test/micro/classes/org/openjdk/bench/java/lang/reflect/ClazzWithSecurityManager.java
author redestad
Fri, 05 Oct 2018 18:24:15 +0200
branchJEP-230-microbenchmarks-branch
changeset 56930 079075866d11
parent 56929 test/micro/org/openjdk/bench/java/lang/reflect/ClazzWithSecurityManager.java@b8756e94db7a
child 56936 923f1356c5ea
permissions -rw-r--r--
Reorganize micro sources (classes/resources), add tests using resources as a PoC
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/*
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 * Copyright (c) 2014, 2018 Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package org.openjdk.bench.java.lang.reflect;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.PrintWriter;
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import java.security.NoSuchAlgorithmException;
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import java.security.Policy;
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import java.security.URIParameter;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.TearDown;
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/**
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 * Reflection benchmark
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 */
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@State(Scope.Benchmark)
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public class ClazzWithSecurityManager extends Clazz {
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    private static Policy originalPolicy;
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    private static SecurityManager originalSM;
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    @Setup
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    public void setup() throws IOException, NoSuchAlgorithmException {
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        originalPolicy = Policy.getPolicy();
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        originalSM = System.getSecurityManager();
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        File policyFile = File.createTempFile("security", "policy");
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        policyFile.deleteOnExit();
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        PrintWriter writer = new PrintWriter(policyFile);
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        BufferedReader reader = new BufferedReader(new InputStreamReader(
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                ClazzWithSecurityManager.class.getResourceAsStream("/org/openjdk/bench/java/security/security.policy")));
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        for (String line = reader.readLine(); line != null; line = reader.readLine()) {
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            System.out.println("Adding " + line);
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            writer.write(line);
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        }
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        reader.close();
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        writer.close();
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        Policy policy = Policy.getInstance("JavaPolicy", new URIParameter(policyFile.toURI()));
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        Policy.setPolicy(policy);
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        System.setSecurityManager(new SecurityManager());
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    }
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    @TearDown
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    public void tearDown() {
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        Policy.setPolicy(originalPolicy);
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        System.setSecurityManager(originalSM);
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    }
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}