--- xnu/xnu-12377.101.15/tests/intrusive_shared_ptr_src/swap.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-//
-// Tests for
-//  void swap(intrusive_shared_ptr& a, intrusive_shared_ptr& b);
-//
-
-#include <libkern/c++/intrusive_shared_ptr.h>
-#include <darwintest.h>
-#include "test_policy.h"
-
-struct T { int i; };
-
-template <typename T>
-static void
-tests()
-{
-	T obj1{1};
-	T obj2{2};
-
-	// Swap non-null with non-null
-	{
-		tracked_shared_ptr<T> a(&obj1, libkern::retain);
-		tracked_shared_ptr<T> b(&obj2, libkern::retain);
-		T* a_raw = a.get();
-		T* b_raw = b.get();
-		tracking_policy::reset();
-
-		swap(a, b); // ADL call
-
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(a.get() == b_raw);
-		CHECK(b.get() == a_raw);
-	}
-
-	// Swap non-null with null
-	{
-		tracked_shared_ptr<T> a(&obj1, libkern::retain);
-		tracked_shared_ptr<T> b = nullptr;
-		T* a_raw = a.get();
-		tracking_policy::reset();
-
-		swap(a, b); // ADL call
-
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(a.get() == nullptr);
-		CHECK(b.get() == a_raw);
-	}
-
-	// Swap null with non-null
-	{
-		tracked_shared_ptr<T> a = nullptr;
-		tracked_shared_ptr<T> b(&obj2, libkern::retain);
-		T* b_raw = b.get();
-		tracking_policy::reset();
-
-		swap(a, b); // ADL call
-
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(a.get() == b_raw);
-		CHECK(b.get() == nullptr);
-	}
-
-	// Swap null with null
-	{
-		tracked_shared_ptr<T> a = nullptr;
-		tracked_shared_ptr<T> b = nullptr;
-		tracking_policy::reset();
-
-		swap(a, b); // ADL call
-
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(a.get() == nullptr);
-		CHECK(b.get() == nullptr);
-	}
-
-	// Swap with self
-	{
-		tracked_shared_ptr<T> a(&obj1, libkern::retain);
-		T* a_raw = a.get();
-		tracking_policy::reset();
-
-		swap(a, a); // ADL call
-
-		CHECK(tracking_policy::retains == 0);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(a.get() == a_raw);
-	}
-}
-
-T_DECL(swap, "intrusive_shared_ptr.swap", T_META_TAG_VM_PREFERRED) {
-	tests<T>();
-	tests<T const>();
-}