Author: markt
Date: Thu Jun 21 18:59:05 2018
New Revision: 1834044

URL: http://svn.apache.org/viewvc?rev=1834044&view=rev
Log:
Add a test to use to check for performance changes during refactoring of data 
formatting.

Added:
    
tomcat/trunk/test/org/apache/tomcat/util/http/TestFastHttpDateFormatPerformance.java
   (with props)

Added: 
tomcat/trunk/test/org/apache/tomcat/util/http/TestFastHttpDateFormatPerformance.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/tomcat/util/http/TestFastHttpDateFormatPerformance.java?rev=1834044&view=auto
==============================================================================
--- 
tomcat/trunk/test/org/apache/tomcat/util/http/TestFastHttpDateFormatPerformance.java
 (added)
+++ 
tomcat/trunk/test/org/apache/tomcat/util/http/TestFastHttpDateFormatPerformance.java
 Thu Jun 21 18:59:05 2018
@@ -0,0 +1,64 @@
+/*
+ *  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 org.junit.Test;
+
+public class TestFastHttpDateFormatPerformance {
+
+    @Test
+    public void testGetCurrentDateConcurrent() throws InterruptedException {
+        int threadCount = 8;
+        int callCount = 100000000;
+        Thread[] threads = new Thread[threadCount];
+
+        for (int i = 0; i < threadCount; i++) {
+            threads[i] = new GetCurrentDateThread(callCount);
+        }
+
+        long startTime = System.nanoTime();
+
+        for (int i = 0; i < threadCount; i++) {
+            threads[i].start();
+        }
+
+        for (int i = 0; i < threadCount; i++) {
+            threads[i].join();
+        }
+
+        long endTime = System.nanoTime();
+
+        System.out.println("Duration: " + (endTime - startTime));
+    }
+
+
+    private static class GetCurrentDateThread extends Thread {
+
+        private final int callCount;
+
+        public GetCurrentDateThread(int callCount) {
+            this.callCount = callCount;
+        }
+
+        @Override
+        public void run() {
+            for (int i = 0; i < callCount; i++) {
+                FastHttpDateFormat.getCurrentDate();
+            }
+        }
+    }
+}

Propchange: 
tomcat/trunk/test/org/apache/tomcat/util/http/TestFastHttpDateFormatPerformance.java
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    svn:eol-style = native



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