/***************************************************************************** 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. *****************************************************************************/ /***************************************************************************** test18.cpp -- Test that time cannot go backwards in simulator Original Author: Andy Goodrich, Forte Design Systems, 2006-05-03 *****************************************************************************/ /***************************************************************************** MODIFICATION LOG - modifiers, enter your name, affiliation, date and changes you are making here. Name, Affiliation, Date: Description of Modification: *****************************************************************************/ // $Log: test18.cpp,v $ // Revision 1.1.1.1 2006/12/15 20:26:06 acg // systemc_tests-2.3 // // Revision 1.1 2006/05/03 19:37:10 acg // Andy Goodrich: new test to check that time will not run backward if a // negative value is given to sc_event::notify() // #include "systemc.h" SC_MODULE(DUT) { SC_CTOR(DUT) { SC_METHOD(catcher); sensitive << m_event; dont_initialize(); SC_CTHREAD(thrower,m_clk.pos()); } void catcher() { cout << sc_time_stamp() << " caught" << endl; } void thrower() { sc_time minus_four(-4.0, SC_NS); wait(7); for (;;) { wait(); cout << sc_time_stamp() << " throwing" << endl; m_event.notify(minus_four); } } sc_in m_clk; sc_event m_event; }; int sc_main(int argc, char* argv[]) { sc_clock clock; DUT dut("dut"); dut.m_clk(clock); sc_start(11, SC_NS); cout << "Program completed" << endl; return 0; }