/*

 * Copyright (c) 2010, 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

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 */

/*

 * @test Test6981737.java

 * @bug 6981737

 * @summary check for correct vm properties

 * @run main Test6981737

 * @author kamg

*/

public class Test6981737 {

    /**

     * Check the 'vendor' properties java.vm.specification.version

     * property.  Before jdk7, they should be "Sun Micro..." and "1.0".

     * In jdk7 onwards they should be "Oracle..." and "1.<major_version>"

     */

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

        String version = verifyProperty("java.version", "[0-9]+\\.[0-9]+\\..*");

        String major_version_spec = version.split("\\.")[1];

        int major_version = new Integer(major_version_spec).intValue();

        String vendor_re = "Oracle Corporation";

        String vm_spec_version_re = "1\\." + major_version_spec;

        if (major_version < 7) {

            vendor_re = "Sun Microsystems Inc\\.";

            vm_spec_version_re = "1\\.0";

        }

        verifyProperty("java.vendor", vendor_re);

        verifyProperty("java.vm.vendor", vendor_re);

        verifyProperty("java.vm.specification.vendor", vendor_re);

        verifyProperty("java.specification.vendor", vendor_re);

        verifyProperty("java.vm.specification.version", vm_spec_version_re);

        System.out.println("PASS");

    }

    public static String verifyProperty(String name, String expected_re) {

        String value = System.getProperty(name, "");

        System.out.print("Checking " + name + ": \"" + value +

          "\".matches(\"" + expected_re + "\")... ");

        if (!value.matches(expected_re)) {

            System.out.println("no.");

            throw new RuntimeException("FAIL: Wrong value for " + name +

                " property, \"" + value + "\", expected to be of form: \"" +

                expected_re + "\"");

        }

        System.out.println("yes.");

        return value;

    }

}