diff --git a/array_test.go b/array_test.go
index baddf77..9472c9e 100644
--- a/array_test.go
+++ b/array_test.go
@@ -16,4 +16,6 @@ func TestArray(t *testing.T) {
 	val := []interface{}{1, 2, 3}
 	fmt.Println(Array(val).IsValid())
 	fmt.Println(Array(val).ItemIsInterface())
+	valInt := []int{1, 2, 3, 1, 4, 5, 6, 7, 7, 6, 9}
+	fmt.Println(Array(valInt).Unique())
 }