xref: /xnu-8792.41.9/tests/bounded_array_ref_src/data.cpp (revision 5c2921b07a2480ab43ec66f5b9e41cb872bc554f)
1*5c2921b0SApple OSS Distributions //
2*5c2921b0SApple OSS Distributions // Tests for
3*5c2921b0SApple OSS Distributions //  T* data() const;
4*5c2921b0SApple OSS Distributions //
5*5c2921b0SApple OSS Distributions 
6*5c2921b0SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*5c2921b0SApple OSS Distributions #include "test_policy.h"
8*5c2921b0SApple OSS Distributions #include <cstddef>
9*5c2921b0SApple OSS Distributions #include <darwintest.h>
10*5c2921b0SApple OSS Distributions #include <darwintest_utils.h>
11*5c2921b0SApple OSS Distributions 
12*5c2921b0SApple OSS Distributions struct T { int i; };
13*5c2921b0SApple OSS Distributions 
14*5c2921b0SApple OSS Distributions template <typename T>
15*5c2921b0SApple OSS Distributions static void
tests()16*5c2921b0SApple OSS Distributions tests()
17*5c2921b0SApple OSS Distributions {
18*5c2921b0SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*5c2921b0SApple OSS Distributions 
20*5c2921b0SApple OSS Distributions 	{
21*5c2921b0SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*5c2921b0SApple OSS Distributions 		T* data = view.data();
23*5c2921b0SApple OSS Distributions 		CHECK(data == &array[0]);
24*5c2921b0SApple OSS Distributions 	}
25*5c2921b0SApple OSS Distributions 	{
26*5c2921b0SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*5c2921b0SApple OSS Distributions 		T* data = view.data();
28*5c2921b0SApple OSS Distributions 		CHECK(data == &array[0]);
29*5c2921b0SApple OSS Distributions 	}
30*5c2921b0SApple OSS Distributions 
31*5c2921b0SApple OSS Distributions 	{
32*5c2921b0SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[1], 2);
33*5c2921b0SApple OSS Distributions 		T* data = view.data();
34*5c2921b0SApple OSS Distributions 		CHECK(data == &array[1]);
35*5c2921b0SApple OSS Distributions 	}
36*5c2921b0SApple OSS Distributions 	{
37*5c2921b0SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[2], 2);
38*5c2921b0SApple OSS Distributions 		T* data = view.data();
39*5c2921b0SApple OSS Distributions 		CHECK(data == &array[2]);
40*5c2921b0SApple OSS Distributions 	}
41*5c2921b0SApple OSS Distributions }
42*5c2921b0SApple OSS Distributions 
43*5c2921b0SApple OSS Distributions T_DECL(data, "bounded_array_ref.data") {
44*5c2921b0SApple OSS Distributions 	tests<T>();
45*5c2921b0SApple OSS Distributions 	tests<T const>();
46*5c2921b0SApple OSS Distributions }
47