Author: scolebourne
Date: Sun Nov  5 16:22:53 2006
New Revision: 471580

URL: http://svn.apache.org/viewvc?view=rev&rev=471580
Log:
Generify CompositeCollection

Modified:
    
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/java/org/apache/commons/collections/collection/CompositeCollection.java
    
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/collection/TestCompositeCollection.java
    
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/set/TestCompositeSet.java

Modified: 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/java/org/apache/commons/collections/collection/CompositeCollection.java
URL: 
http://svn.apache.org/viewvc/jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/java/org/apache/commons/collections/collection/CompositeCollection.java?view=diff&rev=471580&r1=471579&r2=471580
==============================================================================
--- 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/java/org/apache/commons/collections/collection/CompositeCollection.java
 (original)
+++ 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/java/org/apache/commons/collections/collection/CompositeCollection.java
 Sun Nov  5 16:22:53 2006
@@ -21,6 +21,7 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Iterator;
+import java.util.List;
 
 import org.apache.commons.collections.iterators.EmptyIterator;
 import org.apache.commons.collections.iterators.IteratorChain;
@@ -33,6 +34,7 @@
  * Add and remove operations require the use of a pluggable strategy. If no 
  * strategy is provided then add and remove are unsupported.
  *
+ * @param <E> the type of the elements in the collection
  * @since Commons Collections 3.0
  * @version $Revision$ $Date$
  *
@@ -40,42 +42,61 @@
  * @author Stephen Colebourne
  * @author Phil Steitz
  */
-public class CompositeCollection implements Collection {
+public class CompositeCollection<E> implements Collection<E> {
 
     /** CollectionMutator to handle changes to the collection */
-    protected CollectionMutator mutator;
+    protected CollectionMutator<E> mutator;
     /** Collections in the composite */
-    protected Collection[] all;
+    protected List<Collection<E>> all = new ArrayList<Collection<E>>();
 
     /**
      * Create an empty CompositeCollection.
      */
     public CompositeCollection() {
         super();
-        this.all = new Collection[0];
     }
 
     /**
-     * Create a Composite Collection with only coll composited.
-     * 
-     * @param coll  a collection to decorate
+     * Create a Composite Collection with one collection.
+     *
+     * @param compositeCollection  the Collection to be appended to the 
composite
      */
-    public CompositeCollection(Collection coll) {
-        this();
-        this.addComposited(coll);
+    public CompositeCollection(Collection<E> compositeCollection) {
+        super();
+        addComposited(compositeCollection);
     }
 
     /**
-     * Create a CompositeCollection with colls as the initial list of
-     * composited collections.
+     * Create a Composite Collection with two collections.
+     *
+     * @param compositeCollection1  the Collection to be appended to the 
composite
+     * @param compositeCollection2  the Collection to be appended to the 
composite
+     */
+    public CompositeCollection(Collection<E> compositeCollection1, 
Collection<E> compositeCollection2) {
+        super();
+        addComposited(compositeCollection1, compositeCollection2);
+    }
+
+    /**
+     * Create a Composite Collection with an array of collections.
      * 
-     * @param colls  an array of collections to decorate
+     * @param compositeCollections  the collections to composite
      */
-    public CompositeCollection(Collection[] colls) {
-        this();
-        this.addComposited(colls);
+    public CompositeCollection(Collection<E>[] compositeCollections) {
+        super();
+        addComposited(compositeCollections);
     }
 
