1/*
2 * Copyright (c) 2017, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package micro.benchmarks;
24
25import org.openjdk.jmh.annotations.Benchmark;
26import org.openjdk.jmh.annotations.Scope;
27import org.openjdk.jmh.annotations.State;
28import org.openjdk.jmh.annotations.Warmup;
29
30/**
31 * Benchmarks cost of ArrayList.
32 */
33public class BoxingBenchmark extends BenchmarkBase {
34
35    @State(Scope.Benchmark)
36    public static class ThreadState {
37        int value = 42;
38    }
39
40    @Benchmark
41    @Warmup(iterations = 20)
42    public Integer addBoxed(ThreadState state) {
43        return Integer.valueOf(state.value);
44    }
45
46    @SuppressWarnings("unused")
47    @Benchmark
48    @Warmup(iterations = 20)
49    public int doNothing(ThreadState state) {
50        return 42;
51    }
52}
53