| package org.eclipse.aether; |
| |
| /* |
| * 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. |
| */ |
| |
| import static org.junit.Assert.*; |
| |
| import java.util.UUID; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.junit.Test; |
| |
| public class DefaultSessionDataTest |
| { |
| |
| private DefaultSessionData data = new DefaultSessionData(); |
| |
| private Object get( Object key ) |
| { |
| return data.get( key ); |
| } |
| |
| private void set( Object key, Object value ) |
| { |
| data.set( key, value ); |
| } |
| |
| private boolean set( Object key, Object oldValue, Object newValue ) |
| { |
| return data.set( key, oldValue, newValue ); |
| } |
| |
| @Test( expected = RuntimeException.class ) |
| public void testGet_NullKey() |
| { |
| get( null ); |
| } |
| |
| @Test( expected = RuntimeException.class ) |
| public void testSet_NullKey() |
| { |
| set( null, "data" ); |
| } |
| |
| @Test |
| public void testGetSet() |
| { |
| Object key = "key"; |
| assertNull( get( key ) ); |
| set( key, "value" ); |
| assertEquals( "value", get( key ) ); |
| set( key, "changed" ); |
| assertEquals( "changed", get( key ) ); |
| set( key, null ); |
| assertNull( get( key ) ); |
| } |
| |
| @Test |
| public void testGetSafeSet() |
| { |
| Object key = "key"; |
| assertNull( get( key ) ); |
| assertFalse( set( key, "wrong", "value" ) ); |
| assertNull( get( key ) ); |
| assertTrue( set( key, null, "value" ) ); |
| assertEquals( "value", get( key ) ); |
| assertTrue( set( key, "value", "value" ) ); |
| assertEquals( "value", get( key ) ); |
| assertFalse( set( key, "wrong", "changed" ) ); |
| assertEquals( "value", get( key ) ); |
| assertTrue( set( key, "value", "changed" ) ); |
| assertEquals( "changed", get( key ) ); |
| assertFalse( set( key, "wrong", null ) ); |
| assertEquals( "changed", get( key ) ); |
| assertTrue( set( key, "changed", null ) ); |
| assertNull( get( key ) ); |
| assertTrue( set( key, null, null ) ); |
| assertNull( get( key ) ); |
| } |
| |
| @Test( timeout = 10000L ) |
| public void testConcurrency() |
| throws Exception |
| { |
| final AtomicReference<Throwable> error = new AtomicReference<Throwable>(); |
| Thread threads[] = new Thread[20]; |
| for ( int i = 0; i < threads.length; i++ ) |
| { |
| threads[i] = new Thread() |
| { |
| @Override |
| public void run() |
| { |
| for ( int i = 0; i < 100; i++ ) |
| { |
| String key = UUID.randomUUID().toString(); |
| try |
| { |
| set( key, Boolean.TRUE ); |
| assertEquals( Boolean.TRUE, get( key ) ); |
| } |
| catch ( Throwable t ) |
| { |
| error.compareAndSet( null, t ); |
| t.printStackTrace(); |
| } |
| } |
| } |
| }; |
| } |
| for ( Thread thread : threads ) |
| { |
| thread.start(); |
| } |
| for ( Thread thread : threads ) |
| { |
| thread.join(); |
| } |
| assertNull( String.valueOf( error.get() ), error.get() ); |
| } |
| } |