+//    /**
+//     * Create a Composite Collection extracting the collections from an 
iterable.
+//     * 
+//     * @param compositeCollections  the collections to composite
+//     */
+//    public CompositeCollection(Iterable<Collection<E>> compositeCollections) 
{
+//        super();
+//        addComposited(compositeCollections);
+//    }
+
     //-----------------------------------------------------------------------
     /**
      * Gets the size of this composite collection.
@@ -86,8 +107,8 @@
      */
     public int size() {
         int size = 0;
-        for (int i = this.all.length - 1; i >= 0; i--) {
-            size += this.all[i].size();
+        for (Collection<E> item : all) {
+            size += item.size();
         }
         return size;
     }
@@ -100,8 +121,8 @@
      * @return true if all of the contained collections are empty
      */
     public boolean isEmpty() {
-        for (int i = this.all.length - 1; i >= 0; i--) {
-            if (this.all[i].isEmpty() == false) {
+        for (Collection<E> item : all) {
+            if (item.isEmpty() == false) {
                 return false;
             }
         }
@@ -117,8 +138,8 @@
      * @return true if obj is contained in any of the contained collections
      */
     public boolean contains(Object obj) {
-        for (int i = this.all.length - 1; i >= 0; i--) {
-            if (this.all[i].contains(obj)) {
+        for (Collection<E> item : all) {
+            if (item.contains(obj)) {
                 return true;
             }
         }
@@ -135,13 +156,13 @@
      *  the order they were added, but this behavior should not be relied upon.
      * @see IteratorChain
      */
-    public Iterator iterator() {
-        if (this.all.length == 0) {
+    public Iterator<E> iterator() {
+        if (all.isEmpty()) {
             return EmptyIterator.INSTANCE;
         }
         IteratorChain chain = new IteratorChain();
-        for (int i = 0; i < this.all.length; ++i) {
-            chain.addIterator(this.all[i].iterator());
+        for (Collection<E> item : all) {
+            chain.addIterator(item.iterator());
         }
         return chain;
     }
@@ -152,9 +173,9 @@
      * @return an object array of all the elements in the collection
      */
     public Object[] toArray() {
-        final Object[] result = new Object[this.size()];
+        final Object[] result = new Object[size()];
         int i = 0;
-        for (Iterator it = this.iterator(); it.hasNext(); i++) {
+        for (Iterator<E> it = iterator(); it.hasNext(); i++) {
             result[i] = it.next();
         }
         return result;
@@ -167,8 +188,9 @@
      * @param array  the array to use, populating if possible
      * @return an array of all the elements in the collection
      */
-    public Object[] toArray(Object[] array) {
-        int size = this.size();
+    @SuppressWarnings("unchecked")
+    public <T> T[] toArray(T[] array) {
+        int size = size();
         Object[] result = null;
         if (array.length >= size) {
             result = array;
@@ -177,15 +199,15 @@
         }
         
         int offset = 0;
-        for (int i = 0; i < this.all.length; ++i) {
-            for (Iterator it = this.all[i].iterator(); it.hasNext();) {
+        for (Collection<E> item : all) {
+            for (Iterator<E> it = item.iterator(); it.hasNext();) {
                 result[offset++] = it.next();
             }
         }
         if (result.length > size) {
             result[size] = null;
         }
-        return result;
+        return (T[]) result;
     }
 
     /**
@@ -200,12 +222,12 @@
      * @throws NullPointerException if the object cannot be added because its 
null
      * @throws IllegalArgumentException if the object cannot be added
      */
-    public boolean add(Object obj) {
-        if (this.mutator == null) {
+    public boolean add(E obj) {
+        if (mutator == null) {
            throw new UnsupportedOperationException(
-           "add() is not supported on CompositeCollection without a 
CollectionMutator strategy");
+               "add() is not supported on CompositeCollection without a 
CollectionMutator strategy");
         }
-        return this.mutator.add(this, this.all, obj);
+        return mutator.add(this, all, obj);
     }
 
     /**
@@ -220,11 +242,11 @@
      * @throws IllegalArgumentException if the object cannot be removed
      */
     public boolean remove(Object obj) {
-        if (this.mutator == null) {
+        if (mutator == null) {
             throw new UnsupportedOperationException(
-            "remove() is not supported on CompositeCollection without a 
CollectionMutator strategy");
+                "remove() is not supported on CompositeCollection without a 
CollectionMutator strategy");
         }
-        return this.mutator.remove(this, this.all, obj);
+        return mutator.remove(this, all, obj);
     }
 
     /**
@@ -236,9 +258,9 @@
      * @param coll  the collection to check for
      * @return true if all elements contained
      */
-    public boolean containsAll(Collection coll) {
-        for (Iterator it = coll.iterator(); it.hasNext();) {
-            if (this.contains(it.next()) == false) {
+    public boolean containsAll(Collection<?> coll) {
+        for (Object item : coll) {
+            if (contains(item) == false) {
                 return false;
             }
         }
@@ -257,12 +279,12 @@
      * @throws NullPointerException if the object cannot be added because its 
null
      * @throws IllegalArgumentException if the object cannot be added
      */
-    public boolean addAll(Collection coll) {
-        if (this.mutator == null) {
+    public boolean addAll(Collection<? extends E> coll) {
+        if (mutator == null) {
             throw new UnsupportedOperationException(
-            "addAll() is not supported on CompositeCollection without a 
CollectionMutator strategy");
+                "addAll() is not supported on CompositeCollection without a 
CollectionMutator strategy");
         }
-        return this.mutator.addAll(this, this.all, coll);
+        return mutator.addAll(this, all, coll);
     }
 
