Add unit tests

2 files changed, 13 insertions, 0 deletions

diff --git a/spec/spec/doc.js b/spec/spec/doc.js
index bec6fb4..1b47717 100644
--- a/spec/spec/doc.js
+++ b/spec/spec/doc.js
@@ -63,4 +63,12 @@ describe('Doc', function() {
     })
   })
 
+  describe('parent()', function () {
+    it('returns null if nodeName is document-fragment', function() {
+      var fragment = document.createDocumentFragment();
+      var svgFrag = new SVG(fragment);
+      expect(svgFrag.parent()).toBe(null);
+    })
+  })
+
 })
diff --git a/spec/spec/element.js b/spec/spec/element.js
index 8f82e3c..a5b3ba1 100644
--- a/spec/spec/element.js
+++ b/spec/spec/element.js
@@ -635,6 +635,11 @@ describe('Element', function() {
       var g = new SVG.G()
       expect(new SVG.Rect().addTo(g).parent()).toBe(g)
     })
+    it('returns null if nodeName is document-fragment', function() {
+      var fragment = document.createDocumentFragment();
+      var svgFrag = new SVG(fragment);
+      expect(svgFrag.parent()).toBe(null);
+    })
   })
 
   describe('parents()', function() {