/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 8013827 8011950
 * @summary Check whether File.createTempFile can handle special parameters
 *          on Windows platforms
 * @author Dan Xu
 */

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;

public class SpecialTempFile {
    /**
     * The maximum time, 2 seconds, to wait for each test.
     */
    private static final int TIME_OUT = 2;

    static class TestTask implements Runnable {

        private String name;
        private String[] prefix;
        private String[] suffix;

        public TestTask(String test, String[] pre, String[] suf) {
            name = test;
            prefix = pre;
            suffix = suf;
        }

        @Override
        public void run() {
            if (prefix == null || suffix == null
                    || prefix.length != suffix.length)
            {
                return;
            }

            final String exceptionMsg = "Unable to create temporary file";
            final String errMsg = "IOException is expected";

            for (int i = 0; i < prefix.length; i++) {
                boolean exceptionThrown = false;
                File f = null;
                System.out.println("In test " + name
                                   + ", creating temp file with prefix, "
                                   + prefix[i] + ", suffix, " + suffix[i]);
                try {
                    f = File.createTempFile(prefix[i], suffix[i]);
                } catch (IOException e) {
                    if (exceptionMsg.equals(e.getMessage()))
                        exceptionThrown = true;
                }
                if (!exceptionThrown || f != null)
                    throw new RuntimeException(errMsg);
            }
        }
    }

    public static void main(String[] args) throws Exception {
        if (!System.getProperty("os.name").startsWith("Windows"))
            return;

        List<Runnable> testList = new ArrayList<>(2);
        // Test JDK-8013827
        String[] resvPre = {"LPT1.package.zip", "com7.4.package.zip"};
        String[] resvSuf = {".temp", ".temp"};
        testList.add(new TestTask("ReservedName", resvPre, resvSuf));

        // Test JDK-8011950
        String[] slashPre = {"///..///", "temp", "///..///"};
        String[] slashSuf = {".temp", "///..///..", "///..///.."};
        testList.add(new TestTask("SlashedName", slashPre, slashSuf));

        ExecutorService executor = Executors.newSingleThreadExecutor();
        try {
            for (int i = 0; i < testList.size(); i++) {
                Future<?> future = executor.submit(testList.get(i));
                future.get(TIME_OUT, TimeUnit.SECONDS);
            }
        } finally {
            executor.shutdownNow();
        }
    }
}