     /**
@@ -274,13 +296,13 @@
      * @return true if the collection was modified
      * @throws UnsupportedOperationException if removeAll is unsupported
      */
-    public boolean removeAll(Collection coll) {
+    public boolean removeAll(Collection<?> coll) {
         if (coll.size() == 0) {
             return false;
         }
         boolean changed = false;
-        for (int i = this.all.length - 1; i >= 0; i--) {
-            changed = (this.all[i].removeAll(coll) || changed);
+        for (Collection<E> item : all) {
+            changed |= item.removeAll(coll);
         }
         return changed;
     }
@@ -295,10 +317,10 @@
      * @return true if the collection was modified
      * @throws UnsupportedOperationException if retainAll is unsupported
      */
-    public boolean retainAll(final Collection coll) {
+    public boolean retainAll(final Collection<?> coll) {
         boolean changed = false;
-        for (int i = this.all.length - 1; i >= 0; i--) {
-            changed = (this.all[i].retainAll(coll) || changed);
+        for (Collection<E> item : all) {
+            changed |= item.retainAll(coll);
         }
         return changed;
     }
@@ -311,8 +333,8 @@
      * @throws UnsupportedOperationException if clear is unsupported
      */
     public void clear() {
-        for (int i = 0; i < this.all.length; ++i) {
-            this.all[i].clear();
+        for (Collection<E> coll : all) {
+            coll.clear();
         }
     }
 
@@ -322,76 +344,86 @@
      *
      * @param mutator  the mutator to use
      */
-    public void setMutator(CollectionMutator mutator) {
+    public void setMutator(CollectionMutator<E> mutator) {
         this.mutator = mutator;
     }
 
     /**
      * Add these Collections to the list of collections in this composite
      *
-     * @param comps Collections to be appended to the composite
+     * @param compositeCollection  the Collection to be appended to the 
composite
      */
-    public void addComposited(Collection[] comps) {
-        ArrayList list = new ArrayList(Arrays.asList(this.all));
-        list.addAll(Arrays.asList(comps));
-        all = (Collection[]) list.toArray(new Collection[list.size()]);
+    public void addComposited(Collection<E> compositeCollection) {
+        all.add(compositeCollection);
     }
 
     /**
-     * Add an additional collection to this composite.
-     * 
-     * @param c  the collection to add
+     * Add these Collections to the list of collections in this composite
+     *
+     * @param compositeCollection1  the Collection to be appended to the 
composite
+     * @param compositeCollection2  the Collection to be appended to the 
composite
      */
-    public void addComposited(Collection c) {
-        this.addComposited(new Collection[]{c});
+    public void addComposited(Collection<E> compositeCollection1, 
Collection<E> compositeCollection2) {
+        all.add(compositeCollection1);
+        all.add(compositeCollection2);
     }
 
     /**
-     * Add two additional collections to this composite.
-     * 
-     * @param c  the first collection to add
-     * @param d  the second collection to add
+     * Add these Collections to the list of collections in this composite
+     *
+     * @param compositeCollections  the Collections to be appended to the 
composite
      */
-    public void addComposited(Collection c, Collection d) {
-        this.addComposited(new Collection[]{c, d});
+    public void addComposited(Collection<E>[] compositeCollections) {
+        all.addAll(Arrays.asList(compositeCollections));
     }
 
+//    /**
+//     * Add these Collections to the list of collections in this composite
+//     *
+//     * @param compositeCollections  the Collections to be appended to the 
composite
+//     */
+//    public void addComposited(Iterable<Collection<E>> compositeCollections) {
+//        for (Collection<E> item : compositeCollections) {
+//            all.add(item);
+//        }
+//    }
+
     /**
      * Removes a collection from the those being decorated in this composite.
      *
      * @param coll  collection to be removed
      */
-    public void removeComposited(Collection coll) {
-        ArrayList list = new ArrayList(this.all.length);
-        list.addAll(Arrays.asList(this.all));
-        list.remove(coll);
-        this.all = (Collection[]) list.toArray(new Collection[list.size()]);
+    public void removeComposited(Collection<E> coll) {
+        all.remove(coll);
     }
 
+    //-----------------------------------------------------------------------
     /**
      * Returns a new collection containing all of the elements
      *
      * @return A new ArrayList containing all of the elements in this 
composite.
      *         The new collection is <i>not</i> backed by this composite.
      */
-    public Collection toCollection() {
-        return new ArrayList(this);
+    public Collection<E> toCollection() {
+        return new ArrayList<E>(this);
     }
 
