10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 * version 2 for more details (a copy is included in the LICENSE file that
  13 * accompanied this code).
  14 *
  15 * You should have received a copy of the GNU General Public License version
  16 * 2 along with this work; if not, write to the Free Software Foundation,
  17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18 *
  19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20 * or visit www.oracle.com if you need additional information or have any
  21 * questions.
  22 */
  23 
  24 /*
  25  * @test TestMaxNewSize
  26  * @key gc
  27  * @bug 7057939
  28  * @summary Make sure that MaxNewSize always has a useful value after argument
  29  * processing.
  30  * @library /testlibrary
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build TestMaxNewSize
  34  * @run main TestMaxNewSize -XX:+UseSerialGC
  35  * @run main TestMaxNewSize -XX:+UseParallelGC
  36  * @run main TestMaxNewSize -XX:+UseConcMarkSweepGC
  37  * @run main TestMaxNewSize -XX:+UseG1GC
  38  * @author thomas.schatzl@oracle.com, jesper.wilhelmsson@oracle.com
  39  */
  40 
  41 import java.util.regex.Matcher;
  42 import java.util.regex.Pattern;
  43 
  44 import java.math.BigInteger;
  45 
  46 import java.util.ArrayList;
  47 import java.util.Arrays;
  48 
  49 import jdk.test.lib.*;

  50 
  51 public class TestMaxNewSize {
  52 
  53   private static void checkMaxNewSize(String[] flags, int heapsize) throws Exception {
  54     BigInteger actual = new BigInteger(getMaxNewSize(flags));
  55     System.out.println(actual);
  56     if (actual.compareTo(new BigInteger((new Long(heapsize)).toString())) == 1) {
  57       throw new RuntimeException("MaxNewSize value set to \"" + actual +
  58         "\", expected otherwise when running with the following flags: " + Arrays.asList(flags).toString());
  59     }
  60   }
  61 
  62   private static void checkIncompatibleNewSize(String[] flags) throws Exception {
  63     ArrayList<String> finalargs = new ArrayList<String>();
  64     finalargs.addAll(Arrays.asList(flags));
  65     finalargs.add("-version");
  66 
  67     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(finalargs.toArray(new String[0]));
  68     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  69     output.shouldContain("Initial young gen size set larger than the maximum young gen size");

  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 * version 2 for more details (a copy is included in the LICENSE file that
  13 * accompanied this code).
  14 *
  15 * You should have received a copy of the GNU General Public License version
  16 * 2 along with this work; if not, write to the Free Software Foundation,
  17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18 *
  19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20 * or visit www.oracle.com if you need additional information or have any
  21 * questions.
  22 */
  23 
  24 /*
  25  * @test TestMaxNewSize
  26  * @key gc
  27  * @bug 7057939
  28  * @summary Make sure that MaxNewSize always has a useful value after argument
  29  * processing.
  30  * @library /test/lib
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management

  33  * @run main TestMaxNewSize -XX:+UseSerialGC
  34  * @run main TestMaxNewSize -XX:+UseParallelGC
  35  * @run main TestMaxNewSize -XX:+UseConcMarkSweepGC
  36  * @run main TestMaxNewSize -XX:+UseG1GC
  37  * @author thomas.schatzl@oracle.com, jesper.wilhelmsson@oracle.com
  38  */
  39 
  40 import java.util.regex.Matcher;
  41 import java.util.regex.Pattern;
  42 
  43 import java.math.BigInteger;
  44 
  45 import java.util.ArrayList;
  46 import java.util.Arrays;
  47 
  48 import jdk.test.lib.process.OutputAnalyzer;
  49 import jdk.test.lib.process.ProcessTools;
  50 
  51 public class TestMaxNewSize {
  52 
  53   private static void checkMaxNewSize(String[] flags, int heapsize) throws Exception {
  54     BigInteger actual = new BigInteger(getMaxNewSize(flags));
  55     System.out.println(actual);
  56     if (actual.compareTo(new BigInteger((new Long(heapsize)).toString())) == 1) {
  57       throw new RuntimeException("MaxNewSize value set to \"" + actual +
  58         "\", expected otherwise when running with the following flags: " + Arrays.asList(flags).toString());
  59     }
  60   }
  61 
  62   private static void checkIncompatibleNewSize(String[] flags) throws Exception {
  63     ArrayList<String> finalargs = new ArrayList<String>();
  64     finalargs.addAll(Arrays.asList(flags));
  65     finalargs.add("-version");
  66 
  67     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(finalargs.toArray(new String[0]));
  68     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  69     output.shouldContain("Initial young gen size set larger than the maximum young gen size");