--- /dev/null
+//
+// Tests for
+// intrusive_shared_ptr();
+//
+
+#include <libkern/c++/intrusive_shared_ptr.h>
+#include <darwintest.h>
+#include <darwintest_utils.h>
+#include "test_policy.h"
+
+struct T { int i; };
+
+template <typename T>
+static void
+tests()
+{
+ {
+ libkern::intrusive_shared_ptr<T, test_policy> ptr;
+ CHECK(ptr.get() == nullptr);
+ }
+ {
+ libkern::intrusive_shared_ptr<T, test_policy> ptr{};
+ CHECK(ptr.get() == nullptr);
+ }
+ {
+ libkern::intrusive_shared_ptr<T, test_policy> ptr = libkern::intrusive_shared_ptr<T, test_policy>();
+ CHECK(ptr.get() == nullptr);
+ }
+ {
+ libkern::intrusive_shared_ptr<T, test_policy> ptr = {};
+ CHECK(ptr.get() == nullptr);
+ }
+}
+
+T_DECL(ctor_default, "intrusive_shared_ptr.ctor.default") {
+ tests<T>();
+}