test/runtime/SharedArchiveFile/CdsDifferentObjectAlignment.java

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  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 CdsDifferentObjectAlignment
  26  * @summary Testing CDS (class data sharing) using varying object alignment.
  27  *          Using different object alignment for each dump/load pair.
  28  *          This is a negative test; using  object alignment for loading that
  29  *          is different from object alignment for creating a CDS file
  30  *          should fail when loading.

  31  * @library /test/lib
  32  * @bug 8025642
  33  * @modules java.base/jdk.internal.misc
  34  *          java.management
  35  */
  36 
  37 import jdk.test.lib.cds.CDSTestUtils;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 import jdk.test.lib.Platform;
  40 
  41 public class CdsDifferentObjectAlignment {
  42     public static void main(String[] args) throws Exception {
  43         String nativeWordSize = System.getProperty("sun.arch.data.model");
  44         if (!Platform.is64bit()) {
  45             System.out.println("ObjectAlignmentInBytes for CDS is only " +
  46                 "supported on 64bit platforms; this plaform is " +
  47                 nativeWordSize);
  48             System.out.println("Skipping the test");
  49         } else {
  50             createAndLoadSharedArchive(16, 64);




  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 CdsDifferentObjectAlignment
  26  * @summary Testing CDS (class data sharing) using varying object alignment.
  27  *          Using different object alignment for each dump/load pair.
  28  *          This is a negative test; using  object alignment for loading that
  29  *          is different from object alignment for creating a CDS file
  30  *          should fail when loading.
  31  * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
  32  * @library /test/lib
  33  * @bug 8025642
  34  * @modules java.base/jdk.internal.misc
  35  *          java.management
  36  */
  37 
  38 import jdk.test.lib.cds.CDSTestUtils;
  39 import jdk.test.lib.process.OutputAnalyzer;
  40 import jdk.test.lib.Platform;
  41 
  42 public class CdsDifferentObjectAlignment {
  43     public static void main(String[] args) throws Exception {
  44         String nativeWordSize = System.getProperty("sun.arch.data.model");
  45         if (!Platform.is64bit()) {
  46             System.out.println("ObjectAlignmentInBytes for CDS is only " +
  47                 "supported on 64bit platforms; this plaform is " +
  48                 nativeWordSize);
  49             System.out.println("Skipping the test");
  50         } else {
  51             createAndLoadSharedArchive(16, 64);