moved collection utilities to util

org.springframework.core/src/test/java/org/springframework/util/CompositeIteratorTests.java

@@ -0,0 +1,98 @@
+package org.springframework.util;
+
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+import junit.framework.TestCase;
+
+/**
+ * Test case for {@link CompositeIterator}.
+ * 
+ * @author Erwin Vervaet
+ */
+public class CompositeIteratorTests extends TestCase {
+
+	public void testNoIterators() {
+		CompositeIterator it = new CompositeIterator();
+		assertFalse(it.hasNext());
+		try {
+			it.next();
+			fail();
+		} catch (NoSuchElementException e) {
+			// expected
+		}
+	}
+
+	public void testSingleIterator() {
+		CompositeIterator it = new CompositeIterator();
+		it.add(Arrays.asList(new String[] { "0", "1" }).iterator());
+		for (int i = 0; i < 2; i++) {
+			assertTrue(it.hasNext());
+			assertEquals(String.valueOf(i), it.next());
+		}
+		assertFalse(it.hasNext());
+		try {
+			it.next();
+			fail();
+		} catch (NoSuchElementException e) {
+			// expected
+		}
+	}
+
+	public void testMultipleIterators() {
+		CompositeIterator it = new CompositeIterator();
+		it.add(Arrays.asList(new String[] { "0", "1" }).iterator());
+		it.add(Arrays.asList(new String[] { "2" }).iterator());
+		it.add(Arrays.asList(new String[] { "3", "4" }).iterator());
+		for (int i = 0; i < 5; i++) {
+			assertTrue(it.hasNext());
+			assertEquals(String.valueOf(i), it.next());
+		}
+		assertFalse(it.hasNext());
+		try {
+			it.next();
+			fail();
+		} catch (NoSuchElementException e) {
+			// expected
+		}
+	}
+
+	public void testInUse() {
+		List list = Arrays.asList(new String[] { "0", "1" });
+		CompositeIterator it = new CompositeIterator();
+		it.add(list.iterator());
+		it.hasNext();
+		try {
+			it.add(list.iterator());
+			fail();
+		} catch (IllegalStateException e) {
+			// expected
+		}
+		it = new CompositeIterator();
+		it.add(list.iterator());
+		it.next();
+		try {
+			it.add(list.iterator());
+			fail();
+		} catch (IllegalStateException e) {
+			// expected
+		}
+	}
+
+	public void testDuplicateIterators() {
+		List list = Arrays.asList(new String[] { "0", "1" });
+		Iterator iterator = list.iterator();
+		CompositeIterator it = new CompositeIterator();
+		it.add(iterator);
+		it.add(list.iterator());
+		try {
+			it.add(iterator);
+			fail();
+		} catch (IllegalArgumentException e) {
+			// expected
+		}
+	}
+
+}

org.springframework.core/src/test/java/org/springframework/util/SharedMapDecoratorTests.java

@@ -0,0 +1,62 @@
+package org.springframework.util;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import junit.framework.TestCase;
+
+/**
+ * Unit tests for {@link org.springframework.binding.collection.SharedMapDecorator}.
+ */
+public class SharedMapDecoratorTests extends TestCase {
+
+	private SharedMapDecorator map = new SharedMapDecorator(new HashMap());
+
+	public void testGetPutRemove() {
+		assertTrue(map.size() == 0);
+		assertTrue(map.isEmpty());
+		assertNull(map.get("foo"));
+		assertFalse(map.containsKey("foo"));
+		map.put("foo", "bar");
+		assertTrue(map.size() == 1);
+		assertFalse(map.isEmpty());
+		assertNotNull(map.get("foo"));
+		assertTrue(map.containsKey("foo"));
+		assertTrue(map.containsValue("bar"));
+		assertEquals("bar", map.get("foo"));
+		map.remove("foo");
+		assertTrue(map.size() == 0);
+		assertNull(map.get("foo"));
+	}
+
+	public void testPutAll() {
+		Map all = new HashMap();
+		all.put("foo", "bar");
+		all.put("bar", "baz");
+		map.putAll(all);
+		assertTrue(map.size() == 2);
+	}
+
+	public void testEntrySet() {
+		map.put("foo", "bar");
+		map.put("bar", "baz");
+		Set entrySet = map.entrySet();
+		assertTrue(entrySet.size() == 2);
+	}
+
+	public void testKeySet() {
+		map.put("foo", "bar");
+		map.put("bar", "baz");
+		Set keySet = map.keySet();
+		assertTrue(keySet.size() == 2);
+	}
+
+	public void testValues() {
+		map.put("foo", "bar");
+		map.put("bar", "baz");
+		Collection values = map.values();
+		assertTrue(values.size() == 2);
+	}
+}

org.springframework.core/src/test/java/org/springframework/util/StringKeyedMapAdapterTests.java

@@ -0,0 +1,82 @@
+package org.springframework.util;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+import junit.framework.TestCase;
+
+/**
+ * Unit tests for {@link org.springframework.binding.collection.StringKeyedMapAdapter}.
+ */
+public class StringKeyedMapAdapterTests extends TestCase {
+
+	private Map contents = new HashMap();
+
+	private StringKeyedMapAdapter map = new StringKeyedMapAdapter() {
+
+		protected Object getAttribute(String key) {
+			return contents.get(key);
+		}
+
+		protected Iterator getAttributeNames() {
+			return contents.keySet().iterator();
+		}
+
+		protected void removeAttribute(String key) {
+			contents.remove(key);
+		}
+
+		protected void setAttribute(String key, Object value) {
+			contents.put(key, value);
+		}
+	};
+
+	public void testGetPutRemove() {
+		assertTrue(map.size() == 0);
+		assertTrue(map.isEmpty());
+		assertNull(map.get("foo"));
+		assertFalse(map.containsKey("foo"));
+		map.put("foo", "bar");
+		assertTrue(map.size() == 1);
+		assertFalse(map.isEmpty());
+		assertNotNull(map.get("foo"));
+		assertTrue(map.containsKey("foo"));
+		assertTrue(map.containsValue("bar"));
+		assertEquals("bar", map.get("foo"));
+		map.remove("foo");
+		assertTrue(map.size() == 0);
+		assertNull(map.get("foo"));
+	}
+
+	public void testPutAll() {
+		Map all = new HashMap();
+		all.put("foo", "bar");
+		all.put("bar", "baz");
+		map.putAll(all);
+		assertTrue(map.size() == 2);
+	}
+
+	public void testEntrySet() {
+		map.put("foo", "bar");
+		map.put("bar", "baz");
+		Set entrySet = map.entrySet();
+		assertTrue(entrySet.size() == 2);
+	}
+
+	public void testKeySet() {
+		map.put("foo", "bar");
+		map.put("bar", "baz");
+		Set keySet = map.keySet();
+		assertTrue(keySet.size() == 2);
+	}
+
+	public void testValues() {
+		map.put("foo", "bar");
+		map.put("bar", "baz");
+		Collection values = map.values();
+		assertTrue(values.size() == 2);
+	}
+}