langtools/test/tools/javac/TryWithResources/TwrSuppression.java
changeset 6161 ab857bfb695a
child 7213 912fdd70fd2a
equal deleted inserted replaced
6160:f84f82e24ceb 6161:ab857bfb695a
       
     1 /*
       
     2  * Copyright (c) 2010, 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 6971877
       
    27  * @author Joseph D. Darcy
       
    28  * @summary Verify a primary exception suppresses all throwables
       
    29  */
       
    30 
       
    31 public class TwrSuppression implements AutoCloseable {
       
    32     public static void main(String... args) throws Throwable {
       
    33         try {
       
    34             try (TwrSuppression r1 = new TwrSuppression(false);
       
    35                  TwrSuppression r2 = new TwrSuppression(true)) {
       
    36                 throw new RuntimeException();
       
    37             }
       
    38         } catch(RuntimeException e) {
       
    39             Throwable[] suppressedExceptions = e.getSuppressedExceptions();
       
    40             int length = suppressedExceptions.length;
       
    41             if (length != 2)
       
    42                 throw new RuntimeException("Unexpected length " + length);
       
    43 
       
    44             if (suppressedExceptions[0].getClass() != Error.class ||
       
    45                 suppressedExceptions[1].getClass() != Exception.class) {
       
    46                 System.err.println("Unexpected suppressed types!");
       
    47                 e.printStackTrace();
       
    48                 throw new RuntimeException(e);
       
    49             }
       
    50         }
       
    51     }
       
    52 
       
    53     private boolean throwError;
       
    54 
       
    55     private TwrSuppression(boolean throwError) {
       
    56         this.throwError = throwError;
       
    57     }
       
    58 
       
    59     @Override
       
    60     public void close() throws Exception {
       
    61         if (throwError) {
       
    62             throw new Error();
       
    63         } else {
       
    64             throw new Exception();
       
    65         }
       
    66     }
       
    67 }