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Posted to notifications@ant.apache.org by bo...@apache.org on 2010/03/04 14:17:34 UTC
svn commit: r918979 -
/ant/core/trunk/src/tests/junit/org/apache/tools/ant/AntClassLoaderPerformance.java
Author: bodewig
Date: Thu Mar 4 13:17:33 2010
New Revision: 918979
URL: http://svn.apache.org/viewvc?rev=918979&view=rev
Log:
test that shows Ant 1.8.0's findClass to take 10x the time of Ant 1.7.1's version
Added:
ant/core/trunk/src/tests/junit/org/apache/tools/ant/AntClassLoaderPerformance.java (with props)
Added: ant/core/trunk/src/tests/junit/org/apache/tools/ant/AntClassLoaderPerformance.java
URL: http://svn.apache.org/viewvc/ant/core/trunk/src/tests/junit/org/apache/tools/ant/AntClassLoaderPerformance.java?rev=918979&view=auto
==============================================================================
--- ant/core/trunk/src/tests/junit/org/apache/tools/ant/AntClassLoaderPerformance.java (added)
+++ ant/core/trunk/src/tests/junit/org/apache/tools/ant/AntClassLoaderPerformance.java Thu Mar 4 13:17:33 2010
@@ -0,0 +1,55 @@
+/*
+ * 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.tools.ant;
+
+import java.io.File;
+import junit.framework.TestCase;
+import org.apache.tools.ant.types.Path;
+import org.apache.tools.ant.util.FileUtils;
+
+/**
+ * Used to verify the performance effect of classloader changes.
+ */
+public class AntClassLoaderPerformance extends TestCase {
+
+ public void testFindClass() throws Exception {
+ String testCaseURL = getClass()
+ .getClassLoader().getResource("junit/framework/TestCase.class")
+ .toExternalForm();
+ int pling = testCaseURL.indexOf('!');
+ String jarName = testCaseURL.substring(4, pling);
+ File f = new File(FileUtils.getFileUtils().fromURI(jarName));
+ Path p = new Path(null);
+ p.createPathElement().setLocation(f);
+ AntClassLoader al = null;
+ for (int i = 0; i < 1000; i++) {
+ try {
+ // not using factory method so the test can run on Ant
+ // 1.7.1 as well
+ al = new AntClassLoader(null, null, p, false);
+ al.findClass("junit.framework.TestCase");
+ } finally {
+ if (al != null) {
+ al.cleanup();
+ }
+ }
+ }
+ }
+
+}
Propchange: ant/core/trunk/src/tests/junit/org/apache/tools/ant/AntClassLoaderPerformance.java
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