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// Tags: JDK1.2
// Copyright (C) 2005 Audrius Meskauskas (AudriusA@Bioinformatics.org)
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.net.ServerSocket;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.io.IOException;
import java.net.BindException;
import java.net.ServerSocket;
import java.util.Random;
/**
* This class tests the socket functionality, required by
* CORBA server to work properly. If this does not work,
* CORBA server does not work either.
*
* @author Audrius Meskauskas (AudriusA@bluewin.ch)
*/
public class CORBA
implements Testlet
{
static int NONE = Integer.MIN_VALUE;
public void test(TestHarness harness)
{
// Try 54 times to bind into random port
// between 1000 and 3000.
Random r = new Random();
int port = NONE;
ServerSocket s = null;
Search:
for (int i = 0; i < 54; i++)
{
port = 1000 + r.nextInt(2000);
try
{
s = new ServerSocket(port);
break Search;
}
// Unable to bind, probably the port is in use.
catch (IOException ex)
{
// repeat the loop.
}
}
if (port == NONE)
{
harness.fail("Cannot find any port " +
"between 1000 and 3000 in 54 random attempts"
);
return;
}
harness.check(port, s.getLocalPort(), "getLocalPort, opened");
// Try another socket on the same port.
try
{
ServerSocket s2 = new ServerSocket(port);
harness.fail("BindException must be thrown");
}
catch (Exception ex)
{
harness.check(ex instanceof BindException, "Not a BindException: " +
ex
);
}
// The closed socket must hold its port number.
try
{
s.close();
}
catch (IOException ex)
{
harness.fail("Exception while closing the socket" + ex);
}
harness.check(port, s.getLocalPort(),
"getLocalPort, closed, " + s.getLocalPort()
);
// Try another socket on the same port.
try
{
ServerSocket s2 = new ServerSocket(port);
harness.check(port, s2.getLocalPort(), "Port mismatch");
}
catch (Exception ex)
{
harness.fail("Unable to reuse the port "+port);
}
}
}
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