xref: /xnu-10063.101.15/tests/intrusive_shared_ptr_src/detach.cpp (revision 94d3b452840153a99b38a3a9659680b2a006908e)
1*94d3b452SApple OSS Distributions //
2*94d3b452SApple OSS Distributions // Tests for
3*94d3b452SApple OSS Distributions //  pointer detach() noexcept;
4*94d3b452SApple OSS Distributions //
5*94d3b452SApple OSS Distributions 
6*94d3b452SApple OSS Distributions #include <libkern/c++/intrusive_shared_ptr.h>
7*94d3b452SApple OSS Distributions #include <darwintest.h>
8*94d3b452SApple OSS Distributions #include "test_policy.h"
9*94d3b452SApple OSS Distributions 
10*94d3b452SApple OSS Distributions struct T {
11*94d3b452SApple OSS Distributions 	int i;
12*94d3b452SApple OSS Distributions };
13*94d3b452SApple OSS Distributions 
14*94d3b452SApple OSS Distributions template <typename T>
15*94d3b452SApple OSS Distributions static void
tests()16*94d3b452SApple OSS Distributions tests()
17*94d3b452SApple OSS Distributions {
18*94d3b452SApple OSS Distributions 	T obj{3};
19*94d3b452SApple OSS Distributions 
20*94d3b452SApple OSS Distributions 	tracking_policy::reset();
21*94d3b452SApple OSS Distributions 	tracked_shared_ptr<T> ptr(&obj, libkern::retain);
22*94d3b452SApple OSS Distributions 	T* raw = ptr.detach();
23*94d3b452SApple OSS Distributions 	CHECK(raw == &obj);
24*94d3b452SApple OSS Distributions 	CHECK(ptr.get() == nullptr); // ptr was set to null
25*94d3b452SApple OSS Distributions 	CHECK(tracking_policy::retains == 1);
26*94d3b452SApple OSS Distributions 	CHECK(tracking_policy::releases == 0);
27*94d3b452SApple OSS Distributions }
28*94d3b452SApple OSS Distributions 
29*94d3b452SApple OSS Distributions T_DECL(detach, "intrusive_shared_ptr.detach") {
30*94d3b452SApple OSS Distributions 	tests<T>();
31*94d3b452SApple OSS Distributions 	tests<T const>();
32*94d3b452SApple OSS Distributions }
33