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 Test2GbHeap
  26  * @bug 8031686
  27  * @summary Regression test to ensure we can start G1 with 2gb heap.
  28  * Skip test on 32 bit system: it typically does not support the many and large virtual memory reservations needed.
  29  * @requires vm.gc.G1
  30  * @requires vm.bits != "32"
  31  * @key gc
  32  * @key regression
  33  * @library /testlibrary
  34  * @modules java.base/jdk.internal.misc
  35  *          java.management
  36  */
  37 
  38 import java.util.ArrayList;
  39 
  40 import jdk.test.lib.OutputAnalyzer;
  41 import jdk.test.lib.ProcessTools;
  42 
  43 public class Test2GbHeap {
  44   public static void main(String[] args) throws Exception {
  45     ArrayList<String> testArguments = new ArrayList<String>();
  46 
  47     testArguments.add("-XX:+UseG1GC");
  48     testArguments.add("-Xmx2g");
  49     testArguments.add("-version");
  50 
  51     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0]));
  52 
  53     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  54     output.shouldHaveExitValue(0);
  55   }
  56 }

  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 Test2GbHeap
  26  * @bug 8031686
  27  * @summary Regression test to ensure we can start G1 with 2gb heap.
  28  * Skip test on 32 bit system: it typically does not support the many and large virtual memory reservations needed.
  29  * @requires vm.gc.G1
  30  * @requires vm.bits != "32"
  31  * @key gc
  32  * @key regression
  33  * @library /test/lib
  34  * @modules java.base/jdk.internal.misc
  35  *          java.management
  36  */
  37 
  38 import java.util.ArrayList;
  39 
  40 import jdk.test.lib.process.OutputAnalyzer;
  41 import jdk.test.lib.process.ProcessTools;
  42 
  43 public class Test2GbHeap {
  44   public static void main(String[] args) throws Exception {
  45     ArrayList<String> testArguments = new ArrayList<String>();
  46 
  47     testArguments.add("-XX:+UseG1GC");
  48     testArguments.add("-Xmx2g");
  49     testArguments.add("-version");
  50 
  51     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0]));
  52 
  53     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  54     output.shouldHaveExitValue(0);
  55   }
  56 }