/*
* 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 java.util.concurrent.Callable ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.atlas.lib.Cache ;
import org.apache.jena.atlas.lib.CacheFactory ;
import org.junit.Test ;
// Non-parameterized tests
public class TestCache2 extends BaseTest
{
// Cache1
@Test public void cache_10()
{
Cache<Integer, String> cache = CacheFactory.createOneSlotCache() ;
String str = cache.getIfPresent(1) ;
assertNull(str) ;
cache.put(1, "1") ;
str = cache.getIfPresent(1) ;
assertEquals("1", str) ;
cache.put(2, "2") ;
str = cache.getIfPresent(1) ;
assertNull(str) ;
cache.put(1, "1") ;
str = cache.getIfPresent(2) ;
assertNull(str) ;
str = cache.getIfPresent(1) ;
assertEquals("1", str) ;
}
static Callable<String> getter(final Integer key) {
return () -> key.toString();
}
// Cache + getters
@Test public void cacheGetter_1()
{
Cache<Integer, String> cache = CacheFactory.createCache(2) ;
String str = cache.getOrFill(1, getter(1)) ;
assertEquals("1", str) ;
}
// Cache + getters
@Test public void cacheGetter_2()
{
Cache<Integer, String> cache = CacheFactory.createCache(2) ;
String str1 = cache.getOrFill(1, getter(1)) ;
String str2 = cache.getOrFill(2, getter(2)) ;
String str3 = cache.getOrFill(3, getter(3)) ;
assertEquals("1", str1) ;
assertEquals("2", str2) ;
assertEquals("3", str3) ;
cache.put(1, "10") ;
str1 = cache.getIfPresent(1) ;
assertEquals("10", str1) ;
}
}