package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.nodeeditor;

import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.EditableNodeWrapper;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteChildAt;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.DefaultTreeNode;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
import junit.framework.Assert;
import junit.framework.TestCase;

public class DeleteChildAtTest extends TestCase
{
	public void testEdit()
	{
		DefaultTreeNode node = new DefaultTreeNode();
		Either<Error,DefaultTreeNode> either = node.getChildren().addNewChildAt(0);
		if(either.isA()){
			Assert.fail();
		}
		node = either.b();
		Assert.assertEquals(1,node.getChildren().size());
		
		DeleteChildAt op = new DeleteChildAt(0);
		EditableNodeWrapper<DefaultTreeNode> wrapper = new EditableNodeWrapper<DefaultTreeNode>(node);
		Either<Error,EditableNodeWrapper<DefaultTreeNode>> either2 = op.edit(wrapper);
		if(either2.isA()){
			Assert.fail();
		}
		node = either2.b().getWrap();
		
		Assert.assertEquals(0,node.getChildren().size());
	}
}