1/* 2 * Copyright (c) 2013, 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 8005653 27 * @summary A lambda containing an inner class referencing an external type var in class parameter type 28 * @author Robert Field 29 * @run main LambdaInnerTypeVarArgs 30 */ 31 32import java.io.Serializable; 33import java.util.List; 34import java.util.ArrayList; 35 36public class LambdaInnerTypeVarArgs { 37 38 static int assertionCount = 0; 39 40 static void assertTrue(boolean cond) { 41 assertionCount++; 42 if (!cond) 43 throw new AssertionError(); 44 } 45 46 interface I { 47 C doit(); 48 } 49 50 abstract class C { 51 abstract Object it(); 52 } 53 54 class TV { 55 C go() { 56 List<String> ls = new ArrayList<>(); 57 ls.add("Oh"); 58 ls.add("my"); 59 return foo(ls).doit(); 60 } 61 62 <RRRRR> I foo(List<RRRRR> r) { 63 return () -> new C() { 64 List<RRRRR> xxxxx = r; 65 @Override 66 Object it() { return xxxxx; }; 67 }; 68 } 69 } 70 71 void test1() { 72 assertTrue(((List<String>)(new TV().go().it())).get(0).equals("Oh")); 73 } 74 75 public static void main(String[] args) { 76 LambdaInnerTypeVarArgs t = new LambdaInnerTypeVarArgs(); 77 t.test1(); 78 assertTrue(assertionCount == 1); 79 } 80} 81