/*

 * Copyright (c) 2011, 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 7029048

 * @summary Checks for LD_LIBRARY_PATH on *nixes

 * @compile -XDignore.symbol.file ExecutionEnvironment.java TestHelper.java Test7029048.java

 * @run main Test7029048

 */

/*

 * 7029048: test for LD_LIBRARY_PATH set to different paths pointing which may

 * contain a libjvm.so and may not, but we test to ensure that the launcher

 * behaves correctly in all cases.

 */

import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

public class Test7029048 {

    static int passes = 0;

    static int errors = 0;

    private static final String LIBJVM = ExecutionEnvironment.LIBJVM;

    private static final String LD_LIBRARY_PATH =

            ExecutionEnvironment.LD_LIBRARY_PATH;

    private static final String LD_LIBRARY_PATH_32 =

            ExecutionEnvironment.LD_LIBRARY_PATH_32;

    private static final String LD_LIBRARY_PATH_64 =

            ExecutionEnvironment.LD_LIBRARY_PATH_64;

    private static final File libDir =

            new File(System.getProperty("sun.boot.library.path"));

    private static final File srcServerDir = new File(libDir, "server");

    private static final File srcLibjvmSo = new File(srcServerDir, LIBJVM);

    private static final File dstLibDir = new File("lib");

    private static final File dstLibArchDir =

            new File(dstLibDir, TestHelper.getJreArch());

    private static final File dstServerDir = new File(dstLibArchDir, "server");

    private static final File dstServerLibjvm = new File(dstServerDir, LIBJVM);

    private static final File dstClientDir = new File(dstLibArchDir, "client");

    private static final File dstClientLibjvm = new File(dstClientDir, LIBJVM);

    // used primarily to test the solaris variants in dual mode

    private static final File dstOtherArchDir;

    private static final File dstOtherServerDir;

    private static final File dstOtherServerLibjvm;

    private static final Map<String, String> env = new HashMap<>();

    static {

        if (TestHelper.isDualMode) {

            dstOtherArchDir = new File(dstLibDir, TestHelper.getComplementaryJreArch());

            dstOtherServerDir = new File(dstOtherArchDir, "server");

            dstOtherServerLibjvm = new File(dstOtherServerDir, LIBJVM);

        } else {

            dstOtherArchDir = null;

            dstOtherServerDir = null;

            dstOtherServerLibjvm = null;

        }

    }

    static String getValue(String name, List<String> in) {

        for (String x : in) {

            String[] s = x.split("=");

            if (name.equals(s[0].trim())) {

                return s[1].trim();

            }

        }

        return null;

    }

    static void run(boolean want32, String dflag, Map<String, String> env,

            int nLLPComponents, String caseID) {

        final boolean want64 = want32 == false;

        env.put(ExecutionEnvironment.JLDEBUG_KEY, "true");

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

        // only for a dual-mode system

        if (want64 && TestHelper.isDualMode) {

            cmdsList.add(TestHelper.java64Cmd);

        } else {

            cmdsList.add(TestHelper.javaCmd); // a 32-bit java command for all

        }

        /*

         * empty or null strings can confuse the ProcessBuilder. A null flag

         * indicates that the appropriate data model is enforced on the chosen

         * launcher variant.

         */

        if (dflag != null) {

            cmdsList.add(dflag);

        } else {

            cmdsList.add(want32 ? "-d32" : "-d64");

        }

        cmdsList.add("-server");

        cmdsList.add("-jar");

        cmdsList.add(ExecutionEnvironment.testJarFile.getAbsolutePath());

        String[] cmds = new String[cmdsList.size()];

        TestHelper.TestResult tr = TestHelper.doExec(env, cmdsList.toArray(cmds));

        analyze(tr, nLLPComponents, caseID);

    }

    // no cross launch, ie. no change to the data model.

    static void run(Map<String, String> env, int nLLPComponents, String caseID)

            throws IOException {

        boolean want32 = TestHelper.is32Bit;

        run(want32, null, env, nLLPComponents, caseID);

    }

    static void analyze(TestHelper.TestResult tr, int nLLPComponents, String caseID) {

        String envValue = getValue(LD_LIBRARY_PATH, tr.testOutput);

       /*

        * the envValue can never be null, since the test code should always

        * print a "null" string.

        */

        if (envValue == null) {

            System.out.println(tr);

            throw new RuntimeException("NPE, likely a program crash ??");

        }

        String values[] = envValue.split(File.pathSeparator);

        if (values.length == nLLPComponents) {

            System.out.println(caseID + " :OK");

            passes++;

        } else {

            System.out.println("FAIL: test7029048, " + caseID);

            System.out.println(" expected " + nLLPComponents

                    + " but got " + values.length);

            System.out.println(envValue);

            System.out.println(tr);

            errors++;

        }

    }

    /*

     * A crucial piece, specifies what we should expect, given the conditions.

     * That is for a given enum type, the value indicates how many absolute

     * environment variables that can be expected. This value is used to base

     * the actual expected values by adding the set environment variable usually

     * it is 1, but it could be more if the test wishes to set more paths in

     * the future.

