package com.carrotsearch.sizeof;
/**
* 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 java.util.HashSet;
import java.util.Random;
import org.junit.BeforeClass;
import org.junit.Test;
import com.carrotsearch.junitbenchmarks.AbstractBenchmark;
import com.carrotsearch.junitbenchmarks.BenchmarkOptions;
import com.carrotsearch.sizeof.experiments.WildClasses;
/**
* Check large graph of instances with lots of classes.
*/
public class TestProcessingLargeGraph extends AbstractBenchmark {
private static HashSet<Object> randomObjects;
@BeforeClass
public static void prepare() throws Exception {
final Random rnd = new Random(0xdeadbeef);
HashSet<Object> all = new HashSet<Object>();
Class<?>[] classes = WildClasses.ALL;
for (int i = 0; i < 50000; i++) {
all.add(classes[rnd.nextInt(classes.length)].newInstance());
}
randomObjects = all;
}
volatile long guard;
@BenchmarkOptions(callgc = false, benchmarkRounds = 5, warmupRounds = 3)
@Test
public void testWildClasses() {
guard = RamUsageEstimator.sizeOf(randomObjects);
System.out.println(guard);
}
}