From 1ddc94c2e58a1ce8b9ba329c0b8f450421c40651 Mon Sep 17 00:00:00 2001
From: panamafrancis <anonwasere@gmail.com>
Date: Thu, 18 Dec 2014 11:39:32 +0000
Subject: [PATCH] Fixed crash in iterator Clone(), added test

---
 graph/gaedatastore/iterator.go       |  5 ++++-
 graph/gaedatastore/quadstore_test.go | 10 ++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/graph/gaedatastore/iterator.go b/graph/gaedatastore/iterator.go
index 1586be8..29900fd 100644
--- a/graph/gaedatastore/iterator.go
+++ b/graph/gaedatastore/iterator.go
@@ -190,7 +190,10 @@ func (it *Iterator) Clone() graph.Iterator {
 		m.tags.CopyFrom(it)
 		return m
 	}
-	m := NewIterator(it.qs, it.kind, it.dir, it.hash)
+
+	// Create a token, the tokens kind is ignored in creation of the iterator
+	t := &Token{nodeKind, it.hash}
+	m := NewIterator(it.qs, it.kind, it.dir, t)
 	m.tags.CopyFrom(it)
 	return m
 }
diff --git a/graph/gaedatastore/quadstore_test.go b/graph/gaedatastore/quadstore_test.go
index b32f6a2..ae3d6be 100644
--- a/graph/gaedatastore/quadstore_test.go
+++ b/graph/gaedatastore/quadstore_test.go
@@ -254,6 +254,16 @@ func TestIterators(t *testing.T) {
 	if !it.Contains(token) {
 		t.Error("Contains failed")
 	}
+
+	// Test cloning an iterator
+	var it2 graph.Iterator
+	it2 = it.Clone()
+	x := it2.Describe()
+	y := it.Describe()
+
+	if x.Name != y.Name {
+		t.Errorf("Iterator Clone was not successful got: %v, expected: %v", x.Name, y.Name)
+	}
 }
 
 func TestIteratorsAndNextResultOrderA(t *testing.T) {