xref: /xnu-11417.121.6/tests/safe_allocation_src/ctor.adopt.cpp (revision a1e26a70f38d1d7daa7b49b258e2f8538ad81650)
1*a1e26a70SApple OSS Distributions //
2*a1e26a70SApple OSS Distributions // Tests for
3*a1e26a70SApple OSS Distributions //  explicit safe_allocation(T* data, size_t n, adopt_memory_t);
4*a1e26a70SApple OSS Distributions //
5*a1e26a70SApple OSS Distributions 
6*a1e26a70SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*a1e26a70SApple OSS Distributions #include <darwintest.h>
8*a1e26a70SApple OSS Distributions #include "test_utils.h"
9*a1e26a70SApple OSS Distributions 
10*a1e26a70SApple OSS Distributions struct T {
11*a1e26a70SApple OSS Distributions 	int i;
12*a1e26a70SApple OSS Distributions };
13*a1e26a70SApple OSS Distributions 
14*a1e26a70SApple OSS Distributions template <typename T>
15*a1e26a70SApple OSS Distributions static void
tests()16*a1e26a70SApple OSS Distributions tests()
17*a1e26a70SApple OSS Distributions {
18*a1e26a70SApple OSS Distributions 	{
19*a1e26a70SApple OSS Distributions 		T* memory = reinterpret_cast<T*>(tracking_allocator::allocate(10 * sizeof(T)));
20*a1e26a70SApple OSS Distributions 		tracking_allocator::reset();
21*a1e26a70SApple OSS Distributions 		{
22*a1e26a70SApple OSS Distributions 			tracked_safe_allocation<T> array(memory, 10, libkern::adopt_memory);
23*a1e26a70SApple OSS Distributions 			CHECK(!tracking_allocator::did_allocate);
24*a1e26a70SApple OSS Distributions 			CHECK(array.data() == memory);
25*a1e26a70SApple OSS Distributions 			CHECK(array.size() == 10);
26*a1e26a70SApple OSS Distributions 			CHECK(array.begin() == array.data());
27*a1e26a70SApple OSS Distributions 			CHECK(array.end() == array.data() + 10);
28*a1e26a70SApple OSS Distributions 		}
29*a1e26a70SApple OSS Distributions 		CHECK(tracking_allocator::deallocated_size == 10 * sizeof(T));
30*a1e26a70SApple OSS Distributions 	}
31*a1e26a70SApple OSS Distributions }
32*a1e26a70SApple OSS Distributions 
33*a1e26a70SApple OSS Distributions T_DECL(ctor_adopt, "safe_allocation.ctor.adopt", T_META_TAG_VM_PREFERRED) {
34*a1e26a70SApple OSS Distributions 	tests<T>();
35*a1e26a70SApple OSS Distributions 	tests<T const>();
36*a1e26a70SApple OSS Distributions }
37