/*

 * Copyright (c) 2011, 2016, 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

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/**

 * @test

 * @bug 7068051

 * @summary SIGSEGV in PhaseIdealLoop::build_loop_late_post on T5440

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 *          java.management

 *

 * @run main/othervm -showversion -Xbatch compiler.c2.Test7068051

 */

package compiler.c2;

import jdk.test.lib.JDKToolLauncher;

import jdk.test.lib.process.OutputAnalyzer;

import java.io.IOException;

import java.io.InputStream;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.nio.file.StandardCopyOption;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.List;

import java.util.zip.ZipEntry;

import java.util.zip.ZipFile;

public class Test7068051 {

    private static final String SELF_NAME = Test7068051.class.getSimpleName();

    private static final String SELF_FILE_NAME = SELF_NAME + ".java";

    private static final String JAR_NAME = "foo.jar";

    private static final String TEST_PATH = System.getProperty("test.src");

    private static final Path CURRENT_DIR = Paths.get(".");

    private static final Path TEST_SOURCE_PATH = Paths.get(TEST_PATH, SELF_FILE_NAME);

    public static void main (String[] args) throws IOException {

        createTestJarFile();

        System.out.println("Running test...");

        try (ZipFile zf = new ZipFile(JAR_NAME)) {

            Enumeration<? extends ZipEntry> entries = zf.entries();

            ArrayList<String> names = new ArrayList<String>();

            while (entries.hasMoreElements()) {

                names.add(entries.nextElement().getName());

            }

            byte[] bytes = new byte[16];

            for (String name : names) {

                ZipEntry e = zf.getEntry(name);

                if (e.isDirectory()) {

                    continue;

                }

                try (final InputStream is = zf.getInputStream(e)) {

                    try {

                        while (is.read(bytes) >= 0) {

                        }

                    } catch (IOException x) {

                        System.out.println("..................................");

                        System.out.println("          -->  is :" + is);

                        System.out.println("          is.hash :" + is.hashCode());

                        System.out.println();

                        System.out.println("           e.name :" + e.getName());

                        System.out.println("           e.hash :" + e.hashCode());

                        System.out.println("         e.method :" + e.getMethod());

                        System.out.println("           e.size :" + e.getSize());

                        System.out.println("          e.csize :" + e.getCompressedSize());

                        System.out.println("..................................");

                        throw new AssertionError("IOException was throwing while read the archive. Test failed.", x);

                    }

                }

            }

        }

        System.out.println("Test passed.");

    }

    private static void createTestJarFile() {

        ArrayList<String> jarOptions = new ArrayList<>();

        // jar cf foo.jar *

        System.out.println("Creating jar file..");

        jarOptions.add("cf");

        jarOptions.add(JAR_NAME);

        try {

            for (int i = 0; i < 100; ++i) {

                Path temp = Files.createTempFile(CURRENT_DIR, SELF_NAME, ".java");

                Files.copy(TEST_SOURCE_PATH, temp, StandardCopyOption.REPLACE_EXISTING);

                jarOptions.add(temp.toString());

            }

        } catch (IOException ex) {

            throw new AssertionError("TESTBUG: Creating temp files failed.", ex);

        }

        runJar(jarOptions);

        // jar -uf0 foo.jar Test7068051.java

        System.out.println("Adding unpacked file...");

        jarOptions.clear();

        jarOptions.add("-uf0");

        jarOptions.add(JAR_NAME);

        jarOptions.add(TEST_SOURCE_PATH.toString());

        runJar(jarOptions);

    }

    private static void runJar(List<String> params) {

        JDKToolLauncher jar = JDKToolLauncher.create("jar");

        for (String p : params) {

            jar.addToolArg(p);

        }

        ProcessBuilder pb = new ProcessBuilder(jar.getCommand());

        try {

            OutputAnalyzer output = new OutputAnalyzer(pb.start());

            output.shouldHaveExitValue(0);

        } catch (IOException ex) {

            throw new AssertionError("TESTBUG: jar failed.", ex);

        }

    }

}