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test/runtime/Unsafe/DefineClass.java

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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
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @summary Verifies the behaviour of Unsafe.defineClass
  27  * @library /test/lib
  28  * @modules java.base/jdk.internal.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.InMemoryJavaCompiler;
  37 import jdk.test.lib.unsafe.UnsafeHelper;
  38 import jdk.internal.misc.Unsafe;
  39 import static jdk.test.lib.Asserts.*;
  40 
  41 public class DefineClass {
  42     public static void main(String args[]) throws Exception {
  43         Unsafe unsafe = UnsafeHelper.getUnsafe();
  44         TestClassLoader classloader = new TestClassLoader();
  45         ProtectionDomain pd = new ProtectionDomain(null, null);
  46 
  47         byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
  48 
  49         // Invalid class data
  50         try {
  51             unsafe.defineClass(null, klassbuf, 4, klassbuf.length - 4, classloader, pd);
  52             throw new RuntimeException("defineClass did not throw expected ClassFormatError");
  53         } catch (ClassFormatError e) {
  54             // Expected
  55         }
  56 
  57         // Negative offset
  58         try {
  59             unsafe.defineClass(null, klassbuf, -1, klassbuf.length, classloader, pd);
  60             throw new RuntimeException("defineClass did not throw expected IndexOutOfBoundsException");
  61         } catch (IndexOutOfBoundsException e) {
  62             // Expected
  63         }




  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 /test/lib
  28  * @modules java.base/jdk.internal.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.InMemoryJavaCompiler;

  37 import jdk.internal.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 = Unsafe.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);
  59             throw new RuntimeException("defineClass did not throw expected IndexOutOfBoundsException");
  60         } catch (IndexOutOfBoundsException e) {
  61             // Expected
  62         }


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