     /**
      * Gets the collections being decorated.
      *
-     * @return Unmodifiable collection of all collections in this composite.
+     * @return Unmodifiable list of all collections in this composite.
      */
-    public Collection getCollections() {
-        return UnmodifiableList.decorate(Arrays.asList(this.all));
+    public List<Collection<E>> getCollections() {
+        return UnmodifiableList.decorate(all);
     }
 
     //-----------------------------------------------------------------------
     /**
      * Pluggable strategy to handle changes to the composite.
+     * 
+     * @param <E> the element being held in the collection
      */
-    public interface CollectionMutator {
+    public interface CollectionMutator<E> {
         
         /**
          * Called when an object is to be added to the composite.
@@ -405,7 +437,7 @@
          * @throws NullPointerException if the object cannot be added because 
its null
          * @throws IllegalArgumentException if the object cannot be added
          */
-        public boolean add(CompositeCollection composite, Collection[] 
collections, Object obj);
+        public boolean add(CompositeCollection<E> composite, 
List<Collection<E>> collections, E obj);
         
         /**
          * Called when a collection is to be added to the composite.
@@ -419,7 +451,7 @@
          * @throws NullPointerException if the object cannot be added because 
its null
          * @throws IllegalArgumentException if the object cannot be added
          */
-        public boolean addAll(CompositeCollection composite, Collection[] 
collections, Collection coll);
+        public boolean addAll(CompositeCollection<E> composite, 
List<Collection<E>> collections, Collection<? extends E> coll);
         
         /**
          * Called when an object is to be removed to the composite.
@@ -433,7 +465,7 @@
          * @throws NullPointerException if the object cannot be removed 
because its null
          * @throws IllegalArgumentException if the object cannot be removed
          */
-        public boolean remove(CompositeCollection composite, Collection[] 
collections, Object obj);
+        public boolean remove(CompositeCollection<E> composite, 
List<Collection<E>> collections, Object obj);
         
     }
 

Modified: 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/collection/TestCompositeCollection.java
URL: 
http://svn.apache.org/viewvc/jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/collection/TestCompositeCollection.java?view=diff&rev=471580&r1=471579&r2=471580
==============================================================================
--- 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/collection/TestCompositeCollection.java
 (original)
+++ 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/collection/TestCompositeCollection.java
 Sun Nov  5 16:22:53 2006
@@ -16,10 +16,12 @@
  */
 package org.apache.commons.collections.collection;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.List;
 
 import junit.framework.Test;
 import junit.framework.TestSuite;
@@ -34,7 +36,7 @@
  * @author Brian McCallister
  * @author Phil Steitz
  */
-public class TestCompositeCollection extends AbstractTestCollection {
+public class TestCompositeCollection extends AbstractTestCollection<String> {
     
     public TestCompositeCollection(String name) {
         super(name);
@@ -64,26 +66,26 @@
     /**
      * Empty collection is empty composite
      */
-    public Collection makeCollection() {
-        return new CompositeCollection();
+    public Collection<String> makeCollection() {
+        return new CompositeCollection<String>();
     }
     
-    public Collection makeConfirmedCollection() {
-        return new HashSet();
+    public Collection<String> makeConfirmedCollection() {
+        return new HashSet<String>();
     }
     
-    public Object[] getFullElements() {
-        return new Object[] {"1", "2", "3", "4"};
+    public String[] getFullElements() {
+        return new String[] {"1", "2", "3", "4"};
     }
     
     /**
      * Full collection consists of 4 collections, each with one element
      */
-    public Collection makeFullCollection() {
-        CompositeCollection compositeCollection = new CompositeCollection();
-        Object[] elements = getFullElements();
+    public Collection<String> makeFullCollection() {
+        CompositeCollection<String> compositeCollection = new 
CompositeCollection<String>();
+        String[] elements = getFullElements();
         for (int i = 0; i < elements.length; i++) {
-            Collection summand = new HashSet();
+            Collection<String> summand = new HashSet<String>();
             summand.add(elements[i]);
             compositeCollection.addComposited(summand);
         }
@@ -93,8 +95,8 @@
     /**
      * Full collection should look like a collection with 4 elements
      */
-    public Collection makeConfirmedFullCollection() {
-        Collection collection = new HashSet();
+    public Collection<String> makeConfirmedFullCollection() {
+        Collection<String> collection = new HashSet<String>();
         collection.addAll(Arrays.asList(getFullElements()));
         return collection;
     }
@@ -116,39 +118,39 @@
     
