/*

 * Copyright (c) 2010, 2018, 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 6575373 6969063

 * @summary verify default properties of the packer/unpacker and segment limit

 * @modules java.logging

 *          jdk.compiler

 *          jdk.zipfs

 * @compile -XDignore.symbol.file Utils.java Pack200Props.java

 * @run main Pack200Props

 * @author ksrini

 */

import java.io.File;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.jar.Pack200;

import java.util.jar.Pack200.Packer;

import java.util.logging.Logger;

/*

 * Run this against a large jar file, by default the packer should generate only

 * one segment, parse the output of the packer to verify if this is indeed true.

 */

public class Pack200Props {

    final static Logger log = Logger.getLogger("Pack200Props");

    public static void main(String... args) throws Exception {

        verifyDefaults();

        File out = new File("test" + Utils.PACK_FILE_EXT);

        out.delete();

        verifySegmentLimit(out);

        log.info("cleanup");

        Utils.cleanup();

    }

    static void verifySegmentLimit(File outFile) throws Exception {

        log.info("creating jar");

        File testJar = Utils.createRtJar();

        log.info("using pack200: " + Utils.getPack200Cmd());

        List<String> cmdsList = new ArrayList<>();

        cmdsList.add(Utils.getPack200Cmd());

        cmdsList.add("-J-Xshare:off");

        cmdsList.add("-J-Xmx1280m");

        cmdsList.add("--effort=1");

        cmdsList.add("--verbose");

        cmdsList.add("--no-gzip");

        cmdsList.add(outFile.getName());

        cmdsList.add(testJar.getAbsolutePath());

        List<String> outList = Utils.runExec(cmdsList);

        log.info("verifying");

        int count = 0;

        for (String line : outList) {

            System.out.println(line);

            if (line.matches(".*Transmitted.*files of.*input bytes in a segment of.*bytes")) {

                count++;

            }

        }

        log.info("fini");

        if (count == 0) {

            throw new RuntimeException("no segments or no output ????");

        } else if (count > 1) {

            throw new RuntimeException("multiple segments detected, expected 1");

        }

    }

    private static void verifyDefaults() {

        log.info("start");

        Map<String, String> expectedDefaults = new HashMap<>();

        Packer p = Pack200.newPacker();

        expectedDefaults.put("com.sun.java.util.jar.pack.disable.native",

                p.FALSE);

        expectedDefaults.put("com.sun.java.util.jar.pack.verbose", "0");

        expectedDefaults.put(p.CLASS_ATTRIBUTE_PFX + "CompilationID", "RUH");

        expectedDefaults.put(p.CLASS_ATTRIBUTE_PFX + "SourceID", "RUH");

        expectedDefaults.put(p.CODE_ATTRIBUTE_PFX + "CharacterRangeTable",

                "NH[PHPOHIIH]");

        expectedDefaults.put(p.CODE_ATTRIBUTE_PFX + "CoverageTable",

                "NH[PHHII]");

        expectedDefaults.put(p.DEFLATE_HINT, p.KEEP);

        expectedDefaults.put(p.EFFORT, "5");

        expectedDefaults.put(p.KEEP_FILE_ORDER, p.TRUE);

        expectedDefaults.put(p.MODIFICATION_TIME, p.KEEP);

        expectedDefaults.put(p.SEGMENT_LIMIT, "-1");

        expectedDefaults.put(p.UNKNOWN_ATTRIBUTE, p.PASS);

        Map<String, String> props = p.properties();

        int errors = 0;

        for (String key : expectedDefaults.keySet()) {

            String def = expectedDefaults.get(key);

            String x = props.get(key);

            if (x == null) {

                System.out.println("Error: key not found:" + key);

                errors++;

            } else {

                if (!def.equals(x)) {

                    System.out.println("Error: key " + key

                            + "\n  value expected: " + def

                            + "\n  value obtained: " + x);

                    errors++;

                }

            }

        }

        log.info("fini");

        if (errors > 0) {

            throw new RuntimeException(errors +

                    " error(s) encountered in default properties verification");

        }

    }

}