From 076c6b1c71c13f4b03562fbde16196fedd861f45 Mon Sep 17 00:00:00 2001
From: Joakim Erdfelt <joakim.erdfelt@gmail.com>
Date: Tue, 14 May 2019 12:34:13 -0500
Subject: [PATCH] Issue #2909 - adding jmh tests

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>
---
 .../jetty/util/jmh/B64CodeBenchmark.java      | 116 ++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 jetty-jmh/src/main/java/org/eclipse/jetty/util/jmh/B64CodeBenchmark.java

diff --git a/jetty-jmh/src/main/java/org/eclipse/jetty/util/jmh/B64CodeBenchmark.java b/jetty-jmh/src/main/java/org/eclipse/jetty/util/jmh/B64CodeBenchmark.java
new file mode 100644
index 00000000000..329cf7ee539
--- /dev/null
+++ b/jetty-jmh/src/main/java/org/eclipse/jetty/util/jmh/B64CodeBenchmark.java
@@ -0,0 +1,116 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2019 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.util.jmh;
+
+import java.util.Base64;
+import java.util.Random;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jetty.util.B64Code;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Threads;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.profile.GCProfiler;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Benchmark)
+@Threads(4)
+@Warmup(iterations = 4, time = 1, timeUnit = TimeUnit.SECONDS)
+@Measurement(iterations = 4, time = 1, timeUnit = TimeUnit.SECONDS)
+public class B64CodeBenchmark
+{
+    @Param({"200", "2000", "20000", "200000"})
+    int size;
+
+    Base64.Encoder javaEncoder;
+    Base64.Decoder javaDecoder;
+    byte[] rawBuffer;
+    String rawEncodedBuffer;
+
+    @Setup(Level.Trial)
+    public void setupTrial() throws Exception
+    {
+        rawBuffer = new byte[size];
+        Random random = new Random();
+        random.setSeed(8080);
+        random.nextBytes(rawBuffer);
+
+        javaEncoder = Base64.getEncoder();
+        javaDecoder = Base64.getDecoder();
+
+        // prepare encoded buffer for Decode benchmarks
+        rawEncodedBuffer = Base64.getEncoder().encodeToString(rawBuffer);
+    }
+
+    @TearDown(Level.Trial)
+    public static void stopTrial() throws Exception
+    {
+    }
+
+    @Benchmark
+    @BenchmarkMode({Mode.Throughput})
+    public char[] testJettyEncode() throws Exception
+    {
+        return B64Code.encode(rawBuffer);
+    }
+
+    @Benchmark
+    @BenchmarkMode({Mode.Throughput})
+    public byte[] testJettyDecode() throws Exception
+    {
+        return B64Code.decode(rawEncodedBuffer);
+    }
+
+    @Benchmark
+    @BenchmarkMode({Mode.Throughput})
+    public byte[] testJavaEncode()
+    {
+        return javaEncoder.encode(rawBuffer);
+    }
+
+    @Benchmark
+    @BenchmarkMode({Mode.Throughput})
+    public byte[] testJavaDecode()
+    {
+        return javaDecoder.decode(rawEncodedBuffer);
+    }
+
+    public static void main(String[] args) throws RunnerException
+    {
+        Options opt = new OptionsBuilder()
+            .include(B64CodeBenchmark.class.getSimpleName())
+            .addProfiler(GCProfiler.class)
+            .forks(1)
+            .build();
+
+        new Runner(opt).run();
+    }
+}