--- xnu/xnu-12377.101.15/tests/bounded_ptr_src/arith.subtract.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-//
-// Tests for
-//  friend bounded_ptr operator-(bounded_ptr p, std::ptrdiff_t n);
-//
-
-#include <libkern/c++/bounded_ptr.h>
-#include "test_utils.h"
-#include <array>
-#include <cstddef>
-#include <darwintest.h>
-#include <darwintest_utils.h>
-
-#define _assert(...) T_ASSERT_TRUE((__VA_ARGS__), # __VA_ARGS__)
-
-struct T {
-	int i;
-};
-
-template <typename T, typename QualT>
-static void
-tests()
-{
-	std::array<T, 5> array = {T{0}, T{1}, T{2}, T{3}, T{4}};
-
-	// Subtract positive offsets
-	// T{0}     T{1}     T{2}     T{3}     T{4}     <one-past-last>
-	//   ^                                                ^
-	//   |                                                |
-	// begin                                           end,ptr
-	{
-		test_bounded_ptr<QualT> const ptr(array.end(), array.begin(), array.end());
-
-		{
-			test_bounded_ptr<QualT> res = ptr - static_cast<std::ptrdiff_t>(0);
-			_assert(ptr == array.end());
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - 1;
-			_assert(&*res == &array[4]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - 2;
-			_assert(&*res == &array[3]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - 3;
-			_assert(&*res == &array[2]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - 4;
-			_assert(&*res == &array[1]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - 5;
-			_assert(&*res == &array[0]);
-		}
-	}
-
-	// Subtract negative offsets
-	// T{0}     T{1}     T{2}     T{3}     T{4}     <one-past-last>
-	//   ^                                                ^
-	//   |                                                |
-	// begin,ptr                                         end
-	{
-		test_bounded_ptr<QualT> const ptr(array.begin(), array.begin(), array.end());
-
-		{
-			test_bounded_ptr<QualT> res = ptr - static_cast<std::ptrdiff_t>(0);
-			_assert(&*res == &array[0]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - -1;
-			_assert(&*res == &array[1]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - -2;
-			_assert(&*res == &array[2]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - -3;
-			_assert(&*res == &array[3]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - -4;
-			_assert(&*res == &array[4]);
-		}
-		{
-			test_bounded_ptr<QualT> res = ptr - -5;
-			_assert(res == array.end());
-		}
-	}
-
-	// Make sure the original pointer isn't modified
-	{
-		test_bounded_ptr<QualT> const ptr(array.begin() + 4, array.begin(), array.end());
-		(void)(ptr - 2);
-		_assert(&*ptr == &array[4]);
-	}
-}
-
-T_DECL(arith_subtract, "bounded_ptr.arith.subtract", T_META_TAG_VM_PREFERRED) {
-	tests<T, T>();
-	tests<T, T const>();
-	tests<T, T volatile>();
-	tests<T, T const volatile>();
-}