/**
* 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.jena.atlas.lib;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class TestRefCountingMap {
private static final String key1 = "key1";
private static final String value1 = "value1";
private static final String value1_1 = "value1_1";
private final RefCountingMap<String,String> map = new RefCountingMap<String, String>();
public TestRefCountingMap() {}
@Test
public void add0() {
assertEquals(0, map.refCount(key1));
String result = map.get(key1);
assertEquals(null, result);
}
@Test
public void add1() {
map.add(key1, value1);
String result = map.get(key1);
assertEquals(value1, result);
assertEquals(1, map.refCount(key1));
}
@Test
public void add2() {
assertEquals(0, map.refCount(key1)) ;
map.add(key1, value1);
assertEquals(1, map.refCount(key1)) ;
map.add(key1, value1);
assertEquals(2, map.refCount(key1)) ;
}
@Test
public void testRemove1() {
map.remove(key1);
String result = map.get(key1);
assertEquals(null, result);
assertEquals(0, map.refCount(key1));
}
@Test
public void add1Remove1() {
map.add(key1, value1);
assertEquals(1, map.refCount(key1));
map.remove(key1);
assertEquals(0, map.refCount(key1));
String result = map.get(key1);
assertEquals(null, result);
}
@Test
public void add2Remove1() {
map.add(key1, value1);
map.add(key1, value1);
map.remove(key1);
String result = map.get(key1);
assertEquals(value1, result);
assertEquals(1, map.refCount(key1));
}
@Test
public void add2Remove2() {
map.add(key1, value1);
map.add(key1, value1);
map.remove(key1);
map.remove(key1);
String result = map.get(key1);
assertEquals(null, result);
assertEquals(0, map.refCount(key1));
}
@Test
public void add2Remove3() {
map.add(key1, value1);
map.add(key1, value1);
map.remove(key1);
map.remove(key1);
map.remove(key1);
String result = map.get(key1);
assertEquals(null, result);
assertEquals(0, map.refCount(key1));
}
@Test
public void add2Remove3Add1() {
map.add(key1, value1);
map.add(key1, value1);
map.remove(key1);
map.remove(key1);
map.remove(key1);
map.add(key1, value1);
String result = map.get(key1);
assertEquals(value1, result);
assertEquals(1, map.refCount(key1));
}
@Test
public void add1Replace1() {
map.add(key1, value1);
map.add(key1, value1_1);
String result = map.get(key1);
assertEquals(value1_1, result);
assertEquals(1, map.refCount(key1));
}
@Test
public void add2ForceRemove() {
map.add(key1, value1);
map.add(key1, value1);
map.removeAll(key1);
String result = map.get(key1);
assertEquals(null, result);
assertEquals(0, map.refCount(key1));
}
@Test
public void add2DifferentValueObjects() {
String value1Copy = new String(value1);
map.add(key1, value1);
map.add(key1, value1Copy);
String result = map.get(key1);
assertEquals(value1, result);
assertEquals(2, map.refCount(key1));
}
}