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// Copyright (C) 2005, 2006 Red Hat, Inc.
//
// This file is part of Mauve.
//
// 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.
//
// Tags: JDK1.2
package gnu.testlet.java.lang.SecurityManager;
import java.security.Permission;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import gnu.testlet.TestSecurityManager;
public class thread implements Testlet
{
public void test(TestHarness harness)
{
// The 1.4.2 javadoc for SecurityManager.checkAccess(Thread) says
// that checkAccess will check RuntimePermission("modifyThread")
// for system threads, and do nothing for other threads. It
// defines a system thread as one belonging to a thread group
// with a null parent. SecurityManager.checkAccess(ThreadGroup)
// similarly performs checks only when the group's parent is null.
harness.checkPoint("checkAccess");
// Get ourselves a system thread and group
Thread thread = Thread.currentThread();
ThreadGroup group = thread.getThreadGroup();
harness.check(group != null);
while (group.getParent() != null)
group = group.getParent();
if (thread.getThreadGroup() != group)
thread = new Thread(group, "dummy");
// Check we're checking
TestSecurityManager sm = new TestSecurityManager(harness);
try
{
sm.install();
sm.prepareChecks(new Permission[] {
new RuntimePermission("modifyThread")});
sm.checkAccess(thread);
sm.checkAllChecked();
sm.prepareChecks(new Permission[] {
new RuntimePermission("modifyThreadGroup")});
sm.checkAccess(group);
sm.checkAllChecked();
}
finally
{
sm.uninstall();
}
}
}
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