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tests/bounded_array_ref_src/ctor.raw_ptr.cpp /dev/null xnu-10063.101.15
--- /dev/null
+++ xnu/xnu-10063.101.15/tests/bounded_array_ref_src/ctor.raw_ptr.cpp
@@ -0,0 +1,121 @@
+//
+// Tests for
+//  explicit bounded_array_ref(T* data, size_t n);
+//
+
+#include <libkern/c++/bounded_array_ref.h>
+#include "test_policy.h"
+#include <cstddef>
+#include <darwintest.h>
+#include <darwintest_utils.h>
+
+struct T { int i; };
+inline bool
+operator==(T const& a, T const& b)
+{
+	return a.i == b.i;
+};
+
+template <typename T>
+static void
+tests()
+{
+	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
+
+	// T{0}     T{1}     T{2}     T{3}     T{4}     <one-past-last>
+	//   ^
+	//   |
+	//  ptr
+	//
+	//   ^------------------- view -----------------------^
+	{
+		T* ptr = &array[0];
+		test_bounded_array_ref<T> view(ptr, 5);
+		CHECK(view.data() == &array[0]);
+		CHECK(view.size() == 5);
+		CHECK(view[0] == T{0});
+		CHECK(view[1] == T{1});
+		CHECK(view[2] == T{2});
+		CHECK(view[3] == T{3});
+		CHECK(view[4] == T{4});
+	}
+	// T{0}     T{1}     T{2}     T{3}     T{4}     <one-past-last>
+	//   ^
+	//   |
+	//  ptr
+	//
+	//   ^----- view -----^
+	{
+		T* ptr = &array[0];
+		test_bounded_array_ref<T> view(ptr, 3);
+		CHECK(view.data() == &array[0]);
+		CHECK(view.size() == 3);
+		CHECK(view[0] == T{0});
+		CHECK(view[1] == T{1});
+		CHECK(view[2] == T{2});
+	}
+	// T{0}     T{1}     T{2}     T{3}     T{4}     <one-past-last>
+	//                              ^
+	//                              |
+	//                             ptr
+	//
+	//                              ^------- view --------^
+	{
+		T* ptr = &array[3];
+		test_bounded_array_ref<T> view(ptr, 2);
+		CHECK(view.data() == &array[3]);
+		CHECK(view.size() == 2);
+		CHECK(view[0] == T{3});
+		CHECK(view[1] == T{4});
+	}
+	// Check with a valid pointer and a size of 0.
+	{
+		T* ptr = &array[0];
+		test_bounded_array_ref<T> view(ptr, static_cast<std::size_t>(0));
+		CHECK(view.size() == 0);
+	}
+	// Check with a null pointer and a size of 0.
+	{
+		T* ptr = nullptr;
+		test_bounded_array_ref<T> view(ptr, static_cast<std::size_t>(0));
+		CHECK(view.size() == 0);
+	}
+	// Check with a non-null but invalid pointer and a size of 0.
+	{
+		T* ptr = &array[5];
+		test_bounded_array_ref<T> view(ptr, static_cast<std::size_t>(0));
+		CHECK(view.size() == 0);
+	}
+	// Make sure there's no ambiguity between constructors.
+	{
+		T* ptr = &array[0];
+		std::ptrdiff_t size = 5;
+		test_bounded_array_ref<T> view(ptr, size);
+		CHECK(view.data() == &array[0]);
+		CHECK(view.size() == 5);
+	}
+
+	// Make sure we can create nested bounded_array_refs
+	{
+		int array1[] = {1, 2, 3, 4, 5};
+		int array2[] = {6, 7, 8};
+		int array3[] = {9, 10, 11, 12, 13, 14};
+		test_bounded_array_ref<int> views[] = {
+			test_bounded_array_ref<int>(array1, 5),
+			test_bounded_array_ref<int>(array2, 3),
+			test_bounded_array_ref<int>(array3, 6)
+		};
+
+		test_bounded_array_ref<test_bounded_array_ref<int> > two_dim(views, 3);
+		CHECK(two_dim.size() == 3);
+		CHECK(two_dim.data() == &views[0]);
+		CHECK(&two_dim[0] == &views[0]);
+		CHECK(&two_dim[1] == &views[1]);
+		CHECK(&two_dim[2] == &views[2]);
+	}
+}
+
+T_DECL(ctor_raw_ptr, "bounded_array_ref.ctor.raw_ptr") {
+	tests<T>();
+	tests<T const>();
+}