1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 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 26 * @library /testlibrary 27 * @run main DefineClass 28 */ 29 30 import java.security.ProtectionDomain; 31 import java.io.InputStream; 32 import com.oracle.java.testlibrary.*; 33 import sun.misc.Unsafe; 34 import static com.oracle.java.testlibrary.Asserts.*; 35 36 public class DefineClass { 37 public static void main(String args[]) throws Exception { 38 Unsafe unsafe = Utils.getUnsafe(); 39 TestClassLoader classloader = new TestClassLoader(); 40 ProtectionDomain pd = new ProtectionDomain(null, null); 41 42 byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }"); 43 44 // Invalid class data 45 try { 46 unsafe.defineClass(null, klassbuf, 4, klassbuf.length - 4, classloader, pd); 47 throw new RuntimeException("defineClass did not throw expected ClassFormatError"); 48 } catch (ClassFormatError e) { 49 // Expected 50 } 51 52 // Negative offset 53 try { 54 unsafe.defineClass(null, klassbuf, -1, klassbuf.length, classloader, pd); 55 throw new RuntimeException("defineClass did not throw expected IndexOutOfBoundsException"); 56 } catch (IndexOutOfBoundsException e) { 57 // Expected 58 } 59 60 // Negative length 61 try { 62 unsafe.defineClass(null, klassbuf, 0, -1, classloader, pd); 63 throw new RuntimeException("defineClass did not throw expected IndexOutOfBoundsException"); 64 } catch (IndexOutOfBoundsException e) { 65 // Expected 66 } 67 68 // Offset greater than klassbuf.length 69 try { 70 unsafe.defineClass(null, klassbuf, klassbuf.length + 1, klassbuf.length, classloader, pd); 71 throw new RuntimeException("defineClass did not throw expected IndexOutOfBoundsException"); 72 } catch (IndexOutOfBoundsException e) { 73 // Expected 74 } 75 76 // Length greater than klassbuf.length 77 try { 78 unsafe.defineClass(null, klassbuf, 0, klassbuf.length + 1, classloader, pd); 79 throw new RuntimeException("defineClass did not throw expected IndexOutOfBoundsException"); 80 } catch (IndexOutOfBoundsException e) { 81 // Expected 82 } 83 84 Class klass = unsafe.defineClass(null, klassbuf, 0, klassbuf.length, classloader, pd); 85 assertEquals(klass.getClassLoader(), classloader); 86 assertEquals(klass.getProtectionDomain(), pd); 87 } 88 89 private static class TestClassLoader extends ClassLoader { 90 public TestClassLoader(ClassLoader parent) { 91 super(parent); 92 } 93 94 public TestClassLoader() { 95 super(); 96 } 97 } 98 }