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diff --git a/test/unit/expr/node_self_iterator_black.cpp b/test/unit/expr/node_self_iterator_black.cpp
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+++ b/test/unit/expr/node_self_iterator_black.cpp
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+/*********************                                                        */
+/*! \file node_self_iterator_black.cpp
+ ** \verbatim
+ ** Top contributors (to current version):
+ **   Aina Niemetz, Morgan Deters, Tim King
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
+ ** in the top-level source directory and their institutional affiliations.
+ ** All rights reserved.  See the file COPYING in the top-level source
+ ** directory for licensing information.\endverbatim
+ **
+ ** \brief Black box testing of CVC4::expr::NodeSelfIterator
+ **
+ ** Black box testing of CVC4::expr::NodeSelfIterator
+ **/
+
+#include "expr/node.h"
+#include "expr/node_builder.h"
+#include "expr/node_self_iterator.h"
+#include "test_node.h"
+
+namespace CVC4 {
+
+using namespace kind;
+using namespace expr;
+
+namespace test {
+
+class TestNodeBlackNodeSelfIterator : public TestNodeBlack
+{
+};
+
+TEST_F(TestNodeBlackNodeSelfIterator, iteration)
+{
+  Node x = d_nodeManager->mkSkolem("x", *d_boolTypeNode);
+  Node y = d_nodeManager->mkSkolem("y", *d_boolTypeNode);
+  Node x_and_y = x.andNode(y);
+  NodeSelfIterator i = x_and_y, j = NodeSelfIterator::self(x_and_y);
+  ASSERT_NE(i, x_and_y.end());
+  ASSERT_NE(j, x_and_y.end());
+  ASSERT_EQ(*i, x_and_y);
+  ASSERT_EQ(*j, x_and_y);
+  ASSERT_EQ(*i++, x_and_y);
+  ASSERT_EQ(*j++, x_and_y);
+  ASSERT_EQ(i, NodeSelfIterator::selfEnd(x_and_y));
+  ASSERT_EQ(j, NodeSelfIterator::selfEnd(x_and_y));
+  ASSERT_EQ(i, x_and_y.end());
+  ASSERT_EQ(j, x_and_y.end());
+
+  i = x_and_y.begin();
+  ASSERT_NE(i, x_and_y.end());
+  ASSERT_EQ(*i, x);
+  ASSERT_EQ(*++i, y);
+  ASSERT_EQ(++i, x_and_y.end());
+}
+}  // namespace test
+}  // namespace CVC4