/*

 * Copyright (c) 2015 SAP SE. 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.

 */

import jdk.test.lib.Platform;

import jdk.testlibrary.OutputAnalyzer;

import jdk.testlibrary.ProcessTools;

/*

 * @test

 * @bug 8132374

 * @summary Check that the value of the os.version property is equal

 *          to the value of the corresponding OS provided tools.

 * @library /lib/testlibrary /test/lib

 * @build jdk.test.lib.Platform

 * @run main OsVersionTest

 * @author Volker Simonis

 */

public class OsVersionTest {

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

        final String osVersion = System.getProperty("os.version");

        if (osVersion == null) {

            throw new Error("Cant query 'os.version' property!");

        }

        if (Platform.isLinux() || Platform.isSolaris()) {

            OutputAnalyzer output = ProcessTools.executeProcess("uname", "-r");

            if (!osVersion.equals(output.getOutput().trim())) {

                throw new Error(osVersion + " != " + output.getOutput().trim());

            }

        }

        else if (Platform.isOSX()) {

            OutputAnalyzer output = ProcessTools.executeProcess("sw_vers", "-productVersion");

            if (!osVersion.equals(output.getOutput().trim())) {

                throw new Error(osVersion + " != " + output.getOutput().trim());

            }

        }

        else if (Platform.isAix()) {

            OutputAnalyzer output1 = ProcessTools.executeProcess("uname", "-v");

            OutputAnalyzer output2 = ProcessTools.executeProcess("uname", "-r");

            String version = output1.getOutput().trim() + "." + output2.getOutput().trim();

            if (!osVersion.equals(version)) {

                throw new Error(osVersion + " != " + version);

            }

        }

        else if (Platform.isWindows()) {

            OutputAnalyzer output = ProcessTools.executeProcess("cmd", "/c", "ver");

            String version = output.firstMatch(".+\\[Version ([0-9.]+)\\]", 1);

            if (version == null || !version.startsWith(osVersion)) {

                throw new Error(osVersion + " != " + version);

            }

        }

        else {

            System.out.println("This test is currently not supported on " +

                               Platform.getOsName());

        }

    }

}