     
//--------------------------------------------------------------------------
     
-    protected CompositeCollection c;
-    protected Collection one;
-    protected Collection two;
+    protected CompositeCollection<String> c;
+    protected Collection<String> one;
+    protected Collection<String> two;
     
     protected void setUpTest() {
-        c = new CompositeCollection();
-        one = new HashSet();
-        two = new HashSet();
+        c = new CompositeCollection<String>();
+        one = new HashSet<String>();
+        two = new HashSet<String>();
     }
     
     protected void setUpMutatorTest() {
         setUpTest();
-        c.setMutator(new CompositeCollection.CollectionMutator() {
-            public boolean add(CompositeCollection composite, 
-            Collection[] collections, Object obj) {
-                for (int i = 0; i < collections.length; i++) {
-                    collections[i].add(obj);
+        c.setMutator(new CompositeCollection.CollectionMutator<String>() {
+            public boolean add(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, String obj) {
+                for (Collection<String> collection : collections) {
+                    collection.add(obj);
                 }
                 return true;
             }
             
-            public boolean addAll(CompositeCollection composite, 
-            Collection[] collections, Collection coll) {
-                for (int i = 0; i < collections.length; i++) {
-                    collections[i].addAll(coll);
+            public boolean addAll(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, Collection<? extends 
String> coll) {
+                for (Collection<String> collection : collections) {
+                    collection.addAll(coll);
                 }
                 return true;
             }
             
-            public boolean remove(CompositeCollection composite, 
-            Collection[] collections, Object obj) {
-                for (int i = 0; i < collections.length; i++) {
-                    collections[i].remove(obj);
+            public boolean remove(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, Object obj) {
+                for (Collection<String> collection : collections) {
+                    collection.remove(obj);
                 }
                 return true;
             }
@@ -157,7 +159,7 @@
             
     public void testSize() {
         setUpTest();
-        HashSet set = new HashSet();
+        HashSet<String> set = new HashSet<String>();
         set.add("a");
         set.add("b");
         c.addComposited(set);
@@ -166,11 +168,11 @@
     
     public void testMultipleCollectionsSize() {
         setUpTest();
-        HashSet set = new HashSet();
+        HashSet<String> set = new HashSet<String>();
         set.add("a");
         set.add("b");
         c.addComposited(set);
-        HashSet other = new HashSet();
+        HashSet<String> other = new HashSet<String>();
         other.add("c");
         c.addComposited(other);
         assertEquals(set.size() + other.size(), c.size());
@@ -179,7 +181,7 @@
     public void testIsEmpty() {
         setUpTest();
         assertTrue(c.isEmpty());
-        HashSet empty = new HashSet();
+        HashSet<String> empty = new HashSet<String>();
         c.addComposited(empty);
         assertTrue(c.isEmpty());
         empty.add("a");
@@ -193,8 +195,8 @@
         two.add("2");
         c.addComposited(one);
         c.addComposited(two);
-        Iterator i = c.iterator();
-        Object next = i.next();
+        Iterator<String> i = c.iterator();
+        String next = i.next();
         assertTrue(c.contains(next));
         assertTrue(one.contains(next));
         next = i.next();
@@ -237,25 +239,25 @@
     
     public void testAddAllMutator() {
         setUpTest();
-        c.setMutator(new CompositeCollection.CollectionMutator() {
-            public boolean add(CompositeCollection composite, 
-            Collection[] collections, Object obj) {
-                for (int i = 0; i < collections.length; i++) {
-                    collections[i].add(obj);
+        c.setMutator(new CompositeCollection.CollectionMutator<String>() {
+            public boolean add(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, String obj) {
+                for (Collection<String> collection : collections) {
+                    collection.add(obj);
                 }
                 return true;
             }
             
-            public boolean addAll(CompositeCollection composite, 
-            Collection[] collections, Collection coll) {
-                for (int i = 0; i < collections.length; i++) {
-                    collections[i].addAll(coll);
+            public boolean addAll(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, Collection<? extends 
String> coll) {
+                for (Collection<String> collection : collections) {
+                    collection.addAll(coll);
                 }
                 return true;
             }
             
