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 6970930

    27  * @summary verify that compare() throws NPE instead of IAE when an argument is null.

    28  */

    29 import java.text.*;

    30 

    31 public class Bug6970930 {

    32 

    33     private static boolean err = false;

    34 

    35     public static void main(String[] args) {

    36         // Check if compare() throws NPE.

    37         test1(null, null);

    38         test1("\"foo\"", null);

    39         test1(null, "\"bar\"");

    40 

    41         if (err) {

    42             throw new RuntimeException("Failed.");

    43         } else {

    44             System.out.println("Passed.");

    45         }

    46     }

    47 

    48     private static void test1(String s1, String s2) {

    49         RuleBasedCollator col = null;

    50 

    51         try {

    52             col = new RuleBasedCollator("< a < b");

    53         }

    54         catch (ParseException e) {

    55             err = true;

    56             System.err.println(e);

    57         }

    58 

    59         try {

    60             col.compare("foo", "bar"); // This line is necessary to reproduce the bug.

    61             col.compare(s1, s2);

    62 

    63             err = true;

    64             System.err.println("No exception was thrown for compare(" +

    65                                s1 + ", " +  s2 + ").");

    66         }

    67         catch (NullPointerException e) {

    68             System.out.println("NPE was thrown as expected for compare(" +

    69                                s1 + ", " + s2 + ").");

    70         }

    71         catch (Exception e) {

    72             err = true;

    73             System.err.println("Unexpected exception was thrown for compare(" +

    74                                s1 + ", " + s2 + "): " + e);

    75         }

    76     }

    77 

    78 }