1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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
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  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
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  23 
  24 /*
  25  * @test
  26  * @bug 8228596
  27  * @summary Test redefining a class with a condy in its constant pool
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  * @modules java.compiler
  31  *          java.instrument
  32  *          jdk.jartool/sun.tools.jar
  33  * @compile RedefineCondy.jasm
  34  * @run main RedefineClassHelper
  35  * @run main/othervm -javaagent:redefineagent.jar TestRedefineCondy
  36  */
  37 
  38 import jdk.test.lib.compiler.InMemoryJavaCompiler;
  39 
  40 // Test redefining a class that has a constant dynamic in its constant pool
  41 // to a class that does not have a constant dynamic in its constant pool.
  42 public class TestRedefineCondy {
  43 
  44     static final String DEST = System.getProperty("test.classes");
  45     static String newClass =
  46         "public class RedefineCondy { " +
  47         "public RedefineCondy(java.lang.invoke.MethodHandles.Lookup l, java.lang.String s, java.lang.Class c) { } " +
  48     "public static void main(String argv[]) { } } ";
  49 
  50     public static void main(String[] args) throws Exception  {
  51         Class<?> classWithCondy = Class.forName("RedefineCondy");
  52 
  53         try {
  54             byte[] classBytes = InMemoryJavaCompiler.compile("RedefineCondy", newClass);
  55             RedefineClassHelper.redefineClass(classWithCondy, classBytes);
  56         } catch (Exception e) {
  57             throw new RuntimeException("Unexpected exception: " + e.getMessage());
  58         }
  59     }
  60 }