| /* |
| * Copyright (c) 2014, 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 8038420 |
| * @summary Lambda returning post-increment generates wrong code |
| * @run main LambdaIncrement |
| */ |
| |
| public class LambdaIncrement { |
| |
| interface IntegerOp { Integer apply(Integer arg); } |
| |
| private static void assertNotIncremented(IntegerOp lmb, String label) { |
| int result = lmb.apply(3); |
| if (result != 3) { |
| throw new AssertionError("Post-increment failure. Expected 3, got: " + |
| result + " " + label); |
| } |
| } |
| |
| public static void main(String... args) throws Exception { |
| assertNotIncremented(x -> x++, "PostIncExpr"); |
| assertNotIncremented(x -> { return x++; }, "PostIncReturn"); |
| assertNotIncremented(x -> { int y = x; return y++; }, "PostIncLocal"); |
| assertNotIncremented(x -> { Integer y = x; return y++; }, "PostIncLocalBox"); |
| assertNotIncremented(x -> { int y = x; return y; }, "HASINIT"); |
| } |
| } |