xref: /xnu-8019.80.24/tests/bounded_array_ref_src/data.cpp (revision a325d9c4a84054e40bbe985afedcb50ab80993ea)
1*a325d9c4SApple OSS Distributions //
2*a325d9c4SApple OSS Distributions // Tests for
3*a325d9c4SApple OSS Distributions //  T* data() const;
4*a325d9c4SApple OSS Distributions //
5*a325d9c4SApple OSS Distributions 
6*a325d9c4SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*a325d9c4SApple OSS Distributions #include "test_policy.h"
8*a325d9c4SApple OSS Distributions #include <cstddef>
9*a325d9c4SApple OSS Distributions #include <darwintest.h>
10*a325d9c4SApple OSS Distributions #include <darwintest_utils.h>
11*a325d9c4SApple OSS Distributions 
12*a325d9c4SApple OSS Distributions struct T { int i; };
13*a325d9c4SApple OSS Distributions 
14*a325d9c4SApple OSS Distributions template <typename T>
15*a325d9c4SApple OSS Distributions static void
tests()16*a325d9c4SApple OSS Distributions tests()
17*a325d9c4SApple OSS Distributions {
18*a325d9c4SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*a325d9c4SApple OSS Distributions 
20*a325d9c4SApple OSS Distributions 	{
21*a325d9c4SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*a325d9c4SApple OSS Distributions 		T* data = view.data();
23*a325d9c4SApple OSS Distributions 		CHECK(data == &array[0]);
24*a325d9c4SApple OSS Distributions 	}
25*a325d9c4SApple OSS Distributions 	{
26*a325d9c4SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*a325d9c4SApple OSS Distributions 		T* data = view.data();
28*a325d9c4SApple OSS Distributions 		CHECK(data == &array[0]);
29*a325d9c4SApple OSS Distributions 	}
30*a325d9c4SApple OSS Distributions 
31*a325d9c4SApple OSS Distributions 	{
32*a325d9c4SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[1], 2);
33*a325d9c4SApple OSS Distributions 		T* data = view.data();
34*a325d9c4SApple OSS Distributions 		CHECK(data == &array[1]);
35*a325d9c4SApple OSS Distributions 	}
36*a325d9c4SApple OSS Distributions 	{
37*a325d9c4SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[2], 2);
38*a325d9c4SApple OSS Distributions 		T* data = view.data();
39*a325d9c4SApple OSS Distributions 		CHECK(data == &array[2]);
40*a325d9c4SApple OSS Distributions 	}
41*a325d9c4SApple OSS Distributions }
42*a325d9c4SApple OSS Distributions 
43*a325d9c4SApple OSS Distributions T_DECL(data, "bounded_array_ref.data") {
44*a325d9c4SApple OSS Distributions 	tests<T>();
45*a325d9c4SApple OSS Distributions 	tests<T const>();
46*a325d9c4SApple OSS Distributions }
47