/* * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8058575 * @summary Creates an anonymous class inside of an anonymous class. * @library /test/lib * @modules java.base/jdk.internal.misc * java.compiler * java.management * @run main p.NestedUnsafe2 */ package p; import java.security.ProtectionDomain; import java.io.InputStream; import java.lang.*; import jdk.test.lib.*; import jdk.internal.misc.Unsafe; // Test that an anonymous class that gets put in its host's package cannot define // an anonymous class in another package. public class NestedUnsafe2 { // The String concatenation should create the nested anonymous class. public static byte klassbuf[] = InMemoryJavaCompiler.compile("q.TestClass", "package q; " + "public class TestClass { " + " public static void concat(String one, String two) throws Throwable { " + " System.out.println(one + two);" + " } } "); public static void main(String args[]) throws Exception { Unsafe unsafe = Unsafe.getUnsafe(); // The anonymous class calls defineAnonymousClass creating a nested anonymous class. byte klassbuf2[] = InMemoryJavaCompiler.compile("TestClass2", "import jdk.internal.misc.Unsafe; " + "public class TestClass2 { " + " public static void doit() throws Throwable { " + " Unsafe unsafe = jdk.internal.misc.Unsafe.getUnsafe(); " + " Class klass2 = unsafe.defineAnonymousClass(TestClass2.class, p.NestedUnsafe2.klassbuf, new Object[0]); " + " unsafe.ensureClassInitialized(klass2); " + " Class[] dArgs = new Class[2]; " + " dArgs[0] = String.class; " + " dArgs[1] = String.class; " + " try { " + " klass2.getMethod(\"concat\", dArgs).invoke(null, \"CC\", \"DD\"); " + " } catch (Throwable ex) { " + " throw new RuntimeException(\"Exception: \" + ex.toString()); " + " } " + "} } ", "--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED"); Class klass2 = unsafe.defineAnonymousClass(p.NestedUnsafe2.class, klassbuf2, new Object[0]); try { klass2.getMethod("doit").invoke(null); throw new RuntimeException("Expected exception not thrown"); } catch (Throwable ex) { Throwable iae = ex.getCause(); if (!iae.toString().contains( "IllegalArgumentException: Host class p/NestedUnsafe2 and anonymous class q/TestClass")) { throw new RuntimeException("Exception: " + iae.toString()); } } } }