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// -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#include <cppunit/TextTestRunner.h>
#include <cppunit/extensions/TestFactoryRegistry.h>
#include <cppunit/extensions/HelperMacros.h>
#ifndef WIN32
#include <unistd.h> // for alarm sleep
#else
#include <io.h>
#include <fcntl.h>
#include <process.h>
#endif
#include "SignalHandler.h"
#include "debug.h"
#include "run_tests_cppunit.h"
#include "test_config.h"
using namespace CppUnit;
using namespace std;
namespace libdap {
/** Test Handler. This is used with the SignalHandlerTest unit tests. */
class TestHandler: public EventHandler {
public:
int flag;
TestHandler() :
flag(0)
{
}
virtual void handle_signal(int signum)
{
DBG(cerr << "signal number " << signum << " received" << endl);
flag = 1;
}
};
class SignalHandlerTest: public TestFixture {
private:
SignalHandler *sh;
TestHandler *th;
public:
SignalHandlerTest()
{
}
~SignalHandlerTest()
{
}
void setUp()
{
sh = SignalHandler::instance();
th = new TestHandler;
}
void tearDown()
{
delete th;
th = 0;
}
// Tests for methods
void register_handler_test()
{
sh->register_handler(SIGALRM, th);
CPPUNIT_ASSERT(sh->d_signal_handlers[SIGALRM] == th);
}
void remove_handler_test()
{
sh->register_handler(SIGALRM, th);
CPPUNIT_ASSERT(sh->remove_handler(SIGALRM) == th);
}
void alarm_test()
{
sh->register_handler(SIGALRM, th, true);
CPPUNIT_ASSERT(th->flag == 0);
alarm(1);
// sleep(2) also works _except_ when run with valgrind; reason
// unknown. jhrg 4/26/13
int start, end;
start = end = time(0);
while (end < start + 2)
end = time(0);
DBG(cerr << "Event handler 'flag' value: " << th->flag << endl);
CPPUNIT_ASSERT(th->flag == 1);
}
CPPUNIT_TEST_SUITE (SignalHandlerTest);
CPPUNIT_TEST (register_handler_test);
CPPUNIT_TEST (remove_handler_test);
CPPUNIT_TEST (alarm_test);
CPPUNIT_TEST_SUITE_END();
};
CPPUNIT_TEST_SUITE_REGISTRATION (SignalHandlerTest);
}
int main(int argc, char*argv[])
{
return run_tests<libdap::SignalHandlerTest>(argc, argv) ? 0: 1;
}
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