/*

 * 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 CommandLineTests.sh

 * @bug  6521334 6965836 6965836

 * @compile -XDignore.symbol.file CommandLineTests.java Pack200Test.java

 * @run main/timeout=1200 CommandLineTests

 * @summary An ad hoc test to verify the behavior of pack200/unpack200 CLIs,

 *           and a simulation of pack/unpacking in the install repo.

 * @author ksrini

 */

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.PrintStream;

import java.util.ArrayList;

import java.util.List;

/*

 * We try a potpouri of things ie. we have pack.conf to setup some

 * options as well as a couple of command line options. We also test

 * the packing and unpacking mechanism using the Java APIs. This also

 * simulates pack200 the install workspace, noting that this is a simulation

 * and can only test jars that are guaranteed to be available, also the

 * configuration may not be in sync with the installer workspace.

 */

public class CommandLineTests {

    private static final File CWD = new File(".");

    private static final File EXP_SDK = new File(CWD, "exp-sdk-image");

    private static final File EXP_SDK_LIB_DIR = new File(EXP_SDK, "lib");

    private static final File EXP_SDK_BIN_DIR = new File(EXP_SDK, "bin");

    private static final File EXP_JRE_DIR = new File(EXP_SDK, "jre");

    private static final File EXP_JRE_LIB_DIR = new File(EXP_JRE_DIR, "lib");

    private static final File RtJar = new File(EXP_JRE_LIB_DIR, "rt.jar");

    private static final File CharsetsJar = new File(EXP_JRE_LIB_DIR, "charsets.jar");

    private static final File JsseJar = new File(EXP_JRE_LIB_DIR, "jsse.jar");

    private static final File ToolsJar = new File(EXP_SDK_LIB_DIR, "tools.jar");

    private static final File javaCmd;

    private static final File javacCmd;

    private static final File ConfigFile = new File("pack.conf");

    private static final List<File> jarList;

    static {

        javaCmd = Utils.IsWindows

                    ? new File(EXP_SDK_BIN_DIR, "java.exe")

                    : new File(EXP_SDK_BIN_DIR, "java");

        javacCmd = Utils.IsWindows

                    ? new File(EXP_SDK_BIN_DIR, "javac.exe")

                    : new File(EXP_SDK_BIN_DIR, "javac");

        jarList = new ArrayList<File>();

        jarList.add(RtJar);

        jarList.add(CharsetsJar);

        jarList.add(JsseJar);

        jarList.add(ToolsJar);

    }

    // init test area with a copy of the sdk

    static void init() throws IOException {

            Utils.recursiveCopy(Utils.JavaSDK, EXP_SDK);

            creatConfigFile();

    }

    // Hopefully, this should be kept in sync with what the installer does.

    static void creatConfigFile() throws IOException {

        FileOutputStream fos = null;

        PrintStream ps = null;

        try {

            fos = new FileOutputStream(ConfigFile);

            ps = new PrintStream(fos);

            ps.println("com.sun.java.util.jar.pack.debug.verbose=0");

            ps.println("pack.modification.time=keep");

            ps.println("pack.keep.class.order=true");

            ps.println("pack.deflate.hint=false");

            // Fail the build, if new or unknown attributes are introduced.

            ps.println("pack.unknown.attribute=error");

            ps.println("pack.segment.limit=-1");

            // BugId: 6328502,  These files will be passed-through as-is.

            ps.println("pack.pass.file.0=java/lang/Error.class");

            ps.println("pack.pass.file.1=java/lang/LinkageError.class");

            ps.println("pack.pass.file.2=java/lang/Object.class");

            ps.println("pack.pass.file.3=java/lang/Throwable.class");

            ps.println("pack.pass.file.4=java/lang/VerifyError.class");

            ps.println("pack.pass.file.5=com/sun/demo/jvmti/hprof/Tracker.class");

        } finally {

            Utils.close(ps);

            Utils.close(fos);

        }

    }

    static void runPack200(boolean jre) throws IOException {

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

        for (File f : jarList) {

            if (jre && f.getName().equals("tools.jar")) {

                continue;  // need not worry about tools.jar for JRE

            }

            // make a backup copy for re-use

            File bakFile = new File(f.getName() + ".bak");

            if (!bakFile.exists()) {  // backup

                Utils.copyFile(f, bakFile);

            } else {  // restore

                Utils.copyFile(bakFile, f);

            }

            cmdsList.clear();

            cmdsList.add(Utils.getPack200Cmd());

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

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

            cmdsList.add(Utils.Is64Bit ? "-J-Xmx1g" : "-J-Xmx512m");

            cmdsList.add("--repack");

            cmdsList.add("--config-file=" + ConfigFile.getAbsolutePath());

            if (jre) {

                cmdsList.add("--strip-debug");

            }

            // NOTE: commented until 6965836 is fixed

            // cmdsList.add("--code-attribute=StackMapTable=strip");

            cmdsList.add(f.getAbsolutePath());

            Utils.runExec(cmdsList);

        }

    }

    static void testJRE() throws IOException {

        runPack200(true);

        // the speciment JRE

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

        cmdsList.add(javaCmd.getAbsolutePath());

        cmdsList.add("-verify");

        cmdsList.add("-version");

        Utils.runExec(cmdsList);

    }

    static void testJDK() throws IOException {

        runPack200(false);

        // test the specimen JDK

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

        cmdsList.add(javaCmd.getAbsolutePath());

        cmdsList.add("-verify");

        cmdsList.add("-version");

        Utils.runExec(cmdsList);

        // invoke javac to test the tools.jar

        cmdsList.clear();

        cmdsList.add(javacCmd.getAbsolutePath());

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

        cmdsList.add("-help");

        Utils.runExec(cmdsList);

    }

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

        try {

            init();

            testJRE();

            testJDK();

        } catch (IOException ioe) {

            throw new RuntimeException(ioe);

        }

    }

}