1 /*
   2  * Copyright (c) 2001, 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  */
  23 
  24 /*
  25  * @test
  26  * @test 4422738
  27  * @compile InvalidParameters.java
  28  * @run main InvalidParameters
  29  * @summary Make sure PKIXBuilderParameters(Set) detects invalid
  30  *          parameters and throws correct exceptions
  31  */
  32 import java.security.InvalidAlgorithmParameterException;
  33 import java.security.cert.PKIXBuilderParameters;
  34 import java.security.cert.TrustAnchor;
  35 import java.util.Collections;
  36 import java.util.Set;
  37 
  38 public class InvalidParameters {
  39 
  40     public static void main(String[] args) throws Exception {
  41 
  42         // make sure empty Set of anchors throws InvAlgParamExc
  43         try {
  44             PKIXBuilderParameters p =
  45                 new PKIXBuilderParameters(Collections.EMPTY_SET, null);
  46             throw new Exception("should have thrown InvalidAlgorithmParameterExc");
  47         } catch (InvalidAlgorithmParameterException iape) { }
  48 
  49         // make sure null Set of anchors throws NullPointerException
  50         try {
  51             PKIXBuilderParameters p = new PKIXBuilderParameters((Set) null, null);
  52             throw new Exception("should have thrown NullPointerException");
  53         } catch (NullPointerException npe) { }
  54 
  55         // make sure Set of invalid objects throws ClassCastException
  56         try {
  57             @SuppressWarnings("unchecked") // Knowingly do something bad
  58             Set<TrustAnchor> badSet = (Set<TrustAnchor>) (Set) Collections.singleton(new String());
  59             PKIXBuilderParameters p =
  60                 new PKIXBuilderParameters(badSet, null);
  61             throw new Exception("should have thrown ClassCastException");
  62         } catch (ClassCastException cce) { }
  63     }
  64 }