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Test filter() and transform()

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@130797 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2002-08-18 15:26:43 +00:00
parent 41be9cbfa9
commit aee5310ddd
1 changed files with 50 additions and 4 deletions
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54
src/test/org/apache/commons/collections/TestCollectionUtils.java
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@ -1,7 +1,7 @@
/* /*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/TestCollectionUtils.java,v 1.4 2002/08/13 00:26:52 pjack Exp $ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/TestCollectionUtils.java,v 1.5 2002/08/18 15:26:43 scolebourne Exp $
* $Revision: 1.4 $ * $Revision: 1.5 $
* $Date: 2002/08/13 00:26:52 $ * $Date: 2002/08/18 15:26:43 $
* *
* ==================================================================== * ====================================================================
* *
@ -66,7 +66,7 @@ import java.util.*;
/** /**
* @author Rodney Waldhoff * @author Rodney Waldhoff
* @version $Id: TestCollectionUtils.java,v 1.4 2002/08/13 00:26:52 pjack Exp $ * @version $Id: TestCollectionUtils.java,v 1.5 2002/08/18 15:26:43 scolebourne Exp $
*/ */
public class TestCollectionUtils extends TestCase { public class TestCollectionUtils extends TestCase {
public TestCollectionUtils(String testName) { public TestCollectionUtils(String testName) {
@ -330,6 +330,52 @@ public class TestCollectionUtils extends TestCase {
} }
public void testFilter() {
List list = new ArrayList();
list.add("One");
list.add("Two");
list.add("Three");
list.add("Four");
CollectionUtils.filter(list, new Predicate() {
public boolean evaluate(Object input) {
return (input.equals("Two"));
}
});
assertEquals(1, list.size());
assertEquals("Two", list.get(0));
}
public void testTransform1() {
List list = new ArrayList();
list.add("1");
list.add("2");
list.add("3");
CollectionUtils.transform(list, new Transformer() {
public Object transform(Object input) {
return new Integer((String) input);
}
});
assertEquals(3, list.size());
assertEquals(new Integer(1), list.get(0));
assertEquals(new Integer(2), list.get(1));
assertEquals(new Integer(3), list.get(2));
}
public void testTransform2() {
Set set = new HashSet();
set.add("1");
set.add("2");
set.add("3");
CollectionUtils.transform(set, new Transformer() {
public Object transform(Object input) {
return new Integer(4);
}
});
assertEquals(1, set.size());
assertEquals(new Integer(4), set.iterator().next());
}
public BulkTest bulkTestPredicatedCollection1() { public BulkTest bulkTestPredicatedCollection1() {
return new TestPredicatedCollection("") { return new TestPredicatedCollection("") {
public Collection predicatedCollection() { public Collection predicatedCollection() {