/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cxf.transport.http;
import java.net.Authenticator;
import java.net.InetAddress;
import java.net.PasswordAuthentication;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
/**
*
*/
public class CXFAuthenticatorCleanupTest {
/**
*
*/
public CXFAuthenticatorCleanupTest() {
}
@Test
public void runCleanupTestStrongRef() throws Exception {
final List<Integer> traceLengths = new ArrayList<Integer>();
//create a chain of CXFAuthenticators, strongly referenced to prevent cleanups
Authenticator.setDefault(new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
traceLengths.add(Thread.currentThread().getStackTrace().length);
return super.getPasswordAuthentication();
}
});
InetAddress add = InetAddress.getLocalHost();
Authenticator.requestPasswordAuthentication("localhost", add,
8080, "http", "hello", "http");
List<CXFAuthenticator> list = new ArrayList<CXFAuthenticator>();
for (int x = 0; x < 20; x++) {
CXFAuthenticator.addAuthenticator();
list.add(CXFAuthenticator.instance);
CXFAuthenticator.instance = null;
}
Authenticator.requestPasswordAuthentication("localhost", add,
8080, "http", "hello", "http");
for (int x = 9; x > 0; x -= 2) {
list.remove(x);
}
for (int x = 0; x < 10; x++) {
System.gc();
Authenticator.requestPasswordAuthentication("localhost", add,
8080, "http", "hello", "http");
}
list.clear();
for (int x = 0; x < 10; x++) {
System.gc();
Authenticator.requestPasswordAuthentication("localhost", add,
8080, "http", "hello", "http");
}
Assert.assertEquals(22, traceLengths.size());
//first trace would be just the raw authenticator above
int raw = traceLengths.get(0);
//second would be the trace with ALL the auths
int all = traceLengths.get(1);
//after remove of 5 and some gc's
int some = traceLengths.get(11);
//after clear and gc's
int none = traceLengths.get(traceLengths.size() - 1);
//System.out.println(traceLengths);
Assert.assertTrue(all > (raw + 20 * 3)); //all should be A LOT above raw
Assert.assertTrue(all > raw);
Assert.assertTrue(all > some);
Assert.assertTrue(some > none);
Assert.assertEquals(raw, none);
}
@Test
public void runCleanupTestWeakRef() throws Exception {
InetAddress add = InetAddress.getLocalHost();
final List<Integer> traceLengths = new ArrayList<Integer>();
//create a chain of CXFAuthenticators, strongly referenced to prevent cleanups
Authenticator.setDefault(new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
traceLengths.add(Thread.currentThread().getStackTrace().length);
return super.getPasswordAuthentication();
}
});
Authenticator.requestPasswordAuthentication("localhost", add,
8080, "http", "hello", "http");
for (int x = 0; x < 20; x++) {
CXFAuthenticator.addAuthenticator();
CXFAuthenticator.instance = null;
System.gc();
}
CXFAuthenticator.addAuthenticator();
System.gc();
Authenticator.requestPasswordAuthentication("localhost", add,
8080, "http", "hello", "http");
CXFAuthenticator.instance = null;
for (int x = 0; x < 10; x++) {
System.gc();
Authenticator.requestPasswordAuthentication("localhost", add,
8080, "http", "hello", "http");
}
Assert.assertEquals(12, traceLengths.size());
//first trace would be just the raw authenticator above
int raw = traceLengths.get(0);
//second trace should still have an Authenticator added
int one = traceLengths.get(1);
//after clear and gc's
int none = traceLengths.get(traceLengths.size() - 1);
//System.out.println(traceLengths);
Assert.assertTrue(one < (raw + (20 * 2))); //one should only be slightly above raw
Assert.assertTrue(one > raw);
Assert.assertTrue(one > none);
Assert.assertEquals(raw, none);
}
}