| /* |
| * 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.lang.*; |
| |
| import jdk.internal.misc.Unsafe; |
| import jdk.test.lib.compiler.InMemoryJavaCompiler; |
| |
| |
| // 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()); |
| } |
| } |
| } |
| } |