Mercurial > hg > shenandoah-preopenjdk-archive > openjdk8 > langtools
view test/tools/javac/lambda/LambdaParenGenericOrig.java @ 2219:847cc0cccfa1
8029558: java.lang.VerifyError: Bad return type when lambda's body is in parentheses
Summary: properly type convert the body of a lambda expression
Reviewed-by: vromero
author | rfield |
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date | Wed, 11 Dec 2013 11:56:55 -0800 |
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/* * Copyright (c) 2013, 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 8029558 * @summary VerifyError lambda body is parenthesized generic value (originally submitted test) * @author Dmitrii Afanasyev * @run main LambdaParenGenericOrig */ public class LambdaParenGenericOrig { @FunctionalInterface public static interface Function1<R, A> { R apply(A input); } @FunctionalInterface public static interface Function2<R, A1, A2> { R apply(A1 input1, A2 input2); } public static void main(String[] args) { final Function2<Integer, Integer, Integer> add = (x, y) -> x + y; final Function1<Integer, Integer> inc = x -> (add.apply(x, 1)); System.out.println(inc.apply(0)); } }