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/*
* 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 org.apache.tools.ant.types.Path;
import org.apache.tools.ant.util.FileUtils;
import org.junit.Test;
/**
* Used to verify the performance effect of classloader changes.
*/
public class AntClassLoaderPerformance {
@Test
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();
}
}
}
}
}
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