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test/gc/testlibrary/Helpers.java

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   8  *
   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 package gc.testlibrary;
  26 
  27 import jdk.test.lib.JDKToolLauncher;
  28 import jdk.test.lib.OutputAnalyzer;
  29 import sun.hotspot.WhiteBox;
  30 
  31 import java.io.File;
  32 import java.io.IOException;
  33 import java.nio.file.Files;
  34 import java.nio.file.Path;
  35 import java.nio.file.Paths;
  36 
  37 public class Helpers {
  38 
  39     /**
  40      * Size of a long field in bytes
  41      */
  42     public static final int SIZE_OF_LONG = 8;
  43 
  44     // In case of 128 byte padding
  45     private static final int MAX_PADDING_SIZE = 128;
  46 
  47     /**
  48      * According class file format theoretical amount of fields in class is u2 which is (256 * 256 - 1).




   8  *
   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 package gc.testlibrary;
  26 
  27 import jdk.test.lib.JDKToolLauncher;
  28 import jdk.test.lib.process.OutputAnalyzer;
  29 import sun.hotspot.WhiteBox;
  30 
  31 import java.io.File;
  32 import java.io.IOException;
  33 import java.nio.file.Files;
  34 import java.nio.file.Path;
  35 import java.nio.file.Paths;
  36 
  37 public class Helpers {
  38 
  39     /**
  40      * Size of a long field in bytes
  41      */
  42     public static final int SIZE_OF_LONG = 8;
  43 
  44     // In case of 128 byte padding
  45     private static final int MAX_PADDING_SIZE = 128;
  46 
  47     /**
  48      * According class file format theoretical amount of fields in class is u2 which is (256 * 256 - 1).


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