test/tools/javac/lambda/LambdaExprLeadsToMissingClassFilesTest.java

Thu, 26 Mar 2015 11:34:50 +0100

author
jlahoda
date
Thu, 26 Mar 2015 11:34:50 +0100
changeset 2734
ba758e1ffa69
parent 0
959103a6100f
child 2801
31ceef045272
permissions
-rw-r--r--

8054220: Debugger doesn't show variables *outside* lambda
8058227: Debugger has no access to outer variables inside Lambda
Summary: Put local variables captured by lambda into the lambda method's LocalVariableTable.
Reviewed-by: mcimadamore, rfield

     1 /*
     2  * Copyright (c) 2012, 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.
     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  */
    24 /*
    25  * @test
    26  * @bug 8003280
    27  * @summary Add lambda tests
    28  *  stale state after speculative attribution round leads to missing classfiles
    29  */
    30 public class LambdaExprLeadsToMissingClassFilesTest<T> {
    32     static int assertionCount = 0;
    34     static void assertTrue(boolean cond) {
    35         assertionCount++;
    36         if (!cond) {
    37             throw new AssertionError();
    38         }
    39     }
    41     interface SAM1<X> {
    42         X m(X t, String s);
    43     }
    45     interface SAM2 {
    46         void m(String s, int i);
    47     }
    49     interface SAM3<X> {
    50         X m(X t, String s, int i);
    51     }
    53     void call(SAM1<T> s1) { assertTrue(true); }
    55     void call(SAM2 s2) { assertTrue(false); }
    57     void call(SAM3<T> s3) { assertTrue(false); }
    59     public static void main(String[] args) {
    60         LambdaExprLeadsToMissingClassFilesTest<StringBuilder> test =
    61                 new LambdaExprLeadsToMissingClassFilesTest<>();
    63         test.call((builder, string) -> { builder.append(string); return builder; });
    64         assertTrue(assertionCount == 1);
    65     }
    66 }

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