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 }