jdk/test/java/lang/ClassLoader/EndorsedDirs.java
author mchung
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8067366: Allow java.{endorsed,ext}.dirs property be set to empty string Reviewed-by: alanb, hseigel
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/*
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 * Copyright (c) 2014, 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.
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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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/*
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 * @test
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 * @bug 8060206 8067366
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 * @summary Endorsed standards and override mechanism is removed
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 */
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import java.io.*;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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import java.util.stream.Collectors;
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public class EndorsedDirs {
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    private static String[] VALUES = new String[] {
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            null,
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            "",
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            "\"\""
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    };
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    public static void main(String... args) throws Exception {
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        String value = System.getProperty("java.endorsed.dirs");
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        System.out.format("java.endorsed.dirs = '%s'%n", value);
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        if (args.length > 0) {
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            int index = Integer.valueOf(args[0]);
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            String expectedValue = VALUES[index];
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            if (!(expectedValue == value ||
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                    (value != null && value.isEmpty()) ||
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                    (expectedValue != null & expectedValue.equals(value)))) {
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                throw new RuntimeException("java.endorsed.dirs (" +
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                        value + ") != " + expectedValue);
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            }
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            // launched by subprocess.
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            return;
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        }
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        if (value != null) {
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            throw new RuntimeException("java.endorsed.dirs not removed: " + value);
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        }
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        fatalError(0, "-Djava.endorsed.dirs=foo");
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        start(0);
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        start(1, "-Djava.endorsed.dirs=");
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        start(2, "-Djava.endorsed.dirs=\"\"");
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    }
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    static ProcessBuilder newProcessBuilder(int testParam, String... args) throws Exception {
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        List<String> commands = new ArrayList<>();
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        String java = System.getProperty("java.home") + "/bin/java";
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        commands.add(java);
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        for (String s : args) {
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            commands.add(s);
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        }
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        String cpath = System.getProperty("test.classes", ".");
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        commands.add("-cp");
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        commands.add(cpath);
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        commands.add("EndorsedDirs");
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        commands.add(String.valueOf(testParam));
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        System.out.println("Testing " + commands.stream().collect(Collectors.joining(" ")));
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        return new ProcessBuilder(commands);
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    }
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    static void start(int testParam, String... args) throws Exception {
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        start(newProcessBuilder(testParam, args), false);
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    }
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    static void fatalError(int testParam, String... args) throws Exception {
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        start(newProcessBuilder(testParam, args), true);
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    }
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    static void start(ProcessBuilder pb, boolean fatalError) throws Exception {
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        final Process process = pb.start();
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        BufferedReader errorStream = new BufferedReader(
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                new InputStreamReader(process.getErrorStream()));
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        BufferedReader outStream = new BufferedReader(
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                new InputStreamReader(process.getInputStream()));
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        String errorLine;
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        StringBuilder errors = new StringBuilder();
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        String outLines;
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        while ((errorLine = errorStream.readLine()) != null) {
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            errors.append(errorLine).append("\n");
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        }
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        while ((outLines = outStream.readLine()) != null) {
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            System.out.println(outLines);
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        }
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        errorLine = errors.toString();
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        System.err.println(errorLine);
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        process.waitFor(1000, TimeUnit.MILLISECONDS);
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        int exitStatus = process.exitValue();
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        if (fatalError) {
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            if (exitStatus == 0) {
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                throw new RuntimeException("Expected fatal error");
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            }
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            if (!errorLine.contains("Could not create the Java Virtual Machine")) {
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                throw new RuntimeException(errorLine);
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            }
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        } else if (exitStatus != 0) {
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            throw new RuntimeException("Failed: " + errorLine);
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        }
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    }
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}