xref: /xnu-12377.81.4/tests/bounded_array_ref_src/data.cpp (revision 043036a2b3718f7f0be807e2870f8f47d3fa0796)
1*043036a2SApple OSS Distributions //
2*043036a2SApple OSS Distributions // Tests for
3*043036a2SApple OSS Distributions //  T* data() const;
4*043036a2SApple OSS Distributions //
5*043036a2SApple OSS Distributions 
6*043036a2SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*043036a2SApple OSS Distributions #include "test_policy.h"
8*043036a2SApple OSS Distributions #include <cstddef>
9*043036a2SApple OSS Distributions #include <darwintest.h>
10*043036a2SApple OSS Distributions #include <darwintest_utils.h>
11*043036a2SApple OSS Distributions 
12*043036a2SApple OSS Distributions struct T { int i; };
13*043036a2SApple OSS Distributions 
14*043036a2SApple OSS Distributions template <typename T>
15*043036a2SApple OSS Distributions static void
tests()16*043036a2SApple OSS Distributions tests()
17*043036a2SApple OSS Distributions {
18*043036a2SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*043036a2SApple OSS Distributions 
20*043036a2SApple OSS Distributions 	{
21*043036a2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*043036a2SApple OSS Distributions 		T* data = view.data();
23*043036a2SApple OSS Distributions 		CHECK(data == &array[0]);
24*043036a2SApple OSS Distributions 	}
25*043036a2SApple OSS Distributions 	{
26*043036a2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*043036a2SApple OSS Distributions 		T* data = view.data();
28*043036a2SApple OSS Distributions 		CHECK(data == &array[0]);
29*043036a2SApple OSS Distributions 	}
30*043036a2SApple OSS Distributions 
31*043036a2SApple OSS Distributions 	{
32*043036a2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[1], 2);
33*043036a2SApple OSS Distributions 		T* data = view.data();
34*043036a2SApple OSS Distributions 		CHECK(data == &array[1]);
35*043036a2SApple OSS Distributions 	}
36*043036a2SApple OSS Distributions 	{
37*043036a2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[2], 2);
38*043036a2SApple OSS Distributions 		T* data = view.data();
39*043036a2SApple OSS Distributions 		CHECK(data == &array[2]);
40*043036a2SApple OSS Distributions 	}
41*043036a2SApple OSS Distributions }
42*043036a2SApple OSS Distributions 
43*043036a2SApple OSS Distributions T_DECL(data, "bounded_array_ref.data", T_META_TAG_VM_PREFERRED) {
44*043036a2SApple OSS Distributions 	tests<T>();
45*043036a2SApple OSS Distributions 	tests<T const>();
46*043036a2SApple OSS Distributions }
47