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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * 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).

 *

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 * 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 8136930

 * @summary Test that the VM ignores explicitly specified module internal properties.

 * @modules java.base/jdk.internal.misc

 * @library /test/lib

 */

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

// Test that the VM ignores module related properties such as "jdk.module.addmods"

// and jdk.module.addreads.0" that can only be set using module options.

public class IgnoreModulePropertiesTest {

    // Test that the specified property and its value are ignored.  If the VM accepted

    // the property and value then an exception would be thrown because the value is

    // bogus for that property.  But, since the property is ignored no exception is

    // thrown.

    public static void testProperty(String prop, String value) throws Exception {

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

            "-D" + prop + "=" + value, "-version");

        OutputAnalyzer output = new OutputAnalyzer(pb.start());

        output.shouldContain("java version ");

        output.shouldHaveExitValue(0);

        // Ensure that the property and its value aren't available.

        if (System.getProperty(prop) != null) {

            throw new RuntimeException(

                "Unexpected non-null value for property " + prop);

        }

    }

    // For options of the form "option=value", check that an exception gets thrown for

    // the illegal value and then check that its corresponding property is handled

    // correctly.

    public static void testOption(String option, String value,

                                  String prop, String result) throws Exception {

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

            option + "=" + value, "-version");

        OutputAnalyzer output = new OutputAnalyzer(pb.start());

        output.shouldContain(result);

        testProperty(prop, value);

    }

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

        testOption("--add-reads", "xyzz=yyzd", "jdk.module.addreads.0", "WARNING: Unknown module: xyzz");

        testOption("--add-exports", "java.base/xyzz=yyzd", "jdk.module.addexports.0",

                   "WARNING: package xyzz not in java.base");

        testOption("--patch-module", "=d", "jdk.module.patch.0", "Unable to parse --patch-module");

    }

}