     */

    private static enum LLP_VAR {

        LLP_SET_NON_EXISTENT_PATH(0),   // env set, but the path does not exist

        LLP_SET_EMPTY_PATH(0),          // env set, with a path but no libjvm.so

        LLP_SET_WITH_JVM(3);            // env set, with a libjvm.so

        private final int value;

        LLP_VAR(int i) {

            this.value = i;

        }

    }

    /*

     * test for 7029048

     */

    static void test7029048() throws IOException {

        String desc = null;

        for (LLP_VAR v : LLP_VAR.values()) {

            switch (v) {

                case LLP_SET_WITH_JVM:

                    // copy the files into the directory structures

                    TestHelper.copyFile(srcLibjvmSo, dstServerLibjvm);

                    // does not matter if it is client or a server

                    TestHelper.copyFile(srcLibjvmSo, dstClientLibjvm);

                    // does not matter if the arch do not match either

                    if (TestHelper.isDualMode) {

                        TestHelper.copyFile(srcLibjvmSo, dstOtherServerLibjvm);

                    }

                    desc = "LD_LIBRARY_PATH should be set";

                    break;

                case LLP_SET_EMPTY_PATH:

                    if (!dstClientDir.exists()) {

                        Files.createDirectories(dstClientDir.toPath());

                    } else {

                        Files.deleteIfExists(dstClientLibjvm.toPath());

                    }

                    if (!dstServerDir.exists()) {

                        Files.createDirectories(dstServerDir.toPath());

                    } else {

                        Files.deleteIfExists(dstServerLibjvm.toPath());

                    }

                    if (TestHelper.isDualMode) {

                        if (!dstOtherServerDir.exists()) {

                            Files.createDirectories(dstOtherServerDir.toPath());

                        } else {

                            Files.deleteIfExists(dstOtherServerLibjvm.toPath());

                        }

                    }

                    desc = "LD_LIBRARY_PATH should not be set";

                    break;

                case LLP_SET_NON_EXISTENT_PATH:

                    if (dstLibDir.exists()) {

                        TestHelper.recursiveDelete(dstLibDir);

                    }

                    desc = "LD_LIBRARY_PATH should not be set";

                    break;

                default:

                    throw new RuntimeException("unknown case");

            }

            /*

             * Case 1: set the server path

             */

            env.clear();

            env.put(LD_LIBRARY_PATH, dstServerDir.getAbsolutePath());

            run(env, v.value + 1, "Case 1: " + desc);

            /*

             * Case 2: repeat with client path

             */

            env.clear();

            env.put(LD_LIBRARY_PATH, dstClientDir.getAbsolutePath());

            run(env, v.value + 1, "Case 2: " + desc);

            if (!TestHelper.isDualMode) {

                continue; // nothing more to do for Linux

            }

            // Tests applicable only to solaris.

            // initialize test variables for dual mode operations

            final File dst32ServerDir = TestHelper.is32Bit

                    ? dstServerDir

                    : dstOtherServerDir;

            final File dst64ServerDir = TestHelper.is64Bit

                    ? dstServerDir

                    : dstOtherServerDir;

            /*

             * Case 3: set the appropriate LLP_XX flag,

             * java32 -d32, LLP_32 is relevant, LLP_64 is ignored

             * java64 -d64, LLP_64 is relevant, LLP_32 is ignored

             */

            env.clear();

            env.put(LD_LIBRARY_PATH_32, dst32ServerDir.getAbsolutePath());

            env.put(LD_LIBRARY_PATH_64, dst64ServerDir.getAbsolutePath());

            run(TestHelper.is32Bit, null, env, v.value + 1, "Case 3: " + desc);

            /*

             * Case 4: we are in dual mode environment, running 64-bit then

             * we have the following scenarios:

             * java32 -d64, LLP_64 is relevant, LLP_32 is ignored

             * java64 -d32, LLP_32 is relevant, LLP_64 is ignored

             */

            if (TestHelper.dualModePresent()) {

                run(true, "-d64", env, v.value + 1, "Case 4A: " + desc);

                run(false,"-d32", env, v.value + 1, "Case 4B: " + desc);

            }

        }

        return;

    }

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

        if (TestHelper.isWindows) {

            System.out.println("Warning: noop on windows");

            return;

        }

        // create our test jar first

        ExecutionEnvironment.createTestJar();

        // run the tests

        test7029048();

        if (errors > 0) {

            throw new Exception("Test7029048: FAIL: with "

                    + errors + " errors and passes " + passes);

        } else if (TestHelper.dualModePresent() && passes < 15) {

            throw new Exception("Test7029048: FAIL: " +

                    "all tests did not run, expected " + 15 + " got " + passes);

        } else if (TestHelper.isSolaris && passes < 9) {

            throw new Exception("Test7029048: FAIL: " +

                    "all tests did not run, expected " + 9 + " got " + passes);

        } else if (TestHelper.isLinux && passes < 6) {

             throw new Exception("Test7029048: FAIL: " +

                    "all tests did not run, expected " + 6 + " got " + passes);

        } else {

            System.out.println("Test7029048: PASS " + passes);

        }

    }

}