1 /* 2 * Copyright (c) 2014, 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 * @bug 8032704 27 * @summary Issues with lib perm in Lambda 28 */ 29 30 import java.io.Closeable; 31 import java.lang.invoke.LambdaMetafactory; 32 import java.lang.invoke.LambdaConversionException; 33 import java.lang.invoke.MethodHandle; 34 import java.lang.invoke.MethodHandles; 35 import java.lang.invoke.MethodType; 36 37 public class T8032704 { 38 here()39 public static void here() {} 40 static MethodHandle h; mt(Class<?> k)41 private static MethodType mt(Class<?> k) { return MethodType.methodType(k); } mf(MethodHandles.Lookup l)42 private static boolean mf(MethodHandles.Lookup l) { 43 try { 44 LambdaMetafactory.metafactory(l, "close", 45 mt(Closeable.class),mt(void.class),h,mt(void.class)); 46 } catch(LambdaConversionException e) { 47 return true; 48 } 49 return false; 50 } 51 main(String[] args)52 public static void main(String[] args) throws Throwable { 53 MethodHandles.Lookup ll = MethodHandles.lookup(); 54 h = ll.findStatic(T8032704.class, "here", mt(void.class)); 55 if (mf(ll)) throw new AssertionError("Error: Should work"); 56 if (!mf(MethodHandles.publicLookup())) throw new AssertionError("Error: Should fail - public"); 57 if (!mf(ll.in(T8032704other.class))) throw new AssertionError("Error: Should fail - other"); 58 if (!mf(ll.in(Thread.class))) throw new AssertionError("Error: Should fail - Thread"); 59 } 60 } 61 62 class T8032704other {} 63