JavaLangRuntimeTestpublic class JavaLangRuntimeTest extends TestCase
| Fields Summary |
|---|
| SecurityManager | old |
| Methods Summary |
|---|
| protected void | setUp()
old = System.getSecurityManager();
super.setUp();
| | protected void | tearDown()
System.setSecurityManager(old);
super.tearDown();
| | public void | test_exec()
class TestSecurityManager extends SecurityManager {
boolean called;
String cmd;
void reset(){
called = false;
cmd = null;
}
@Override
public void checkExec(String cmd) {
called = true;
this.cmd = cmd;
}
@Override
public void checkPermission(Permission p) {
}
}
String cmd = "ls";
String arg = "-al";
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
Runtime.getRuntime().exec(cmd);
assertTrue("Runtime.exec must call checkExcec on security manager", s.called);
assertEquals("Argument of checkExec is not correct", cmd, s.cmd);
s.reset();
Runtime.getRuntime().exec(cmd, null);
assertTrue("Runtime.exec must call checkExcec on security manager", s.called);
assertEquals("Argument of checkExec is not correct", cmd, s.cmd);
s.reset();
Runtime.getRuntime().exec(new String[]{cmd, arg});
assertTrue("Runtime.exec must call checkExcec on security manager", s.called);
assertEquals("Argument of checkExec is not correct", cmd, s.cmd);
s.reset();
Runtime.getRuntime().exec(new String[]{cmd, arg}, null);
assertTrue("Runtime.exec must call checkExcec on security manager", s.called);
assertEquals("Argument of checkExec is not correct", cmd, s.cmd);
| | public void | test_exit()
class ExitNotAllowedException extends RuntimeException {}
class TestSecurityManager extends SecurityManager {
boolean called;
int status;
void reset(){
called = false;
status = -1;
}
@Override
public void checkExit(int status){
this.called = true;
this.status = status;
throw new ExitNotAllowedException(); // prevent that the system is shut down
}
@Override
public void checkPermission(Permission p) {
}
}
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
try {
Runtime.getRuntime().exit(11);
fail("Runtime.exit must call checkExit on security manager with a RuntimePermission");
}
catch(ExitNotAllowedException e){
// expected exception
}
assertTrue("Runtime.exit must call checkExit on security manager with a RuntimePermission", s.called);
assertEquals("Argument of checkExit is not correct", 11, s.status);
| | public void | test_load()
final String library = "library";
class CheckLinkCalledException extends RuntimeException {}
class TestSecurityManager extends SecurityManager {
@Override
public void checkLink(String lib){
if(library.equals(lib)){
throw new CheckLinkCalledException();
}
}
@Override
public void checkPermission(Permission p) {
}
}
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
try {
Runtime.getRuntime().load(library);
fail("System.load must call checkLink on security manager with argument "+library);
}
catch(CheckLinkCalledException e){
// ok
}
catch(Throwable t){
fail("System.load must call checkLink on security manager with argument "+library);
}
try {
Runtime.getRuntime().loadLibrary(library);
fail("System.load must call checkLink on security manager with argument "+library);
}
catch(CheckLinkCalledException e){
// ok
}
catch(Throwable t){
fail("System.load must call checkLink on security manager with argument "+library);
}
| | public void | test_runFinalizersOnExit()
class TestSecurityManager extends SecurityManager {
boolean called;
int status;
void reset(){
called = false;
status = -1;
}
@Override
public void checkExit(int status){
this.called = true;
this.status = status;
}
@Override
public void checkPermission(Permission p) {
}
}
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
Runtime.runFinalizersOnExit(true);
assertTrue("Runtime.runFinalizersOnExit must call checkExit on security manager with a RuntimePermission", s.called);
assertEquals("Argument of checkExit is not correct", 0, s.status);
s.reset();
Runtime.runFinalizersOnExit(false);
assertTrue("Runtime.runFinalizersOnExit must call checkExit on security manager with a RuntimePermission", s.called);
assertEquals("Argument of checkExit is not correct", 0, s.status);
| | public void | test_shutdownHook()
class TestSecurityManager extends SecurityManager {
boolean called;
Permission permission;
void reset(){
called = false;
permission = null;
}
@Override
public void checkPermission(Permission permission){
if(permission instanceof RuntimePermission){
called = true;
this.permission = permission;
}
}
}
Thread hook = new Thread(){};
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
Runtime.getRuntime().addShutdownHook(hook);
assertTrue("Runtime.addShutdownHook must call checkPermission on security manager with a RuntimePermission", s.called);
assertEquals("Name of RuntimePermission passed to checkPermission is not correct", "shutdownHooks", s.permission.getName());
s.reset();
Runtime.getRuntime().removeShutdownHook(hook);
assertTrue("Runtime.removeShutdownHook must call checkPermission on security manager with a RuntimePermission", s.called);
assertEquals("Name of RuntimePermission passed to checkPermission is not correct", "shutdownHooks", s.permission.getName());
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