--- /dev/null
+++ xnu/xnu-10063.121.3/tests/bounded_array_ref_src/compare.equal.nullptr.cpp
@@ -0,0 +1,46 @@
+//
+// Tests for
+//  template <typename T, typename P>
+//  bool operator==(bounded_array_ref<T, P> const& x, std::nullptr_t);
+//
+//  template <typename T, typename P>
+//  bool operator!=(bounded_array_ref<T, P> const& x, std::nullptr_t);
+//
+//  template <typename T, typename P>
+//  bool operator==(std::nullptr_t, bounded_array_ref<T, P> const& x);
+//
+//  template <typename T, typename P>
+//  bool operator!=(std::nullptr_t, bounded_array_ref<T, P> const& x);
+//
+
+#include <libkern/c++/bounded_array_ref.h>
+#include "test_policy.h"
+#include <darwintest.h>
+#include <darwintest_utils.h>
+
+struct T { int i; };
+
+template <typename T>
+static void
+tests()
+{
+	{
+		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
+		test_bounded_array_ref<T> view(array);
+		CHECK(!(view == nullptr));
+		CHECK(!(nullptr == view));
+		CHECK(view != nullptr);
+		CHECK(nullptr != view);
+	}
+	{
+		test_bounded_array_ref<T> view;
+		CHECK(view == nullptr);
+		CHECK(nullptr == view);
+		CHECK(!(view != nullptr));
+		CHECK(!(nullptr != view));
+	}
+}
+
+T_DECL(compare_equal_nullptr, "bounded_array_ref.compare.equal.nullptr") {
+	tests<T>();
+}