--- /dev/null
+++ xnu/xnu-7195.141.2/tests/bounded_array_ref_src/begin_end.cpp
@@ -0,0 +1,47 @@
+//
+// Tests for
+//  iterator begin() const;
+//  iterator end() const;
+//
+
+#include <libkern/c++/bounded_array_ref.h>
+#include "test_policy.h"
+#include <darwintest.h>
+#include <type_traits>
+
+struct T { int i; };
+
+template <typename T>
+static void
+tests()
+{
+	using AR = test_bounded_array_ref<T>;
+
+	// Check begin()/end() for a non-null array ref
+	{
+		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
+		AR const view(array);
+		test_bounded_ptr<T> begin = view.begin();
+		test_bounded_ptr<T> end = view.end();
+		CHECK(begin.discard_bounds() == &array[0]);
+		CHECK(end.unsafe_discard_bounds() == &array[5]);
+	}
+
+	// Check begin()/end() for a null array ref
+	{
+		AR const view;
+		test_bounded_ptr<T> begin = view.begin();
+		test_bounded_ptr<T> end = view.end();
+		CHECK(begin.unsafe_discard_bounds() == nullptr);
+		CHECK(end.unsafe_discard_bounds() == nullptr);
+	}
+
+	// Check associated types
+	{
+		static_assert(std::is_same_v<typename AR::iterator, test_bounded_ptr<T> >);
+	}
+}
+
+T_DECL(begin_end, "bounded_array_ref.begin_end") {
+	tests<T>();
+}