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  * @summary Verifies the behaviour of Unsafe.defineClass
  27  * @library /testlibrary
  28  * @modules java.base/sun.misc
  29  *          java.compiler
  30  *          java.management
  31  * @run main DefineClass
  32  */
  33 
  34 import java.security.ProtectionDomain;
  35 import java.io.InputStream;
  36 import com.oracle.java.testlibrary.*;
  37 import sun.misc.Unsafe;
  38 import static com.oracle.java.testlibrary.Asserts.*;
  39 
  40 public class DefineClass {
  41     public static void main(String args[]) throws Exception {
  42         Unsafe unsafe = Utils.getUnsafe();
  43         TestClassLoader classloader = new TestClassLoader();
  44         ProtectionDomain pd = new ProtectionDomain(null, null);
  45 
  46         byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
  47 
  48         // Invalid class data
  49         try {
  50             unsafe.defineClass(null, klassbuf, 4, klassbuf.length - 4, classloader, pd);
  51             throw new RuntimeException("defineClass did not throw expected ClassFormatError");
  52         } catch (ClassFormatError e) {
  53             // Expected
  54         }
  55 
  56         // Negative offset
  57         try {
  58             unsafe.defineClass(null, klassbuf, -1, klassbuf.length, classloader, pd);

  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  * @summary Verifies the behaviour of Unsafe.defineClass
  27  * @library /testlibrary
  28  * @modules java.base/sun.misc
  29  *          java.compiler
  30  *          java.management
  31  * @run main DefineClass
  32  */
  33 
  34 import java.security.ProtectionDomain;
  35 import java.io.InputStream;
  36 import jdk.test.lib.*;
  37 import sun.misc.Unsafe;
  38 import static jdk.test.lib.Asserts.*;
  39 
  40 public class DefineClass {
  41     public static void main(String args[]) throws Exception {
  42         Unsafe unsafe = Utils.getUnsafe();
  43         TestClassLoader classloader = new TestClassLoader();
  44         ProtectionDomain pd = new ProtectionDomain(null, null);
  45 
  46         byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
  47 
  48         // Invalid class data
  49         try {
  50             unsafe.defineClass(null, klassbuf, 4, klassbuf.length - 4, classloader, pd);
  51             throw new RuntimeException("defineClass did not throw expected ClassFormatError");
  52         } catch (ClassFormatError e) {
  53             // Expected
  54         }
  55 
  56         // Negative offset
  57         try {
  58             unsafe.defineClass(null, klassbuf, -1, klassbuf.length, classloader, pd);