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Added tests for collect, decorator factories. 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131185 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Phil Steitz 2003-09-22 08:22:53 +00:00
parent 949b9ffcb0
commit 03b59c2469
1 changed files with 70 additions and 4 deletions
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74
src/test/org/apache/commons/collections/TestCollectionUtils.java
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@ -1,7 +1,7 @@
/* /*
* $Id: TestCollectionUtils.java,v 1.20 2003/09/21 20:56:51 psteitz Exp $ * $Id: TestCollectionUtils.java,v 1.21 2003/09/22 08:22:53 psteitz Exp $
* $Revision: 1.20 $ * $Revision: 1.21 $
* $Date: 2003/09/21 20:56:51 $ * $Date: 2003/09/22 08:22:53 $
* *
* ==================================================================== * ====================================================================
* *
@ -78,7 +78,10 @@ import junit.framework.TestCase;
import junit.framework.TestSuite; import junit.framework.TestSuite;
import org.apache.commons.collections.decorators.PredicatedCollection; import org.apache.commons.collections.decorators.PredicatedCollection;
import org.apache.commons.collections.decorators.SynchronizedCollection;
import org.apache.commons.collections.decorators.TransformedCollection; import org.apache.commons.collections.decorators.TransformedCollection;
import org.apache.commons.collections.decorators.UnmodifiableCollection;
/** /**
* Tests for CollectionUtils. * Tests for CollectionUtils.
@ -88,7 +91,7 @@ import org.apache.commons.collections.decorators.TransformedCollection;
* @author Stephen Colebourne * @author Stephen Colebourne
* @author Phil Steitz * @author Phil Steitz
* *
* @version $Revision: 1.20 $ $Date: 2003/09/21 20:56:51 $ * @version $Revision: 1.21 $ $Date: 2003/09/22 08:22:53 $
*/ */
public class TestCollectionUtils extends TestCase { public class TestCollectionUtils extends TestCase {
public TestCollectionUtils(String testName) { public TestCollectionUtils(String testName) {
@ -658,6 +661,44 @@ public class TestCollectionUtils extends TestCase {
assertTrue(output.contains("Three")); assertTrue(output.contains("Three"));
assertTrue(output.contains("Four")); assertTrue(output.contains("Four"));
} }
public void testCollect() {
Transformer transformer = TransformerUtils.constantTransformer("z");
Collection collection = CollectionUtils.collect(_a, transformer);
assertTrue(collection.size() == _a.size());
assertTrue(_a.contains("a") && ! _a.contains("z"));
assertTrue(collection.contains("z") && !collection.contains("a"));
collection = new ArrayList();
CollectionUtils.collect(_a, transformer, collection);
assertTrue(collection.size() == _a.size());
assertTrue(_a.contains("a") && ! _a.contains("z"));
assertTrue(collection.contains("z") && !collection.contains("a"));
Iterator iterator = null;
collection = new ArrayList();
CollectionUtils.collect(iterator, transformer, collection);
iterator = _a.iterator();
CollectionUtils.collect(iterator, transformer, collection);
assertTrue(collection.size() == _a.size());
assertTrue(_a.contains("a") && ! _a.contains("z"));
assertTrue(collection.contains("z") && !collection.contains("a"));
iterator = _a.iterator();
collection = CollectionUtils.collect(iterator, transformer);
assertTrue(collection.size() == _a.size());
assertTrue(collection.contains("z") && !collection.contains("a"));
collection = CollectionUtils.collect((Iterator) null, (Transformer) null);
assertTrue(collection.size() == 0);
int size = _a.size();
CollectionUtils.collect((Collection) null, transformer, _a);
assertTrue(_a.size() == size && _a.contains("a"));
CollectionUtils.collect(_b, null, _a);
assertTrue(_a.size() == size && _a.contains("a"));
}
Transformer TRANSFORM_TO_INTEGER = new Transformer() { Transformer TRANSFORM_TO_INTEGER = new Transformer() {
public Object transform(Object input) { public Object transform(Object input) {
@ -880,4 +921,29 @@ public class TestCollectionUtils extends TestCase {
// expected // expected
} }
} }
public void testSynchronizedCollection() {
Collection col = CollectionUtils.synchronizedCollection(new ArrayList());
assertTrue("Returned object should be a SynchronizedCollection.",
col instanceof SynchronizedCollection);
try {
col = CollectionUtils.synchronizedCollection(null);
fail("Expecting IllegalArgumentException for null collection.");
} catch (IllegalArgumentException ex) {
// expected
}
}
public void testUnmodifiableCollection() {
Collection col = CollectionUtils.unmodifiableCollection(new ArrayList());
assertTrue("Returned object should be a UnmodifiableCollection.",
col instanceof UnmodifiableCollection);
try {
col = CollectionUtils.unmodifiableCollection(null);
fail("Expecting IllegalArgumentException for null collection.");
} catch (IllegalArgumentException ex) {
// expected
}
}
} }