(MI);
+      sensitive << sigi;
+      dont_initialize();
+
+    SC_METHOD(MB);
+      sensitive << sigb;
+      dont_initialize();
+    
+    sigi.write(0);
+    sigb.write(false);
+    sigi_dummy.write(0);
+    sigb_dummy.write(false);
+  }
+  
+  int counti;
+  int countb;
+  bool reached_the_end;
+  
+  sc_signal<int>  sigi;
+  sc_signal<bool> sigb;
+  
+  sc_signal<int>  sigi_dummy;
+  sc_signal<bool> sigb_dummy;
+  
+  void T()
+  {
+    sc_assert( sigi.event() == false );
+    sc_assert( sigb.event() == false );
+    sc_assert( sigb.posedge() == false );
+    sc_assert( sigb.negedge() == false );
+    
+    sigi.write(1);
+    wait(sigi.value_changed_event());
+    sc_assert( sigi.event() );
+
+    sigb.write(true);
+    wait(sigb.value_changed_event());
+    sc_assert( sigb.event() );
+    sc_assert( sigb.posedge() );
+    sc_assert( sigb.negedge() == false );
+
+    wait(1, SC_NS);
+
+    sc_assert( sigi.event() == false );
+    sc_assert( sigb.event() == false );
+
+    sigi.write(2);
+    sigb.write(false);
+    
+    wait(1, SC_NS);
+
+    sc_assert( sigi.event() == false );
+    sc_assert( sigb.event() == false );
+    sc_assert( sigb.posedge() == false );
+    sc_assert( sigb.negedge() == false );
+    
+    sigi_dummy.write(1);
+    sigb_dummy.write(true);
+   
+    wait(1, SC_NS);
+    
+    sc_assert( sigi_dummy.event() == false );
+    sc_assert( sigb_dummy.event() == false );
+    sc_assert( sigb_dummy.posedge() == false );
+    sc_assert( sigb_dummy.negedge() == false );
+      
+    reached_the_end = true;  
+  }
+  
+  void MI()
+  {
+    sc_assert( sigi.event() );
+    ++counti;
+  }
+  
+  void MB()
+  {
+    sc_assert( sigb.event() );
+    ++countb;
+  }
+  
+  SC_HAS_PROCESS(Top);
+};
+
+int sc_main(int argc, char* argv[])
+{
+  Top top("top");
+  
+  sc_start();
+  
+  sc_assert( top.counti == 2 );
+  sc_assert( top.countb == 2 );
+  sc_assert( top.reached_the_end );
+
+  cout << endl << "Success" << endl;
+  return 0;
+}
+