JavaNetDatagramSocketTestpublic class JavaNetDatagramSocketTest 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_ctor()
class TestSecurityManager extends SecurityManager {
boolean called = false;
int port = 0;
void reset(){
called = false;
port = 0;
}
@Override
public void checkListen(int port) {
called = true;
this.port = port;
}
@Override
public void checkPermission(Permission p) {
}
}
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
int port = Support_PortManager.getNextPortForUDP();
s.reset();
DatagramSocket s1 = new DatagramSocket(port);
assertTrue("java.net.DatagramSocket ctor must call checkListen on security manager", s.called);
assertEquals("Argument of checkListen is not correct", port, s.port);
s.reset();
DatagramSocket s2 = new DatagramSocket();
assertTrue("java.net.DatagramSocket ctor must call checkListen on security manager", s.called);
assertEquals("Argument of checkListen is not correct", 0, s.port);
port = Support_PortManager.getNextPortForUDP();
s.reset();
DatagramSocket s3 = new DatagramSocket(new InetSocketAddress(port));
assertTrue("java.net.DatagramSocket ctor must call checkListen on security manager", s.called);
assertEquals("Argument of checkListen is not correct", port, s.port);
port = Support_PortManager.getNextPortForUDP();
s.reset();
DatagramSocket s4 = new DatagramSocket(port, InetAddress.getLocalHost());
assertTrue("java.net.DatagramSocket ctor must call checkListen on security manager", s.called);
assertEquals("Argument of checkListen is not correct", port, s.port);
| public void | test_receive()
class TestSecurityManager extends SecurityManager {
boolean called = false;
void reset(){
called = false;
}
@Override
public void checkAccept(String host, int port) {
this.called = true;
super.checkAccept(host, port);
}
@Override
public void checkPermission(Permission p) {
}
}
final int port = Support_PortManager.getNextPortForUDP();
DatagramSocket s1 = new DatagramSocket(port);
//s1.setSoTimeout(100);
Thread sender = new Thread(){
public void run(){
try {
DatagramPacket sendPacket = new DatagramPacket(new byte[256], 256, InetAddress.getLocalHost(), port);
DatagramSocket sender = new DatagramSocket();
while(!isInterrupted()){
sender.send(sendPacket);
Thread.sleep(10);
}
}
catch(InterruptedException e){
// expected
}
catch(Exception e){
fail("unexpected exception " + e);
}
}
};
sender.start();
DatagramPacket p = new DatagramPacket(new byte[256], 0, 256);
TestSecurityManager s = new TestSecurityManager();
System.setSecurityManager(s);
s.reset();
assertTrue(s1.getInetAddress()==null);
try {
s1.receive(p);
} catch(Exception e) {
fail("unexpected exception " + e);
}
sender.interrupt();
assertTrue("java.net.DatagramSocket.receive must call checkAccept on security manager", s.called);
|
|