6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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 TestDeferredRSUpdate
26 * @bug 8040977
27 * @summary Ensure that running with -XX:-G1DeferredRSUpdate does not crash the VM
28 * @key gc
29 * @library /testlibrary
30 */
31
32 import com.oracle.java.testlibrary.ProcessTools;
33 import com.oracle.java.testlibrary.OutputAnalyzer;
34
35 public class TestDeferredRSUpdate {
36 public static void main(String[] args) throws Exception {
37 GCTest.main(args);
38
39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
40 "-Xmx10M",
41 // G1DeferredRSUpdate is a develop option, but we cannot limit execution of this test to only debug VMs.
42 "-XX:+IgnoreUnrecognizedVMOptions",
43 "-XX:-G1DeferredRSUpdate",
44 GCTest.class.getName());
45
46 OutputAnalyzer output = new OutputAnalyzer(pb.start());
47 output.shouldHaveExitValue(0);
48 }
49
50 static class GCTest {
51 private static Object[] garbage = new Object[32];
52
53 public static void main(String [] args) {
54 System.out.println("Creating garbage");
55 // Create 128MB of garbage. This should result in at least one minor GC, with
56 // some objects copied to old gen. As references from old to young are installed,
57 // the crash due to the use before initialize occurs.
58 Object prev = null;
59 Object prevPrev = null;
60 for (int i = 0; i < 1024; i++) {
|
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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 TestDeferredRSUpdate
26 * @bug 8040977 8052170
27 * @summary Ensure that running with -XX:-G1DeferredRSUpdate does not crash the VM
28 * @key gc
29 * @library /testlibrary
30 */
31
32 import com.oracle.java.testlibrary.ProcessTools;
33 import com.oracle.java.testlibrary.OutputAnalyzer;
34
35 public class TestDeferredRSUpdate {
36 public static void main(String[] args) throws Exception {
37 GCTest.main(args);
38
39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
40 "-Xmx10M",
41 "-XX:+PrintGCDetails",
42 // G1DeferredRSUpdate is a develop option, but we cannot limit execution of this test to only debug VMs.
43 "-XX:+IgnoreUnrecognizedVMOptions",
44 "-XX:-G1DeferredRSUpdate",
45 GCTest.class.getName());
46
47 OutputAnalyzer output = new OutputAnalyzer(pb.start());
48 output.shouldHaveExitValue(0);
49 }
50
51 static class GCTest {
52 private static Object[] garbage = new Object[32];
53
54 public static void main(String [] args) {
55 System.out.println("Creating garbage");
56 // Create 128MB of garbage. This should result in at least one minor GC, with
57 // some objects copied to old gen. As references from old to young are installed,
58 // the crash due to the use before initialize occurs.
59 Object prev = null;
60 Object prevPrev = null;
61 for (int i = 0; i < 1024; i++) {
|