diff --git a/testing/testing_utils.hpp b/testing/testing_utils.hpp
new file mode 100644
index 0000000000..32cd279f4e
--- /dev/null
+++ b/testing/testing_utils.hpp
@@ -0,0 +1,36 @@
+#pragma once
+#include "../std/vector.hpp"
+
+template <typename T> vector<T> Vec(T x0)
+{
+  vector<T> v;
+  v.push_back(x0);
+  return v;
+}
+
+template <typename T> vector<T> Vec(T x0, T x1)
+{
+  vector<T> v;
+  v.push_back(x0);
+  v.push_back(x1);
+  return v;
+}
+
+template <typename T> vector<T> Vec(T x0, T x1, T x2)
+{
+  vector<T> v;
+  v.push_back(x0);
+  v.push_back(x1);
+  v.push_back(x2);
+  return v;
+}
+
+template <typename T> vector<T> Vec(T x0, T x1, T x2, T x3)
+{
+  vector<T> v;
+  v.push_back(x0);
+  v.push_back(x1);
+  v.push_back(x2);
+  v.push_back(x3);
+  return v;
+}