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 * @library /test/lib
27 * @modules java.base/jdk.internal.misc
28 * java.management
29 * @run main GetPutInt
30 */
31
32 import java.lang.reflect.Field;
33 import jdk.test.lib.unsafe.UnsafeHelper;
34 import jdk.internal.misc.Unsafe;
35 import static jdk.test.lib.Asserts.*;
36
37 public class GetPutInt {
38 public static void main(String args[]) throws Exception {
39 Unsafe unsafe = UnsafeHelper.getUnsafe();
40 Test t = new Test();
41 Field field = Test.class.getField("i");
42
43 long offset = unsafe.objectFieldOffset(field);
44 assertEquals(-1, unsafe.getInt(t, offset));
45 unsafe.putInt(t, offset, 0);
46 assertEquals(0, unsafe.getInt(t, offset));
47
48 long address = unsafe.allocateMemory(8);
49 unsafe.putInt(address, 1);
50 assertEquals(1, unsafe.getInt(address));
51 unsafe.freeMemory(address);
52
53 int arrayInt[] = { -1, 0, 1, 2 };
54 int scale = unsafe.arrayIndexScale(arrayInt.getClass());
55 offset = unsafe.arrayBaseOffset(arrayInt.getClass());
56 for (int i = 0; i < arrayInt.length; i++) {
57 assertEquals(unsafe.getInt(arrayInt, offset), arrayInt[i]);
58 offset += scale;
59 }
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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 * @library /test/lib
27 * @modules java.base/jdk.internal.misc
28 * java.management
29 * @run main GetPutInt
30 */
31
32 import java.lang.reflect.Field;
33 import jdk.internal.misc.Unsafe;
34 import static jdk.test.lib.Asserts.*;
35
36 public class GetPutInt {
37 public static void main(String args[]) throws Exception {
38 Unsafe unsafe = Unsafe.getUnsafe();
39 Test t = new Test();
40 Field field = Test.class.getField("i");
41
42 long offset = unsafe.objectFieldOffset(field);
43 assertEquals(-1, unsafe.getInt(t, offset));
44 unsafe.putInt(t, offset, 0);
45 assertEquals(0, unsafe.getInt(t, offset));
46
47 long address = unsafe.allocateMemory(8);
48 unsafe.putInt(address, 1);
49 assertEquals(1, unsafe.getInt(address));
50 unsafe.freeMemory(address);
51
52 int arrayInt[] = { -1, 0, 1, 2 };
53 int scale = unsafe.arrayIndexScale(arrayInt.getClass());
54 offset = unsafe.arrayBaseOffset(arrayInt.getClass());
55 for (int i = 0; i < arrayInt.length; i++) {
56 assertEquals(unsafe.getInt(arrayInt, offset), arrayInt[i]);
57 offset += scale;
58 }
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