/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed 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.
*/
package tests.security.permissions;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.Permission;
import junit.framework.TestCase;
import tests.support.Support_ClassLoader;
import dalvik.annotation.AndroidOnly;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestLevel;
/*
* This class tests the security permissions which are documented in
* http://java.sun.com/j2se/1.5.0/docs/guide/security/permissions.html#PermsAndMethods
* for class java.lang.Thread
*/
@TestTargetClass(java.lang.Thread.class)
public class JavaLangThreadTest extends TestCase {
SecurityManager old;
@Override
protected void setUp() throws Exception {
old = System.getSecurityManager();
super.setUp();
}
@Override
protected void tearDown() throws Exception {
System.setSecurityManager(old);
super.tearDown();
}
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Verifies that setContextClassLoader calls checkPermission on security manager.",
method = "setContextClassLoader",
args = {java.lang.ClassLoader.class}
)
public void test_setContextClassLoader() {
class TestSecurityManager extends SecurityManager {
boolean called;
Permission p;
void reset() {
called = false;
p = null;
}
@Override
public void checkPermission(Permission p) {
called = true;
this.p = p;
}
}
Thread t = Thread.currentThread();
ClassLoader cl = t.getContextClassLoader();
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
t.setContextClassLoader(cl);
assertTrue(
"Thread.setContextClassLoader must call checkPermission on security manager",
s.called);
assertEquals(
"Argument of checkPermission is not correct",
new RuntimePermission("setContextClassLoader"),
s.p);
}
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Verifies that setContextClassLoader calls checkAccess on security manager.",
method = "enumerate",
args = {java.lang.Thread[].class}
)
@AndroidOnly("RI impl differs from RI spec, Android impl does not.")
public void test_enumerate() {
class TestSecurityManager extends SecurityManager {
boolean called;
Thread t;
void reset() {
called = false;
t = null;
}
@Override
public void checkAccess(Thread t) {
called = true;
this.t = t;
}
@Override
public void checkPermission(Permission p) {
}
}
Thread t = Thread.currentThread();
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
Thread.enumerate(new Thread[]{});
assertTrue(
"Thread.enumerate must call checkAccess on security manager",
s.called);
assertEquals(
"Argument of checkAccess is not correct",
t, s.t);
}
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Verifies that getContextClassLoader calls checkPermission " +
"on security manager.",
method = "getContextClassLoader",
args = {}
)
@AndroidOnly("RI impl differs from RI spec, Android impl does not.")
public void test_getContextClassLoader() {
class TestSecurityManager extends SecurityManager {
boolean called;
void reset() {
called = false;
}
@Override
public void checkPermission(Permission p) {
if(p instanceof RuntimePermission
&& "getClassLoader".equals(p.getName())) {
called = true;
}
}
}
TestSecurityManager sm = new TestSecurityManager();
Thread t1 = new Thread();
Thread t2 = new Thread();
Thread t3 = new Thread();
Thread t4 = new Thread();
Thread t5 = new Thread();
assertNotNull("test assumption: caller's class loader must not be null",
this.getClass().getClassLoader());
URL url;
try {
url = new URL("file:");
} catch (MalformedURLException ex) {
throw new RuntimeException(ex);
}
t1.setContextClassLoader(null);
t2.setContextClassLoader(this.getClass().getClassLoader());
t3.setContextClassLoader(this.getClass().getClassLoader().getParent());
t4.setContextClassLoader(
Support_ClassLoader.getInstance(url,
getClass().getClassLoader()));
t5.setContextClassLoader(
new ClassLoader(this.getClass().getClassLoader()) {});
System.setSecurityManager(sm);
sm.reset();
t1.getContextClassLoader();
assertTrue("permission must be checked: caller's class loader is not " +
"equal to the requested class loader nor to any of its parents",
sm.called);
sm.reset();
t2.getContextClassLoader();
assertFalse("permission must not be checked: " +
"caller's class loader is identical to requested class loader",
sm.called);
sm.reset();
t3.getContextClassLoader();
assertTrue("permission must be checked: caller's class loader is not " +
"equal to the requested class loader nor to any of its parents" +
" (context class loader is parent of caller's class loader)",
sm.called);
sm.reset();
t4.getContextClassLoader();
assertFalse("permission must not be checked: " +
"caller's class loader is parent of requested class loader",
sm.called);
sm.reset();
t5.getContextClassLoader();
assertFalse("permission must not be checked: " +
"caller's class loader is parent of requested class loader",
sm.called);
}
}
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