1 /*
   2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This code is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  */
  22 
  23 /*
  24  * This file is available under and governed by the GNU General Public
  25  * License version 2 only, as published by the Free Software Foundation.
  26  * However, the following notice accompanied the original version of this
  27  * file:
  28  *
  29  * Written by Doug Lea and Martin Buchholz with assistance from
  30  * members of JCP JSR-166 Expert Group and released to the public
  31  * domain, as explained at
  32  * http://creativecommons.org/publicdomain/zero/1.0/
  33  */
  34 
  35 import java.util.ArrayList;
  36 import java.util.Arrays;
  37 import java.util.List;
  38 
  39 import junit.framework.Test;
  40 
  41 public class ArrayListTest extends JSR166TestCase {
  42     public static void main(String[] args) {
  43         main(suite(), args);
  44     }
  45 
  46     public static Test suite() {
  47         class Implementation implements CollectionImplementation {
  48             public Class<?> klazz() { return ArrayList.class; }
  49             public List emptyCollection() { return new ArrayList(); }
  50             public Object makeElement(int i) { return i; }
  51             public boolean isConcurrent() { return false; }
  52             public boolean permitsNulls() { return true; }
  53         }
  54         class SubListImplementation extends Implementation {
  55             public List emptyCollection() {
  56                 return super.emptyCollection().subList(0, 0);
  57             }
  58         }
  59         return newTestSuite(
  60                 ArrayListTest.class,
  61                 CollectionTest.testSuite(new Implementation()),
  62                 CollectionTest.testSuite(new SubListImplementation()));
  63     }
  64 
  65     /**
  66      * A cloned list equals original
  67      */
  68     public void testClone() throws Exception {
  69         ArrayList<Integer> x = new ArrayList<>();
  70         x.add(1);
  71         x.add(2);
  72         x.add(3);
  73         ArrayList<Integer> y = (ArrayList<Integer>) x.clone();
  74 
  75         assertNotSame(y, x);
  76         assertEquals(x, y);
  77         assertEquals(y, x);
  78         assertEquals(x.size(), y.size());
  79         assertEquals(x.toString(), y.toString());
  80         assertTrue(Arrays.equals(x.toArray(), y.toArray()));
  81         while (!x.isEmpty()) {
  82             assertFalse(y.isEmpty());
  83             assertEquals(x.remove(0), y.remove(0));
  84         }
  85         assertTrue(y.isEmpty());
  86     }
  87 
  88 }