| /* |
| * Copyright (c) 2013, 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 8005653 |
| * @summary A lambda containing an inner class referencing an external type var |
| * @author Robert Field |
| * @modules jdk.compiler |
| * jdk.jdeps/com.sun.tools.javap |
| * @run main LambdaInnerTypeVarReflect |
| */ |
| |
| import java.io.StringWriter; |
| import java.io.PrintWriter; |
| import java.io.IOException; |
| |
| public class LambdaInnerTypeVarReflect { |
| |
| static int assertionCount = 0; |
| |
| static void assertTrue(boolean cond) { |
| assertionCount++; |
| if (!cond) |
| throw new AssertionError(); |
| } |
| |
| interface I { |
| C doit(); |
| } |
| |
| abstract class C { |
| abstract Object it(); |
| } |
| |
| class TV { |
| C go() { |
| return foo("Frump").doit(); |
| } |
| |
| <RRRRR> I foo(RRRRR r) { |
| return () -> new C() { |
| public RRRRR xxxxx = r; |
| @Override |
| Object it() { return xxxxx; }; |
| }; |
| } |
| } |
| |
| void test1() throws IOException { |
| char[] buffer = new char[1024]; |
| String innerName = new TV().go().getClass().getName(); |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| int exitCode = com.sun.tools.javap.Main.run(new String[] {innerName}, pw); |
| assertTrue(exitCode == 0); |
| |
| String javapOut = sw.toString(); |
| assertTrue(javapOut.contains(innerName)); |
| assertTrue(!javapOut.contains("RRRRR")); |
| } |
| |
| public static void main(String[] args) throws IOException { |
| LambdaInnerTypeVarReflect t = new LambdaInnerTypeVarReflect(); |
| t.test1(); |
| assertTrue(assertionCount == 3); |
| } |
| } |