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/putObject
27 * @library /test/lib
28 * @modules java.base/jdk.internal.misc
29 * java.management
30 * @run main GetPutObject
31 */
32
33 import java.lang.reflect.Field;
34 import jdk.test.lib.unsafe.UnsafeHelper;
35 import jdk.internal.misc.Unsafe;
36 import static jdk.test.lib.Asserts.*;
37
38 public class GetPutObject {
39 public static void main(String args[]) throws Exception {
40 Unsafe unsafe = UnsafeHelper.getUnsafe();
41 Test t = new Test();
42 Object o = new Object();
43 Field field = Test.class.getField("o");
44
45 long offset = unsafe.objectFieldOffset(field);
46 assertEquals(t.o, unsafe.getObject(t, offset));
47
48 unsafe.putObject(t, offset, o);
49 assertEquals(o, unsafe.getObject(t, offset));
50
51 Object arrayObject[] = { unsafe, null, new Object() };
52 int scale = unsafe.arrayIndexScale(arrayObject.getClass());
53 offset = unsafe.arrayBaseOffset(arrayObject.getClass());
54 for (int i = 0; i < arrayObject.length; i++) {
55 assertEquals(unsafe.getObject(arrayObject, offset), arrayObject[i]);
56 offset += scale;
57 }
58 }
59
60 static class Test {
|
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/putObject
27 * @library /test/lib
28 * @modules java.base/jdk.internal.misc
29 * java.management
30 * @run main GetPutObject
31 */
32
33 import java.lang.reflect.Field;
34 import jdk.internal.misc.Unsafe;
35 import static jdk.test.lib.Asserts.*;
36
37 public class GetPutObject {
38 public static void main(String args[]) throws Exception {
39 Unsafe unsafe = Unsafe.getUnsafe();
40 Test t = new Test();
41 Object o = new Object();
42 Field field = Test.class.getField("o");
43
44 long offset = unsafe.objectFieldOffset(field);
45 assertEquals(t.o, unsafe.getObject(t, offset));
46
47 unsafe.putObject(t, offset, o);
48 assertEquals(o, unsafe.getObject(t, offset));
49
50 Object arrayObject[] = { unsafe, null, new Object() };
51 int scale = unsafe.arrayIndexScale(arrayObject.getClass());
52 offset = unsafe.arrayBaseOffset(arrayObject.getClass());
53 for (int i = 0; i < arrayObject.length; i++) {
54 assertEquals(unsafe.getObject(arrayObject, offset), arrayObject[i]);
55 offset += scale;
56 }
57 }
58
59 static class Test {
|