/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Anton Avtamonov
*/
package javax.swing;
import java.io.Serializable;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import javax.swing.JTree.DynamicUtilTreeNode;
import javax.swing.tree.DefaultMutableTreeNode;
public class JTree_DynamicUtilTreeNodeTest extends BasicSwingTestCase {
private JTree.DynamicUtilTreeNode node;
public JTree_DynamicUtilTreeNodeTest(final String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
node = new DynamicUtilTreeNode("value", null);
}
@Override
protected void tearDown() throws Exception {
node = null;
}
public void testDynamicUtilTreeNode() throws Exception {
assertNull(node.childValue);
assertFalse(node.hasChildren);
assertTrue(node.loadedChildren);
assertEquals("value", node.getUserObject());
assertFalse(node.getAllowsChildren());
assertTrue(node.isLeaf());
assertEquals(0, node.getChildCount());
node = new DynamicUtilTreeNode("value", "children value");
assertEquals(node.childValue, "children value");
assertTrue(node.loadedChildren);
node = new DynamicUtilTreeNode("value", new Object[] { "1" });
assertFalse(node.loadedChildren);
node = new DynamicUtilTreeNode("value", new Object[] {});
assertFalse(node.loadedChildren);
}
public void testCreateChildren() throws Exception {
DynamicUtilTreeNode.createChildren(null, "any");
DefaultMutableTreeNode root = new DefaultMutableTreeNode();
DynamicUtilTreeNode.createChildren(root, "any");
assertEquals(0, root.getChildCount());
assertTrue(root.isLeaf());
int[] privitiveArrayChildren = new int[] { 1, 2, 3 };
DynamicUtilTreeNode.createChildren(root, privitiveArrayChildren);
assertEquals(0, root.getChildCount());
assertTrue(root.isLeaf());
assertTrue(root.getAllowsChildren());
Object[] objectArrayChildren = new Object[] { "a", "b", "c" };
DynamicUtilTreeNode.createChildren(root, objectArrayChildren);
assertEquals(3, root.getChildCount());
assertTrue(root.getChildAt(0) instanceof JTree.DynamicUtilTreeNode);
assertFalse(root.isLeaf());
assertEquals("a", ((DefaultMutableTreeNode) root.getChildAt(0)).getUserObject());
Vector<String> vectorChildren = new Vector<String>();
vectorChildren.add("1");
vectorChildren.add("2");
DynamicUtilTreeNode.createChildren(root, vectorChildren);
assertEquals(5, root.getChildCount());
assertTrue(root.getChildAt(4) instanceof JTree.DynamicUtilTreeNode);
assertTrue(root.getChildAt(4).isLeaf());
assertFalse(root.getChildAt(4).getAllowsChildren());
assertEquals("1", ((DefaultMutableTreeNode) root.getChildAt(3)).getUserObject());
Hashtable<String, String> hashChildren = new Hashtable<String, String>();
hashChildren.put("key1", "value1");
hashChildren.put("key2", "value2");
DynamicUtilTreeNode.createChildren(root, hashChildren);
assertEquals(7, root.getChildCount());
assertTrue(root.getChildAt(5) instanceof JTree.DynamicUtilTreeNode);
assertEquals(hashChildren.keys().nextElement(), ((DefaultMutableTreeNode) root
.getChildAt(5)).getUserObject());
assertEquals(0, root.getChildAt(5).getChildCount());
root = new DefaultMutableTreeNode();
Hashtable<String, String> subSubChildren = new Hashtable<String, String>();
subSubChildren.put("221", "any");
subSubChildren.put("222", "any");
Vector<Serializable> subChildren = new Vector<Serializable>();
subChildren.add("21");
subChildren.add(subSubChildren);
subChildren.add("23");
Object[] complexChildren = new Object[] { "1", subChildren, "3" };
DynamicUtilTreeNode.createChildren(root, complexChildren);
assertEquals(3, root.getChildCount());
DynamicUtilTreeNode child1 = (DynamicUtilTreeNode) root.getChildAt(0);
assertFalse(child1.getAllowsChildren());
assertEquals(0, child1.getChildCount());
assertEquals("1", child1.getUserObject());
assertEquals("1", child1.childValue);
assertTrue(child1.loadedChildren);
DynamicUtilTreeNode child2 = (DynamicUtilTreeNode) root.getChildAt(1);
assertTrue(child2.getAllowsChildren());
assertEquals(3, child2.getChildCount());
assertEquals(subChildren, child2.getUserObject());
assertSame(subChildren, child2.childValue);
assertTrue(child2.loadedChildren);
assertEquals(0, root.getChildAt(2).getChildCount());
assertEquals("3", ((DefaultMutableTreeNode) root.getChildAt(2)).getUserObject());
assertEquals(3, child2.getChildCount());
assertEquals(0, child2.getChildAt(0).getChildCount());
assertEquals(2, child2.getChildAt(1).getChildCount());
assertEquals(0, child2.getChildAt(2).getChildCount());
}
public void testIsLeaf() throws Exception {
DynamicUtilTreeNode node = new DynamicUtilTreeNode("value", null);
assertFalse(node.getAllowsChildren());
assertTrue(node.isLeaf());
node.setAllowsChildren(true);
assertFalse(node.isLeaf());
}
public void testGetChildCount() throws Exception {
DynamicUtilTreeNode node = new DynamicUtilTreeNode("value", new Object[] { "1", "2" });
assertFalse(node.loadedChildren);
assertEquals(2, node.getChildCount());
assertTrue(node.loadedChildren);
}
public void testGetChildAt() throws Exception {
DynamicUtilTreeNode node = new DynamicUtilTreeNode("value", new Object[] { "1", "2" });
assertFalse(node.loadedChildren);
assertEquals("1", ((DynamicUtilTreeNode) node.getChildAt(0)).getUserObject());
assertTrue(node.loadedChildren);
}
public void testClone() {
Object obj = new Object();
DynamicUtilTreeNode t = new DynamicUtilTreeNode(obj, obj);
Object cl = t.clone();
assertEquals(t.getClass(), cl.getClass());
}
public void testChildren() throws Exception {
DynamicUtilTreeNode node = new DynamicUtilTreeNode("value", new Object[] { "1", "2" });
assertFalse(node.loadedChildren);
Enumeration<?> children = node.children();
assertTrue(node.loadedChildren);
assertEquals("1", ((DefaultMutableTreeNode) children.nextElement()).getUserObject());
assertEquals("2", ((DefaultMutableTreeNode) children.nextElement()).getUserObject());
}
public void testLoadChildren() throws Exception {
Object[] children = new Object[] { "1", "2" };
DynamicUtilTreeNode node = new DynamicUtilTreeNode("value", children);
assertFalse(node.loadedChildren);
assertEquals(children, node.childValue);
assertEquals("value", node.getUserObject());
node.loadChildren();
assertTrue(node.loadedChildren);
assertEquals(2, node.getChildCount());
node.childValue = "any";
node.loadChildren();
assertEquals(2, node.getChildCount());
assertEquals("value", node.getUserObject());
node.childValue = new Object[] { "3", "4", "5" };
node.loadChildren();
assertTrue(node.loadedChildren);
assertEquals(5, node.getChildCount());
assertEquals("5", ((DefaultMutableTreeNode) node.getChildAt(4)).getUserObject());
node.childValue = new Object[] { "6" };
assertEquals(5, node.getChildCount());
node.loadedChildren = false;
assertEquals(6, node.getChildCount());
}
}