1 /* Copyright (c) 2006 Mark J. Wielaard  (mark@klomp.org)

     2 

     3    This file is part of Mauve.

     4 

     5    Mauve is free software; you can redistribute it and/or modify

     6    it under the terms of the GNU General Public License as published by

     7    the Free Software Foundation; either version 2, or (at your option)

     8    any later version.

     9 

    10    Mauve is distributed in the hope that it will be useful,

    11    but WITHOUT ANY WARRANTY; without even the implied warranty of

    12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13    GNU General Public License for more details.

    14 

    15    You should have received a copy of the GNU General Public License

    16    along with Mauve; see the file COPYING.  If not, write to

    17    the Free Software Foundation, 59 Temple Place - Suite 330,

    18    Boston, MA 02111-1307, USA.

    19 */

    20 

    21 // Tags: JDK1.2

    22 

    23 package gnu.testlet.java.util.AbstractCollection;

    24 

    25 import gnu.testlet.Testlet;

    26 import gnu.testlet.TestHarness;

    27 

    28 import java.util.*;

    29 

    30 /**

    31  * Checks that toString() can handle collections that contain themselves.

    32  */

    33 public class toString implements Testlet, Comparator

    34 {

    35   public void test (TestHarness harness)

    36   {

    37     testCollection(new LinkedList(), harness);

    38     testCollection(new ArrayList(), harness);

    39     testCollection(new Vector(), harness);

    40     testCollection(new Stack(), harness);

    41     testCollection(new HashSet(), harness);

    42     testCollection(new LinkedHashSet(), harness);

    43     testCollection(new TreeSet(this), harness);

    44   }

    45 

    46   private void testCollection(Collection c, TestHarness h)

    47   {

    48     h.checkPoint(c.getClass().getName());

    49     c.add(new Integer(123));

    50     c.add(c);

    51     c.add("abc");

    52     String s = c.toString();

    53     h.debug(s);

    54     h.check(s.indexOf("123") != -1);

    55     h.check(s.indexOf("abc") != -1);

    56   }

    57 

    58   public int compare(Object o1, Object o2)

    59   {

    60     return String.valueOf(o1).compareTo(String.valueOf(o2));

    61   }

    62 

    63   public boolean equals(Object o)

    64   {

    65     return o == this;

    66   }

    67 }