morgand 02/03/19 14:25:58
Modified: collections/src/test/org/apache/commons/collections/comparators
TestComparatorChain.java
Log:
now throws an exception for comparisons on an empty chain and
added no-op constructor
Revision Changes Path
1.2 +46 -0
jakarta-commons/collections/src/test/org/apache/commons/collections/comparators/TestComparatorChain.java
Index: TestComparatorChain.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/collections/src/test/org/apache/commons/collections/comparators/TestComparatorChain.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- TestComparatorChain.java 1 Mar 2002 23:31:35 -0000 1.1
+++ TestComparatorChain.java 19 Mar 2002 22:25:58 -0000 1.2
@@ -31,6 +31,52 @@
return chain;
}
+ public void testNoopComparatorChain() {
+ ComparatorChain chain = new ComparatorChain();
+ Integer i1 = new Integer(4);
+ Integer i2 = new Integer(6);
+ chain.addComparator(new ComparableComparator());
+
+ int correctValue = i1.compareTo(i2);
+ assertTrue("Comparison returns the right order",chain.compare(i1,i2) ==
correctValue);
+ }
+
+ public void testBadNoopComparatorChain() {
+ ComparatorChain chain = new ComparatorChain();
+ Integer i1 = new Integer(4);
+ Integer i2 = new Integer(6);
+ try {
+ chain.compare(i1,i2);
+ fail("An exception should be thrown when a chain contains zero
comparators.");
+ } catch (UnsupportedOperationException e) {
+
+ }
+ }
+
+ public void testListComparatorChain() {
+ List list = new LinkedList();
+ list.add(new ComparableComparator());
+ ComparatorChain chain = new ComparatorChain(list);
+ Integer i1 = new Integer(4);
+ Integer i2 = new Integer(6);
+
+ int correctValue = i1.compareTo(i2);
+ assertTrue("Comparison returns the right order",chain.compare(i1,i2) ==
correctValue);
+ }
+
+ public void testBadListComparatorChain() {
+ List list = new LinkedList();
+ ComparatorChain chain = new ComparatorChain(list);
+ Integer i1 = new Integer(4);
+ Integer i2 = new Integer(6);
+ try {
+ chain.compare(i1,i2);
+ fail("An exception should be thrown when a chain contains zero
comparators.");
+ } catch (UnsupportedOperationException e) {
+
+ }
+ }
+
public List getComparableObjectsOrdered() {
List list = new LinkedList();
// this is the correct order assuming a
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