From 03a3f51f2a8fd57f90b09a14001e91a4295b5278 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Tue, 19 Nov 2013 10:23:35 +0100
Subject: [PATCH] smartxml: Fixing Document.containsNode

---
 src/smartxml/smartxml.js      |  2 +-
 src/smartxml/smartxml.test.js | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index a357977..6e754de 100644
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -358,7 +358,7 @@ $.extend(Document.prototype, Backbone.Events, {
     },
 
     containsNode: function(node) {
-        return node._$.parents().index(this.root._$) !== -1;
+        return this.root && (node.nativeNode === this.root.nativeNode || node._$.parents().index(this.root._$) !== -1);
     },
 
     wrapNodes: function(params) {
diff --git a/src/smartxml/smartxml.test.js b/src/smartxml/smartxml.test.js
index db9777f..2666ae2 100644
--- a/src/smartxml/smartxml.test.js
+++ b/src/smartxml/smartxml.test.js
@@ -40,6 +40,17 @@ describe('smartxml', function() {
             doc.loadXML('<header></header>');
             expect(doc.root.getTagName()).to.equal('header');
         });
+
+        it('knows if it contains an ElementNode in its tree', function() {
+            var doc = getDocumentFromXML('<root><a></a>text</root>'),
+                root = doc.root,
+                a = root.contents()[0],
+                text = root.contents()[1];
+
+            expect(doc.containsNode(root)).to.equal(true, 'contains its root');
+            expect(doc.containsNode(a)).to.equal(true, 'contains Element Node');
+            expect(doc.containsNode(text)).to.equal(true, 'contains Text Node');
+        });
     });
 
     describe('Basic ElementNode properties', function() {
-- 
2.20.1