/* * Copyright (c) 2020, 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. * */ import jdk.test.lib.compiler.InMemoryJavaCompiler; import jdk.internal.misc.Unsafe; public class UnsafeAndLambdaApp { static byte klassbuf[] = InMemoryJavaCompiler.compile("LambdaHello", "public class LambdaHello { " + " public LambdaHello() { " + " doit(() -> { " + " System.out.println(\"Hello from Lambda\"); " + " }); " + " } " + " static void doit (Runnable r) { " + " r.run(); " + " } " + "} "); public static void main(String args[]) throws Exception { Unsafe unsafe = Unsafe.getUnsafe(); Class klass = unsafe.defineAnonymousClass(UnsafeAndLambdaApp.class, klassbuf, new Object[0]); try { Object obj = klass.newInstance(); // If we come to here, LambdaMetafactory has probably been modified // to support vm-anon classes. In that case, we will need more tests for CDS. throw new RuntimeException("Unexpected support for lambda classes in VM anonymous classes"); } catch (java.lang.InternalError expected) { System.out.println("Caught expected java.lang.InternalError"); } } }