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 * @test
26 * @bug 8134468
27 * @summary test that checks whether an array load falls into the range of an arraycopy is incorrect on 32bits
28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestArrayCopyOverflowInBoundChecks
29 *
30 */
31 public class TestArrayCopyOverflowInBoundChecks {
32
33 static byte[] src_array = { 'a', 'b', 'c', 'd', 'e' };
34
35 static byte test(int copy_len) {
36 byte[] dst_array = new byte[10];
37 System.arraycopy(src_array, 0, dst_array, 1, copy_len);
38 return dst_array[1];
39 }
40
41 static public void main(String[] args) {
42 for (int i = 0; i < 20000; i++) {
43 if (test(src_array.length - 1) != src_array[0]) {
44 throw new RuntimeException("Test failed");
45 }
46 }
47 }
48 }
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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 * @test
26 * @bug 8134468
27 * @summary test that checks whether an array load falls into the range of an arraycopy is incorrect on 32bits
28 *
29 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
30 * compiler.arraycopy.TestArrayCopyOverflowInBoundChecks
31 */
32
33 package compiler.arraycopy;
34
35 public class TestArrayCopyOverflowInBoundChecks {
36
37 static byte[] src_array = { 'a', 'b', 'c', 'd', 'e' };
38
39 static byte test(int copy_len) {
40 byte[] dst_array = new byte[10];
41 System.arraycopy(src_array, 0, dst_array, 1, copy_len);
42 return dst_array[1];
43 }
44
45 static public void main(String[] args) {
46 for (int i = 0; i < 20000; i++) {
47 if (test(src_array.length - 1) != src_array[0]) {
48 throw new RuntimeException("Test failed");
49 }
50 }
51 }
52 }
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