/*

 * Copyright (c) 2012, 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.

 *

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 */

/**

 * @test

 * @bug 4894330 4810347 6277269

 * @compile -XDignore.symbol.file ChangeDataModel.java

 * @run main ChangeDataModel

 * @summary Verify -d32 and -d64 options are accepted(rejected) on all platforms

 * @author Joseph D. Darcy, ksrini

 */

import java.io.File;

import java.util.HashMap;

import java.util.Map;

public class ChangeDataModel extends TestHelper {

    private static final File TestJar      = new File("test" + JAR_FILE_EXT);

    private static final String OPT_PREFIX = "ARCH_OPT:";

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

        String[] code = {

            "   public static void main(String argv[]) {",

            "      System.out.println(\"" + OPT_PREFIX + "-d\" + System.getProperty(\"sun.arch.data.model\", \"none\"));",

            "   }",

        };

        createJar(TestJar, code);

        // verify if data model flag for default data model is accepted

        if (is32Bit) {

            checkAcceptance(javaCmd, "-d32");

        } else if (is64Bit) {

            checkAcceptance(javaCmd, "-d64");

        } else {

            throw new Error("unsupported data model");

        }

        // test dual mode systems

        if (isDualMode) {

            // albeit dual mode we may not have the 64 bit components present

            if (dualModePresent()) {

                // 32-bit -> 64-bit

                checkExecCount(javaCmd, "-d64");

                // 64-bit -> 32-bit

                checkExecCount(java64Cmd, "-d32");

                checkAcceptance(javaCmd, "-d64");

                checkAcceptance(java64Cmd, "-d32");

            } else {

                System.out.println("Warning: no 64-bit components found;" +

                    " only one data model tested.");

            }

        } else {

            // Negative tests: ensure that non-dual mode systems reject the

            // complementary (other) data model

            if (is32Bit) {

                checkRejection(javaCmd, "-d64");

            } else if (is64Bit) {

                checkRejection(javaCmd, "-d32");

            } else {

                throw new Error("unsupported data model");

            }

        }

    }

    static void checkExecCount(String cmd, String dmodel) {

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

        envMap.put(JLDEBUG_KEY, "true");

        TestResult tr = doExec(envMap, javaCmd, "-d64",

                "-jar", TestJar.getAbsolutePath());

        int count = 0;

        for (String x : tr.testOutput) {

            if (x.contains(EXPECTED_MARKER)) {

                count++;

                if (count > 1) {

                    System.out.println(tr);

                    throw new RuntimeException("Maximum exec count of 1 execeeded");

                }

            }

        }

    }

    static void checkAcceptance(String cmd, String dmodel) {

        TestResult tr = doExec(cmd, dmodel, "-jar", TestJar.getAbsolutePath());

        if (!tr.contains(OPT_PREFIX + dmodel)) {

            System.out.println(tr);

            String message = "Data model flag " + dmodel +

                    " not accepted or had improper effect.";

            throw new RuntimeException(message);

        }

    }

    static void checkRejection(String cmd, String dmodel) {

        TestResult tr = doExec(cmd, dmodel, "-jar", TestJar.getAbsolutePath());

        if (tr.contains(OPT_PREFIX + dmodel)) {

            System.out.println(tr);

            String message = "Data model flag " + dmodel + " was accepted.";

            throw new RuntimeException(message);

        }

    }

}