jdk-24/test/jdk/java/lang/SecurityManager/Basic.java

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/*
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @summary Test SecurityManager methods
* @run junit Basic
*/
import java.security.AccessControlContext;
import java.security.AccessControlException;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class Basic {
@Test
void testGetClassContext() {
var sm = new SecurityManager() {
@Override
public Class<?>[] getClassContext() {
return super.getClassContext();
}
};
Class<?>[] stack = sm.getClassContext();
assertEquals(sm.getClass(), stack[0]); // currently executing method
assertEquals(this.getClass(), stack[1]); // caller
}
@Test
void testGetSecurityContext() {
var sm = new SecurityManager();
var acc = (AccessControlContext) sm.getSecurityContext();
assertThrows(AccessControlException.class,
() -> acc.checkPermission(new RuntimePermission("foo")));
assertNull(acc.getDomainCombiner());
}
@Test
void testGetThreadGroup() {
var sm = new SecurityManager();
assertEquals(Thread.currentThread().getThreadGroup(), sm.getThreadGroup());
}
}