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 8055910
27 * @summary Arrays.copyOf doesn't perform subtype check
28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestArraysCopyOfNoTypeCheck
29 *
30 */
31
32 import java.util.Arrays;
33
34 public class TestArraysCopyOfNoTypeCheck {
35
36 static class A {
37 }
38
39 static class B extends A {
40 }
41
42 static B[] test(A[] arr) {
43 return Arrays.copyOf(arr, 10, B[].class);
44 }
45
46 static public void main(String[] args) {
47 A[] arr = new A[20];
48 for (int i = 0; i < 20000; i++) {
49 test(arr);
50 }
51 A[] arr2 = new A[20];
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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 8055910
27 * @summary Arrays.copyOf doesn't perform subtype check
28 *
29 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
30 * compiler.arraycopy.TestArraysCopyOfNoTypeCheck
31 */
32
33 package compiler.arraycopy;
34
35 import java.util.Arrays;
36
37 public class TestArraysCopyOfNoTypeCheck {
38
39 static class A {
40 }
41
42 static class B extends A {
43 }
44
45 static B[] test(A[] arr) {
46 return Arrays.copyOf(arr, 10, B[].class);
47 }
48
49 static public void main(String[] args) {
50 A[] arr = new A[20];
51 for (int i = 0; i < 20000; i++) {
52 test(arr);
53 }
54 A[] arr2 = new A[20];
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