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Added various tests to the NumberRangeTest class,

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including tests for null parameters to overlap, include*, and
constructors.  Tests for hashCode, and tests for equals.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137683 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tim O'Brien 2003-10-11 20:35:11 +00:00
parent c997991e46
commit 7e81d9ca76
1 changed files with 81 additions and 30 deletions
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111
src/test/org/apache/commons/lang/NumberRangeTest.java
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@ -53,6 +53,8 @@
*/
package org.apache.commons.lang;
import java.math.BigDecimal;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
@ -62,33 +64,38 @@
*
* @author <a href="mailto:chrise@esha.com">Christopher Elkins</a>
* @author <a href="mailto:ridesmet@users.sourceforge.net">Ringo De Smet</a>
* @version $Revision: 1.5 $ $Date: 2003/08/18 02:22:25 $
* @author Tim O'Brien
* @version $Revision: 1.6 $ $Date: 2003/10/11 20:35:11 $
*/
public final class NumberRangeTest extends TestCase {
private NumberRange tenToTwenty;
private NumberRange fifteenToTwentyFive;
private NumberRange fiveToNine;
private Number five;
private Number nine;
private Number ten;
private Number fifteen;
private Number twenty;
private Number twentyFive;
public NumberRangeTest(String name) {
super(name);
}
public void setUp() {
five = new Integer(5);
nine = new Double(9.0);
ten = new Integer(10);
fifteen = new Integer(15);
twenty = new Integer(20);
twentyFive = new Integer(25);
tenToTwenty = new NumberRange(ten, twenty);
fifteenToTwentyFive = new NumberRange( fifteen, twentyFive);
fiveToNine = new NumberRange( five, nine );
}
@ -125,7 +132,26 @@ public void testEquals() {
result = tenToTwenty.equals(new NumberRange(fifteen, twenty));
assertEquals(expected, result);
}
public void testEqualsWithOtherObject() {
assertEquals( "A NumberRange should not equals a String object", false, fiveToNine.equals("TEST"));
}
public void testEqualsWithSameReference() {
assertEquals( "A NumberRange should equal itself", true, fiveToNine.equals(fiveToNine));
}
public void testEqualsNull() {
assertEquals( "A NumberRange should not equal null", false, fiveToNine.equals(null));
}
public void testHashCode() {
NumberRange nr = new NumberRange( new Integer(5), new Double(9.0));
assertEquals( "The hashCode of 5-9 should equals the hashcode of another NumberRange of the same min/max",
fiveToNine.hashCode(), nr.hashCode());
assertTrue( "The hashCode of 10-20 should not equal the hashCode of 5-9",
fiveToNine.hashCode() != tenToTwenty.hashCode());
}
public void testIncludesNumber() {
boolean expected = false;
@ -149,6 +175,10 @@ public void testIncludesNumber() {
assertEquals(expected, result);
}
public void testIncludesNumberNull() {
boolean result = tenToTwenty.includesNumber(null);
assertEquals("Includes number should return false for null values", false, result);
}
public void testIncludesRange() {
boolean expected = false;
@ -182,52 +212,73 @@ public void testIncludesRange() {
assertEquals(expected, result);
}
public void testConstructorNullParameters()
{
try
{
public void testIncludesRangeNull() {
boolean result = tenToTwenty.includesRange(null);
assertEquals("Includes range should return false for null values", false, result);
}
public void testConstructor() {
NumberRange nr = new NumberRange( new Double(2.0));
assertEquals("Unexpected min on NumberRange", 2.0, nr.getMinimum().doubleValue(), Double.MIN_VALUE);
assertEquals("Unexpected max on NumberRange", 2.0, nr.getMaximum().doubleValue(), Double.MIN_VALUE);
}
public void testConstructorNullParameters() {
try {
NumberRange nr = new NumberRange(null);
fail("NumberRange(null) did not throw an exception.");
}
catch (Exception e)
{
assertTrue(
"NumberRange(null)",
e instanceof NullPointerException);
} catch (Exception e) {
assertTrue( "NumberRange(null)", e instanceof NullPointerException);
}
try
{
try {
NumberRange nr = new NumberRange(five, null);
fail("NumberRange(five, null) did not throw an exception.");
}
catch (Exception e)
{
assertTrue(
"NumberRange(five, null)",
e instanceof NullPointerException);
} catch (Exception e) {
assertTrue("NumberRange(five, null)", e instanceof NullPointerException);
}
try
{
try {
NumberRange nr = new NumberRange(null, five);
fail("NumberRange(null, five) did not throw an exception.");
} catch (Exception e) {
assertTrue("NumberRange(null, five)", e instanceof NullPointerException);
}
catch (Exception e)
{
assertTrue(
"NumberRange(null, five)",
e instanceof NullPointerException);
}
}
public void testConstructorWithMaxLessThanMin() {
NumberRange nr = new NumberRange( new Double(2.0), new Double(1.0));
assertEquals("Unexpected min on NumberRange", 2.0, nr.getMinimum().doubleValue(), Double.MIN_VALUE);
assertEquals("Unexpected max on NumberRange", 2.0, nr.getMaximum().doubleValue(), Double.MIN_VALUE);
}
public void testOverlap() {
assertEquals( "5-9 should not overlap 10-20", false, fiveToNine.overlaps( tenToTwenty ));
assertEquals( "10-20 should overlap 15-25", true, tenToTwenty.overlaps( fifteenToTwentyFive ));
}
public void testOverlapNull() {
assertEquals( "5-9 should not overlap null", false, fiveToNine.overlaps( null ));
}
public void testToString() {
String expected = "10-20";
String result = tenToTwenty.toString();
assertEquals(expected, result);
}
public void testToStringWithNegatives() {
String expected = "(-20)-(-10)";
NumberRange nr = new NumberRange( new Integer(-20), new Integer(-10));
String result = nr.toString();
assertEquals(expected, result);
expected = "(-20)-10";
nr = new NumberRange( new Integer(-20), new Integer(10));
result = nr.toString();
assertEquals(expected, result);
}
}