1 files changed, 33 insertions, 0 deletions
diff --git a/trie/iterator_test.go b/trie/iterator_test.go
new file mode 100644
index 000000000..74d9e903c
--- /dev/null
+++ b/trie/iterator_test.go
@@ -0,0 +1,33 @@
+package trie
+
+import "testing"
+
+func TestIterator(t *testing.T) {
+	trie := NewEmpty()
+	vals := []struct{ k, v string }{
+		{"do", "verb"},
+		{"ether", "wookiedoo"},
+		{"horse", "stallion"},
+		{"shaman", "horse"},
+		{"doge", "coin"},
+		{"dog", "puppy"},
+		{"somethingveryoddindeedthis is", "myothernodedata"},
+	}
+	v := make(map[string]bool)
+	for _, val := range vals {
+		v[val.k] = false
+		trie.UpdateString(val.k, val.v)
+	}
+	trie.Commit()
+
+	it := trie.Iterator()
+	for it.Next() {
+		v[string(it.Key)] = true
+	}
+
+	for k, found := range v {
+		if !found {
+			t.Error("iterator didn't find", k)
+		}
+	}
+}