--- a/src/test/java/DefaultJungleTreeTest.java	Mon Dec 08 10:49:53 2014 +0900
+++ b/src/test/java/DefaultJungleTreeTest.java	Wed Dec 24 14:33:17 2014 +0900
@@ -14,53 +14,48 @@
 import junit.framework.Assert;
 import junit.framework.TestCase;
 
+public class DefaultJungleTreeTest extends TestCase {
+  public Jungle instance() {
+    Jungle j = new DefaultJungle(null, "hogehoge", new DefaultTreeEditor(new DefaultTraverser()));
+    return j;
+  }
 
-public class DefaultJungleTreeTest extends TestCase
-{
-	public Jungle instance()
-	{
-		Jungle j = new DefaultJungle(null,"hogehoge",new  DefaultTraverser());
-		return j;
-	}
-	
-	public static final String key = "KEY";
-	public static final ByteBuffer value = ByteBuffer.wrap(key.getBytes());
-	
-	public void testSampleTest()
-	{
-		Jungle j = instance();
-		j.createNewTree("tree");
-		JungleTree tree = j.getTreeByName("tree");
-		Assert.assertEquals(0,tree.revision());
-		JungleTreeEditor editor1 = tree.getTreeEditor();
-		JungleTreeEditor editor2 = tree.getTreeEditor();
-		
-		DefaultNodePath root = new DefaultNodePath();
-		
-		Either<Error,JungleTreeEditor> either = editor1.putAttribute(root,key,value);
-		if(either.isA()){
-			Assert.fail();
-		}
-		editor1 = either.b();
-		editor1.success();
-		
-		// check the value ;
-		TreeNode node = tree.getRootNode();
-		ByteBuffer v = node.getAttributes().get(key);
-		Assert.assertEquals(0,v.compareTo(value));
-	   Assert.assertEquals(1,tree.revision());
-		// editor2 must fail transction
-		either = editor2.putAttribute(root,key,value);
-		if(either.isA()){
-			Assert.fail();
-		}
-		editor2 = either.b();
-		Either<Error,JungleTreeEditor> r = editor2.success();
-		Assert.assertTrue(r.isA());
-	}
-	
-	public void testIsolation()
-	{
-		
-	}
+  public static final String key = "KEY";
+  public static final ByteBuffer value = ByteBuffer.wrap(key.getBytes());
+
+  public void testSampleTest() {
+    Jungle j = instance();
+    j.createNewTree("tree");
+    JungleTree tree = j.getTreeByName("tree");
+    Assert.assertEquals(0, tree.revision());
+    JungleTreeEditor editor1 = tree.getTreeEditor();
+    JungleTreeEditor editor2 = tree.getTreeEditor();
+
+    DefaultNodePath root = new DefaultNodePath();
+
+    Either<Error, JungleTreeEditor> either = editor1.putAttribute(root, key, value);
+    if (either.isA()) {
+      Assert.fail();
+    }
+    editor1 = either.b();
+    editor1.success();
+
+    // check the value ;
+    TreeNode node = tree.getRootNode();
+    ByteBuffer v = node.getAttributes().get(key);
+    Assert.assertEquals(0, v.compareTo(value));
+    Assert.assertEquals(1, tree.revision());
+    // editor2 must fail transction
+    either = editor2.putAttribute(root, key, value);
+    if (either.isA()) {
+      Assert.fail();
+    }
+    editor2 = either.b();
+    Either<Error, JungleTreeEditor> r = editor2.success();
+    Assert.assertTrue(r.isA());
+  }
+
+  public void testIsolation() {
+
+  }
 }