/* * Copyright 2015 Goldman Sachs. * * Licensed 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 com.gs.collections.impl.jmh; import java.util.ArrayList; import java.util.List; import java.util.concurrent.TimeUnit; import com.gs.collections.api.list.MutableList; import com.gs.collections.impl.jmh.runner.AbstractJMHTestRunner; import com.gs.collections.impl.list.Interval; import com.gs.collections.impl.list.mutable.FastList; import org.openjdk.jmh.annotations.Benchmark; import org.openjdk.jmh.annotations.BenchmarkMode; import org.openjdk.jmh.annotations.Mode; import org.openjdk.jmh.annotations.OutputTimeUnit; import org.openjdk.jmh.annotations.Scope; import org.openjdk.jmh.annotations.State; @State(Scope.Thread) @BenchmarkMode(Mode.Throughput) @OutputTimeUnit(TimeUnit.SECONDS) public class ListAddAllTest extends AbstractJMHTestRunner { private static final int SIZE = 1000; private final List<Integer> integersJDK = new ArrayList<>(Interval.oneTo(SIZE)); private final MutableList<Integer> integersGSC = FastList.newList(Interval.oneTo(SIZE)); @Benchmark public void jdk() { List<Integer> result = new ArrayList<>(); for (int i = 0; i < 1000; i++) { result.addAll(this.integersJDK); } if (result.size() != 1_000_000) { throw new AssertionError(); } } @Benchmark public void gsc() { MutableList<Integer> result = FastList.newList(); for (int i = 0; i < 1000; i++) { result.addAll(this.integersGSC); } if (result.size() != 1_000_000) { throw new AssertionError(); } } }