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 /testlibrary 32 * @bug 8025642 33 * @modules java.base/jdk.internal.misc 34 * java.management 35 */ 36 37 import jdk.test.lib.*; 38 39 public class CdsDifferentObjectAlignment { 40 public static void main(String[] args) throws Exception { 41 String nativeWordSize = System.getProperty("sun.arch.data.model"); 42 if (!Platform.is64bit()) { 43 System.out.println("ObjectAlignmentInBytes for CDS is only " + 44 "supported on 64bit platforms; this plaform is " + 45 nativeWordSize); 46 System.out.println("Skipping the test"); 47 } else { 48 createAndLoadSharedArchive(16, 64); 49 createAndLoadSharedArchive(64, 32); 50 } 51 } 52 53 54 // Parameters are object alignment expressed in bytes 55 private static void 56 createAndLoadSharedArchive(int createAlignment, int loadAlignment) 57 throws Exception { | 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.process.ProcessTools; 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); 51 createAndLoadSharedArchive(64, 32); 52 } 53 } 54 55 56 // Parameters are object alignment expressed in bytes 57 private static void 58 createAndLoadSharedArchive(int createAlignment, int loadAlignment) 59 throws Exception { |