Wed, 24 Sep 2014 11:38:26 -0700
Added tag jdk8u40-b07 for changeset 2fa3858a281f
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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 /**
27 * @test
28 * @bug 8038420
29 * @summary Lambda returning post-increment generates wrong code
30 * @run main LambdaIncrement
31 */
33 public class LambdaIncrement {
35 interface IntegerOp { Integer apply(Integer arg); }
37 private static void assertNotIncremented(IntegerOp lmb, String label) {
38 int result = lmb.apply(3);
39 if (result != 3) {
40 throw new AssertionError("Post-increment failure. Expected 3, got: " +
41 result + " " + label);
42 }
43 }
45 public static void main(String... args) throws Exception {
46 assertNotIncremented(x -> x++, "PostIncExpr");
47 assertNotIncremented(x -> { return x++; }, "PostIncReturn");
48 assertNotIncremented(x -> { int y = x; return y++; }, "PostIncLocal");
49 assertNotIncremented(x -> { Integer y = x; return y++; }, "PostIncLocalBox");
50 assertNotIncremented(x -> { int y = x; return y; }, "HASINIT");
51 }
52 }