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 import java.io.File;
26 import sun.hotspot.WhiteBox;
27
28 public class RewriteBytecodes {
29 public static void main(String args[]) throws Throwable {
30 String from = "___xxx___";
31 String to = "___yyy___";
32 File clsFile = new File(args[0]);
33 Class superClass = Util.defineModifiedClass(RewriteBytecodes.class.getClassLoader(), clsFile, from, to);
34
35 Child child = new Child();
36
37 if (child.getClass().getSuperclass() != superClass) {
38 throw new RuntimeException("Mismatched super class");
39 }
40 // Even if the Super class is not loaded from the CDS archive, make sure the Child class
41 // can still be loaded successfully, and properly inherits from the rewritten version
42 // of Super.
43 if (!child.toString().equals(to)) {
44 throw new RuntimeException("Wrong output, expected: " + to + ", but got: " + child.toString());
45 }
46
47 WhiteBox wb = WhiteBox.getWhiteBox();
48 if (wb.isSharedClass(superClass)) {
49 throw new RuntimeException("wb.isSharedClass(superClass) should be false");
50 }
51 if (wb.isSharedClass(child.getClass())) {
52 throw new RuntimeException("wb.isSharedClass(child.getClass()) should be false");
53 }
|
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 import java.io.File;
26 import sun.hotspot.WhiteBox;
27
28 public class RewriteBytecodes {
29 public static void main(String args[]) throws Throwable {
30 String from = "___xxx___";
31 String to = "___yyy___";
32 File clsFile = new File(args[0]);
33 Class superClass = Util.defineModifiedClass(RewriteBytecodes.class, clsFile, from, to);
34
35 Child child = new Child();
36
37 if (child.getClass().getSuperclass() != superClass) {
38 throw new RuntimeException("Mismatched super class");
39 }
40 // Even if the Super class is not loaded from the CDS archive, make sure the Child class
41 // can still be loaded successfully, and properly inherits from the rewritten version
42 // of Super.
43 if (!child.toString().equals(to)) {
44 throw new RuntimeException("Wrong output, expected: " + to + ", but got: " + child.toString());
45 }
46
47 WhiteBox wb = WhiteBox.getWhiteBox();
48 if (wb.isSharedClass(superClass)) {
49 throw new RuntimeException("wb.isSharedClass(superClass) should be false");
50 }
51 if (wb.isSharedClass(child.getClass())) {
52 throw new RuntimeException("wb.isSharedClass(child.getClass()) should be false");
53 }
|