/*
$Id$
Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
Redistribution and use of this software and associated documentation
("Software"), with or without modification, are permitted provided
that the following conditions are met:
1. Redistributions of source code must retain copyright
statements and notices. Redistributions must also contain a
copy of this document.
2. Redistributions in binary form must reproduce the
above copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
3. The name "groovy" must not be used to endorse or promote
products derived from this Software without prior written
permission of The Codehaus. For written permission,
please contact info@codehaus.org.
4. Products derived from this Software may not be called "groovy"
nor may "groovy" appear in their names without prior written
permission of The Codehaus. "groovy" is a registered
trademark of The Codehaus.
5. Due credit should be given to The Codehaus -
http://groovy.codehaus.org/
THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package groovy.lang;
import junit.framework.TestCase;
import java.math.BigDecimal;
import java.util.Iterator;
import java.util.List;
/**
* @author James Strachan
* @version $Revision$
*/
public class RangeTest extends TestCase {
public void testSize() {
Range r = createRange(0, 10);
assertEquals("Size of " + r, 11, r.size());
r = createRange(0, 1);
assertEquals("Size of " + r, 2, r.size());
r = createRange(0, 0);
assertEquals("Size of " + r, 1, r.size());
r = createRange(new BigDecimal("2.1"), new BigDecimal("10.0"));
assertEquals("Size of " + r, 8, r.size());
}
public void testProperties() {
Range r = createRange(0, 10);
assertEquals("from", 0, r.getFrom());
assertEquals("to", 10, r.getTo());
}
public void testGet() {
Range r = createRange(10, 20);
for (int i = 0; i < 10; i++) {
Integer value = (Integer) r.get(i);
assertEquals("Item at index: " + i, i + 10, value.intValue());
}
r = createRange(new BigDecimal("3.2"), new BigDecimal("9.9"));
for (int i = 0; i < r.size(); i++) {
BigDecimal value = (BigDecimal) r.get(i);
assertEquals("Item at index: " + i, new BigDecimal("3.2").add(new BigDecimal("" + i)), value);
}
}
public void testNullForFromOrToIsIllegal() {
Comparable dontcare = new Integer(0);
try {
new ObjectRange((Comparable)null, dontcare);
fail("Should have thrown IllegalArgumentException");
}
catch (IllegalArgumentException e) {
// worked
}
}
public void testGetOutOfRange() {
Range r = createRange(10, 20);
try {
r.get(-1);
fail("Should have thrown IndexOutOfBoundsException");
}
catch (IndexOutOfBoundsException e) {
// worked
}
try {
r.get(11);
fail("Should have thrown IndexOutOfBoundsException");
}
catch (IndexOutOfBoundsException e) {
// worked
}
r = createRange(new BigDecimal("-4.3"), new BigDecimal("1.4"));
try {
r.get(-1);
fail("Should have thrown IndexOutOfBoundsException");
}
catch (IndexOutOfBoundsException e) {
// worked
}
try {
r.get(7);
fail("Should have thrown IndexOutOfBoundsException");
}
catch (IndexOutOfBoundsException e) {
// worked
}
}
public void testContains() {
Range r = createRange(10, 20);
assertTrue("contains 11", r.contains(new Integer(11)));
assertTrue("contains 10", r.contains(new Integer(10)));
assertTrue("contains 19", r.contains(new Integer(19)));
assertFalse("contains 9", r.contains(new Integer(9)));
assertFalse("contains 21", r.contains(new Integer(21)));
assertFalse("contains 100", r.contains(new Integer(100)));
assertFalse("contains -1", r.contains(new Integer(-1)));
r = createRange(new BigDecimal("2.1"), new BigDecimal("10.0"));
assertTrue("contains 9.1", r.contains(new BigDecimal("9.1")));
assertFalse("contains 10.1", r.contains(new BigDecimal("10.1")));
assertFalse("contains 8.0", r.contains(new BigDecimal("8.0")));
assertTrue("containsWithinBounds 8.0", r.containsWithinBounds(new BigDecimal("8.0")));
assertTrue("containsWithinBounds 9.9999", r.containsWithinBounds(new BigDecimal("9.9999")));
assertTrue("containsWithinBounds 10.0", r.containsWithinBounds(new BigDecimal("10.0")));
assertFalse("containsWithinBounds 10.0001", r.containsWithinBounds(new BigDecimal("10.0001")));
}
public void testContainsWithLikeNumbers() {
Range r = new ObjectRange(new Integer(1), new Short((short)3));
assertTrue("contains 2", r.contains(new Integer(2)));
r = new ObjectRange(new Float(1.0), new Double(3.0));
assertTrue("contains 2.0d", r.contains(new Double(2.0)));
assertTrue("contains 2.0g", r.contains(new BigDecimal(2.0)));
r = new ObjectRange(new BigDecimal(1.0), new BigDecimal(3.0));
assertTrue("contains 2.0d", r.contains(new Double(2.0)));
assertTrue("contains 2.0f", r.contains(new Float(2.0)));
}
public void testContainsWithIncompatibleType() {
Range r = new ObjectRange(new Integer(1), new Short((short)3));
assertFalse("shouldn't contain string", r.contains("String"));
}
public void testSubList() {
Range r = createRange(10, 20);
List s = r.subList(2, 4);
Range sr = (Range) s;
assertEquals("from", 12, sr.getFrom());
assertEquals("to", 13, sr.getTo());
assertEquals("size", 2, sr.size());
r = createRange(new BigDecimal("0.5"), new BigDecimal("8.5"));
assertEquals("size", 9, r.size());
s = r.subList(2, 5);
sr = (Range) s;
assertEquals("from", new BigDecimal("2.5"), sr.getFrom());
assertEquals("to", new BigDecimal("4.5"), sr.getTo());
assertTrue("contains 4.5", sr.contains(new BigDecimal("4.5")));
assertFalse("contains 5.5", sr.contains(new BigDecimal("5.5")));
assertEquals("size", 3, sr.size());
}
public void testHashCodeAndEquals() {
Range a = createRange(1, 11);
Range b = createRange(1, 11);
Range c = createRange(2, 11);
assertEquals("hashcode", a.hashCode(), b.hashCode());
assertTrue("hashcode", a.hashCode() != c.hashCode());
assertEquals("a and b", a, b);
assertFalse("a != c", a.equals(c));
}
public void testIterator() {
Range r = createRange(5, 11);
int i = 5;
for (Iterator it = r.iterator(); it.hasNext();) {
assertEquals("equals to " + i, new Integer(i), (Integer) (it.next()));
i++;
}
r = createRange(new BigDecimal("5.0"), new BigDecimal("11.0"));
BigDecimal one = new BigDecimal("1.0");
BigDecimal val = new BigDecimal("5.0");
for (Iterator it = r.iterator(); it.hasNext();) {
assertEquals("equals to " + val, val, (BigDecimal) (it.next()));
val = val.add(one);
}
}
protected Range createRange(int from, int to) {
return new ObjectRange(new Integer(from), new Integer(to));
}
protected Range createRange(BigDecimal from, BigDecimal to) {
return new ObjectRange(from, to);
}
protected void assertEquals(String msg, int expected, Object value) {
assertEquals(msg, new Integer(expected), value);
}
}