xref: /xnu-8020.101.4/tests/intrusive_shared_ptr_src/detach.cpp (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions //
2*e7776783SApple OSS Distributions // Tests for
3*e7776783SApple OSS Distributions //  pointer detach() noexcept;
4*e7776783SApple OSS Distributions //
5*e7776783SApple OSS Distributions 
6*e7776783SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h>
7*e7776783SApple OSS Distributions #include <darwintest.h>
8*e7776783SApple OSS Distributions #include "test_policy.h"
9*e7776783SApple OSS Distributions 
10*e7776783SApple OSS Distributions struct T {
11*e7776783SApple OSS Distributions 	int i;
12*e7776783SApple OSS Distributions };
13*e7776783SApple OSS Distributions 
14*e7776783SApple OSS Distributions template <typename T>
15*e7776783SApple OSS Distributions static void
tests()16*e7776783SApple OSS Distributions tests()
17*e7776783SApple OSS Distributions {
18*e7776783SApple OSS Distributions 	T obj{3};
19*e7776783SApple OSS Distributions 
20*e7776783SApple OSS Distributions 	tracking_policy::reset();
21*e7776783SApple OSS Distributions 	tracked_shared_ptr<T> ptr(&obj, libkern::retain);
22*e7776783SApple OSS Distributions 	T* raw = ptr.detach();
23*e7776783SApple OSS Distributions 	CHECK(raw == &obj);
24*e7776783SApple OSS Distributions 	CHECK(ptr.get() == nullptr); // ptr was set to null
25*e7776783SApple OSS Distributions 	CHECK(tracking_policy::retains == 1);
26*e7776783SApple OSS Distributions 	CHECK(tracking_policy::releases == 0);
27*e7776783SApple OSS Distributions }
28*e7776783SApple OSS Distributions 
29*e7776783SApple OSS Distributions T_DECL(detach, "intrusive_shared_ptr.detach") {
30*e7776783SApple OSS Distributions 	tests<T>();
31*e7776783SApple OSS Distributions 	tests<T const>();
32*e7776783SApple OSS Distributions }
33