test/tools/javac/defaultMethods/Pos13.java

Sun, 04 Nov 2012 10:59:42 +0000

author
mcimadamore
date
Sun, 04 Nov 2012 10:59:42 +0000
changeset 1393
d7d932236fee
child 1415
01c9d4161882
permissions
-rw-r--r--

7192246: Add type-checking support for default methods
Summary: Add type-checking support for default methods as per Featherweight-Defender document
Reviewed-by: jjg, dlsmith

     1 /*
     2  * Copyright (c) 2012, 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  * @summary qualified 'this' inside default method causes StackOverflowException
    27  * @compile -XDallowDefaultMethods Pos13.java
    28  */
    30 public class Pos13 {
    32     static int assertionCount = 0;
    34     static void assertTrue(boolean cond) {
    35         assertionCount++;
    36         if (!cond)
    37             throw new AssertionError();
    38     }
    40     interface Outer {
    41         abstract void doSomething();
    43         default void m() {
    44             new SubOuter() {
    45                 public void doSomething() {
    46                     Outer.this.doSomething();
    47                 }
    48             }.doSomething();
    49         }
    50     }
    52     interface SubOuter extends Outer { }
    54     static class E implements Outer {
    55         public void doSomething() { assertTrue(true); }
    56     }
    58     public static void main(String[] args) {
    59         new E().m();
    60         assertTrue(assertionCount == 1);
    61     }
    62 }

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