/*
* 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.tomcat.util.http;
import java.nio.charset.StandardCharsets;
import org.junit.Test;
import org.apache.tomcat.util.buf.MessageBytes;
public class TestMethodPerformance {
private static final int LOOPS = 6;
private static final int ITERATIONS = 100000000;
private static final String INPUT = "GET /context-path/servlet-path/path-info HTTP/1.1";
private static final byte[] INPUT_BYTES = INPUT.getBytes(StandardCharsets.UTF_8);
private static MessageBytes mb = MessageBytes.newInstance();
@Test
public void testGetMethodPerformance() throws Exception {
for (int j = 0; j < LOOPS; j++) {
long start = System.nanoTime();
for (int i = 0; i < ITERATIONS; i++) {
mb.setBytes(INPUT_BYTES, 0, 3);
mb.toStringType();
}
long duration = System.nanoTime() - start;
if (j > 0) {
System.out.println("MessageBytes conversion took :" + duration + "ns");
}
}
for (int j = 0; j < LOOPS; j++) {
long start = System.nanoTime();
for (int i = 0; i < ITERATIONS; i++) {
String method = Method.bytesToString(INPUT_BYTES, 0, 3);
if (method == null) {
mb.setBytes(INPUT_BYTES, 0, 5);
mb.toStringType();
}
}
long duration = System.nanoTime() - start;
if (j > 0) {
System.out.println("Optimized conversion took :" + duration + "ns");
}
}
}
}