1 /*

     2  * Copyright (c) 2012, 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 8003280

    27  * @summary Add lambda tests

    28  *  stale state after speculative attribution round leads to missing classfiles

    29  * @compile/fail/ref=ErroneousLambdaExpr.out -XDrawDiagnostics ErroneousLambdaExpr.java

    30  */

    31 public class ErroneousLambdaExpr<T> {

    32 

    33     static int assertionCount = 0;

    34 

    35     static void assertTrue(boolean cond) {

    36         assertionCount++;

    37         if (!cond)

    38             throw new AssertionError();

    39     }

    40 

    41     interface SAM1<X> {

    42         X m(X t, String s);

    43     }

    44 

    45     interface SAM2 {

    46         void m(String s, int i);

    47     }

    48 

    49     interface SAM3<X> {

    50         X m(X t, String s, int i);

    51     }

    52 

    53     void call(SAM1<T> s1) { assertTrue(true); }

    54 

    55     void call(SAM2 s2) { assertTrue(false); }

    56 

    57     void call(SAM3<T> s3) { assertTrue(false); }

    58 

    59     public static void main(String[] args) {

    60         ErroneousLambdaExpr<StringBuilder> test =

    61                 new ErroneousLambdaExpr<>();

    62 

    63         test.call((builder, string) -> { builder.append(string); return builder; });

    64         assertTrue(assertionCount == 1);

    65     }

    66 }