9  * This code is distributed in the hope that it will be useful, but WITHOUT
  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
  26  * @bug 8031323
  27  * @summary Verify that objects promoted from eden space to survivor space after
  28  *          minor GC are aligned to SurvivorAlignmentInBytes.
  29  * @library /testlibrary /testlibrary/whitebox
  30  * @build TestPromotionToSurvivor
  31  *        SurvivorAlignmentTestMain AlignmentHelper
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  36  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  37  *                   -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
  38  *                   -XX:-ExplicitGCInvokesConcurrent
  39  *                   TestPromotionToSurvivor 10m 9 SURVIVOR
  40  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  41  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  42  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  43  *                   -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
  44  *                   TestPromotionToSurvivor 20m 47 SURVIVOR
  45  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  46  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  47  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  48  *                   -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m
  49  *                   -XX:-ExplicitGCInvokesConcurrent
  50  *                   TestPromotionToSurvivor 8m 9 SURVIVOR
  51  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  52  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  53  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions

   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  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
  26  * @bug 8031323
  27  * @summary Verify that objects promoted from eden space to survivor space after
  28  *          minor GC are aligned to SurvivorAlignmentInBytes.
  29  * @library /testlibrary /../../test/lib
  30  * @build TestPromotionToSurvivor
  31  *        SurvivorAlignmentTestMain AlignmentHelper
  32  * @run main ClassFileInstaller jdk.testlib.WhiteBox
  33  *                              jdk.testlib.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  36  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  37  *                   -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
  38  *                   -XX:-ExplicitGCInvokesConcurrent
  39  *                   TestPromotionToSurvivor 10m 9 SURVIVOR
  40  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  41  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  42  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  43  *                   -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
  44  *                   TestPromotionToSurvivor 20m 47 SURVIVOR
  45  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  46  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  47  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
  48  *                   -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m
  49  *                   -XX:-ExplicitGCInvokesConcurrent
  50  *                   TestPromotionToSurvivor 8m 9 SURVIVOR
  51  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  52  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  53  *                   -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions