    1   /*
    2    $Id: RangeTest.java,v 1.7 2004/02/24 22:31:18 jstrachan Exp $
    3
    4    Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
    5
    6    Redistribution and use of this software and associated documentation
    7    ("Software"), with or without modification, are permitted provided
    8    that the following conditions are met:
    9
    10   1. Redistributions of source code must retain copyright
    11      statements and notices.  Redistributions must also contain a
    12      copy of this document.
    13
    14   2. Redistributions in binary form must reproduce the
    15      above copyright notice, this list of conditions and the
    16      following disclaimer in the documentation and/or other
    17      materials provided with the distribution.
    18
    19   3. The name "groovy" must not be used to endorse or promote
    20      products derived from this Software without prior written
    21      permission of The Codehaus.  For written permission,
    22      please contact info@codehaus.org.
    23
    24   4. Products derived from this Software may not be called "groovy"
    25      nor may "groovy" appear in their names without prior written
    26      permission of The Codehaus. "groovy" is a registered
    27      trademark of The Codehaus.
    28
    29   5. Due credit should be given to The Codehaus -
    30      http://groovy.codehaus.org/
    31
    32   THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
    33   ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
    34   NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
    35   FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
    36   THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
    37   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    38   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    39   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    40   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    41   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    42   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
    43   OF THE POSSIBILITY OF SUCH DAMAGE.
    44
    45   */
    46  package groovy.lang;
    47
    48  import java.util.List;
    49
    50  import junit.framework.TestCase;
    51
    52  /***
    53   * @author James Strachan
    54   * @version $Revision: 1.7 $
    55   */
    56  public class RangeTest extends TestCase {
    57
    58      public void testSize() {
    59          Range r = createRange(0, 10);
    60          assertEquals("Size of " + r, 11, r.size());
    61          r = createRange(0, 1);
    62          assertEquals("Size of " + r, 2, r.size());
    63          r = createRange(0, 0);
    64          assertEquals("Size of " + r, 1, r.size());
    65      }
    66
    67      public void testProperties() {
    68          Range r = createRange(0, 10);
    69          assertEquals("from", 0, r.getFrom());
    70          assertEquals("to", 10, r.getTo());
    71      }
    72
    73      public void testGet() {
    74          Range r = createRange(10, 20);
    75          for (int i = 0; i < 10; i++) {
    76              Integer value = (Integer) r.get(i);
    77              assertEquals("Item at index: " + i, i + 10, value.intValue());
    78          }
    79      }
    80
    81      public void testGetOutOfRange() {
    82          Range r = createRange(10, 20);
    83
    84          try {
    85              r.get(-1);
    86              fail("Should have thrown IndexOut");
    87          }
    88          catch (IndexOutOfBoundsException e) {
    89              // worked
    90          }
    91          try {
    92              r.get(11);
    93              fail("Should have thrown IndexOut");
    94          }
    95          catch (IndexOutOfBoundsException e) {
    96              // worked
    97          }
    98
    99      }
    100
    101     public void testContains() {
    102         Range r = createRange(10, 20);
    103
    104         assertTrue("contains 11", r.contains(new Integer(11)));
    105         assertTrue("contains 10", r.contains(new Integer(10)));
    106         assertTrue("contains 19", r.contains(new Integer(19)));
    107         assertFalse("contains 9", r.contains(new Integer(9)));
    108         assertFalse("contains 21", r.contains(new Integer(21)));
    109         assertFalse("contains 100", r.contains(new Integer(100)));
    110         assertFalse("contains -1", r.contains(new Integer(-1)));
    111     }
    112
    113     public void testSubList() {
    114         Range r = createRange(10, 20);
    115
    116         List s = r.subList(2, 4);
    117
    118         Range sr = (Range) s;
    119
    120         assertEquals("from", 12, sr.getFrom());
    121         assertEquals("to", 13, sr.getTo());
    122         assertEquals("size", 2, sr.size());
    123     }
    124
    125     public void testHashCodeAndEquals() {
    126         Range a = createRange(1, 11);
    127         Range b = createRange(1, 11);
    128         Range c = createRange(2, 11);
    129
    130         assertEquals("hashcode", a.hashCode(), b.hashCode());
    131         assertTrue("hashcode", a.hashCode() != c.hashCode());
    132
    133         assertEquals("a and b", a, b);
    134         assertFalse("a != c", a.equals(c));
    135     }
    136
    137     public void testIterator() {
    138     }
    139
    140     protected Range createRange(int from, int to) {
    141         return new ObjectRange(new Integer(from), new Integer(to));
    142     }
    143
    144     protected void assertEquals(String msg, int expected, Object value) {
    145         assertEquals(msg, new Integer(expected), value);
    146     }
    147
    148
    149 }