-            public boolean remove(CompositeCollection composite, 
-            Collection[] collections, Object obj) {
+            public boolean remove(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, Object obj) {
                 return false;
             }
         });
@@ -269,25 +271,25 @@
     
     public void testAddMutator() {
         setUpTest();
-        c.setMutator(new CompositeCollection.CollectionMutator() {
-            public boolean add(CompositeCollection composite, 
-            Collection[] collections, Object obj) {
-                for (int i = 0; i < collections.length; i++) {
-                    collections[i].add(obj);
+        c.setMutator(new CompositeCollection.CollectionMutator<String>() {
+            public boolean add(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, String obj) {
+                for (Collection<String> collection : collections) {
+                    collection.add(obj);
                 }
                 return true;
             }
             
-            public boolean addAll(CompositeCollection composite, 
-            Collection[] collections, Collection coll) {
-                for (int i = 0; i < collections.length; i++) {
-                    collections[i].addAll(coll);
+            public boolean addAll(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, Collection<? extends 
String> coll) {
+                for (Collection<String> collection : collections) {
+                    collection.addAll(coll);
                 }
                 return true;
             }
             
-            public boolean remove(CompositeCollection composite, 
-            Collection[] collections, Object obj) {
+            public boolean remove(CompositeCollection<String> composite, 
+                    List<Collection<String>> collections, Object obj) {
                 return false;
             }
         });
@@ -303,7 +305,7 @@
         one.add("1");
         two.add("2");
         c.addComposited(one, two);
-        Collection foo = c.toCollection();
+        Collection<String> foo = c.toCollection();
         assertTrue(foo.containsAll(c));
         assertEquals(c.size(), foo.size());
         one.add("3");
@@ -315,7 +317,7 @@
         one.add("1");
         two.add("2");
         c.addComposited(one, two);
-        Collection toCollection = new HashSet();
+        Collection<String> toCollection = new HashSet<String>();
         toCollection.addAll(c);
         assertTrue(toCollection.containsAll(c));
         assertEquals(c.size(), toCollection.size());
@@ -338,8 +340,10 @@
         one.add("1");
         two.add("2");
         two.add("1");
+        // need separate list to remove, as otherwise one clears itself
+        Collection<String> removing = new ArrayList<String>(one);
         c.addComposited(one, two);
-        c.removeAll(one);
+        c.removeAll(removing);
         assertTrue(!c.contains("1"));
         assertTrue(!one.contains("1"));
         assertTrue(!two.contains("1"));

Modified: 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/set/TestCompositeSet.java
URL: 
http://svn.apache.org/viewvc/jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/set/TestCompositeSet.java?view=diff&rev=471580&r1=471579&r2=471580
==============================================================================
--- 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/set/TestCompositeSet.java
 (original)
+++ 
jakarta/commons/proper/collections/branches/collections_jdk5_branch/src/test/org/apache/commons/collections/set/TestCompositeSet.java
 Sun Nov  5 16:22:53 2006
@@ -16,15 +16,16 @@
  */
 package org.apache.commons.collections.set;
 
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
 import junit.framework.Test;
 import junit.framework.TestSuite;
 
 import org.apache.commons.collections.collection.CompositeCollection;
 
-import java.util.Set;
-import java.util.HashSet;
-import java.util.Collection;
-
 /**
  * Extension of [EMAIL PROTECTED] AbstractTestSet} for exercising the 
  * [EMAIL PROTECTED] CompositeSet} implementation.
@@ -55,17 +56,17 @@
             }
             
             public boolean add(CompositeCollection composite, 
-                Collection[] collections, Object obj) {
+                    List collections, Object obj) {
                 return contained.add(obj);
             }
             
             public boolean addAll(CompositeCollection composite, 
-                Collection[] collections, Collection coll) {
+                    List collections, Collection coll) {
                 return contained.addAll(coll);
             }
             
             public boolean remove(CompositeCollection composite, 
-                Collection[] collections, Object obj) {
+                    List collections, Object obj) {
                 return contained.remove(obj);
             }
         });
@@ -123,17 +124,17 @@
             }
             
             public boolean add(CompositeCollection composite, 
-                Collection[] collections, Object obj) {
+                    List collections, Object obj) {
                 throw new UnsupportedOperationException();
             }
             
             public boolean addAll(CompositeCollection composite, 
-                Collection[] collections, Collection coll) {
+                    List collections, Collection coll) {
                 throw new UnsupportedOperationException();
             }
             
             public boolean remove(CompositeCollection composite, 
-                Collection[] collections, Object obj) {
+                    List collections, Object obj) {
                 throw new UnsupportedOperationException();
             }
         });



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