xref: /xnu-11215.81.4/tests/bounded_array_ref_src/data.cpp (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions //
2*d4514f0bSApple OSS Distributions // Tests for
3*d4514f0bSApple OSS Distributions //  T* data() const;
4*d4514f0bSApple OSS Distributions //
5*d4514f0bSApple OSS Distributions 
6*d4514f0bSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*d4514f0bSApple OSS Distributions #include "test_policy.h"
8*d4514f0bSApple OSS Distributions #include <cstddef>
9*d4514f0bSApple OSS Distributions #include <darwintest.h>
10*d4514f0bSApple OSS Distributions #include <darwintest_utils.h>
11*d4514f0bSApple OSS Distributions 
12*d4514f0bSApple OSS Distributions struct T { int i; };
13*d4514f0bSApple OSS Distributions 
14*d4514f0bSApple OSS Distributions template <typename T>
15*d4514f0bSApple OSS Distributions static void
tests()16*d4514f0bSApple OSS Distributions tests()
17*d4514f0bSApple OSS Distributions {
18*d4514f0bSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*d4514f0bSApple OSS Distributions 
20*d4514f0bSApple OSS Distributions 	{
21*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*d4514f0bSApple OSS Distributions 		T* data = view.data();
23*d4514f0bSApple OSS Distributions 		CHECK(data == &array[0]);
24*d4514f0bSApple OSS Distributions 	}
25*d4514f0bSApple OSS Distributions 	{
26*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*d4514f0bSApple OSS Distributions 		T* data = view.data();
28*d4514f0bSApple OSS Distributions 		CHECK(data == &array[0]);
29*d4514f0bSApple OSS Distributions 	}
30*d4514f0bSApple OSS Distributions 
31*d4514f0bSApple OSS Distributions 	{
32*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[1], 2);
33*d4514f0bSApple OSS Distributions 		T* data = view.data();
34*d4514f0bSApple OSS Distributions 		CHECK(data == &array[1]);
35*d4514f0bSApple OSS Distributions 	}
36*d4514f0bSApple OSS Distributions 	{
37*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[2], 2);
38*d4514f0bSApple OSS Distributions 		T* data = view.data();
39*d4514f0bSApple OSS Distributions 		CHECK(data == &array[2]);
40*d4514f0bSApple OSS Distributions 	}
41*d4514f0bSApple OSS Distributions }
42*d4514f0bSApple OSS Distributions 
43*d4514f0bSApple OSS Distributions T_DECL(data, "bounded_array_ref.data", T_META_TAG_VM_PREFERRED) {
44*d4514f0bSApple OSS Distributions 	tests<T>();
45*d4514f0bSApple OSS Distributions 	tests<T const>();
46*d4514f0bSApple OSS Distributions }
47