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  * @summary Verify behaviour of Unsafe.get/putChar
  27  * @library /testlibrary
  28  * @modules java.base/sun.misc
  29  *          java.management
  30  * @run main GetPutChar
  31  */
  32 
  33 import java.lang.reflect.Field;
  34 import com.oracle.java.testlibrary.*;
  35 import sun.misc.Unsafe;
  36 import static com.oracle.java.testlibrary.Asserts.*;
  37 
  38 public class GetPutChar {
  39     public static void main(String args[]) throws Exception {
  40         Unsafe unsafe = Utils.getUnsafe();
  41         Test t = new Test();
  42         Field field = Test.class.getField("c");
  43 
  44         long offset = unsafe.objectFieldOffset(field);
  45         assertEquals('\u0000', unsafe.getChar(t, offset));
  46         unsafe.putChar(t, offset, '\u0001');
  47         assertEquals('\u0001', unsafe.getChar(t, offset));
  48 
  49         long address = unsafe.allocateMemory(8);
  50         unsafe.putChar(address, '\u0002');
  51         assertEquals('\u0002', unsafe.getChar(address));
  52         unsafe.freeMemory(address);
  53 
  54         char arrayChar[] = { '\uabcd', '\u00ff', '\uff00', };
  55         int scale = unsafe.arrayIndexScale(arrayChar.getClass());
  56         offset = unsafe.arrayBaseOffset(arrayChar.getClass());

  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  * @summary Verify behaviour of Unsafe.get/putChar
  27  * @library /testlibrary
  28  * @modules java.base/sun.misc
  29  *          java.management
  30  * @run main GetPutChar
  31  */
  32 
  33 import java.lang.reflect.Field;
  34 import jdk.test.lib.*;
  35 import sun.misc.Unsafe;
  36 import static jdk.test.lib.Asserts.*;
  37 
  38 public class GetPutChar {
  39     public static void main(String args[]) throws Exception {
  40         Unsafe unsafe = Utils.getUnsafe();
  41         Test t = new Test();
  42         Field field = Test.class.getField("c");
  43 
  44         long offset = unsafe.objectFieldOffset(field);
  45         assertEquals('\u0000', unsafe.getChar(t, offset));
  46         unsafe.putChar(t, offset, '\u0001');
  47         assertEquals('\u0001', unsafe.getChar(t, offset));
  48 
  49         long address = unsafe.allocateMemory(8);
  50         unsafe.putChar(address, '\u0002');
  51         assertEquals('\u0002', unsafe.getChar(address));
  52         unsafe.freeMemory(address);
  53 
  54         char arrayChar[] = { '\uabcd', '\u00ff', '\uff00', };
  55         int scale = unsafe.arrayIndexScale(arrayChar.getClass());
  56         offset = unsafe.arrayBaseOffset(arrayChar.getClass());