xref: /xnu-8019.80.24/tests/bounded_array_ref_src/size.cpp (revision a325d9c4a84054e40bbe985afedcb50ab80993ea)
1*a325d9c4SApple OSS Distributions //
2*a325d9c4SApple OSS Distributions // Tests for
3*a325d9c4SApple OSS Distributions //  size_t size() 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 		std::size_t size = view.size();
23*a325d9c4SApple OSS Distributions 		CHECK(size == 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 		std::size_t size = view.size();
28*a325d9c4SApple OSS Distributions 		CHECK(size == 1);
29*a325d9c4SApple OSS Distributions 	}
30*a325d9c4SApple OSS Distributions 	{
31*a325d9c4SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*a325d9c4SApple OSS Distributions 		std::size_t size = view.size();
33*a325d9c4SApple OSS Distributions 		CHECK(size == 2);
34*a325d9c4SApple OSS Distributions 	}
35*a325d9c4SApple OSS Distributions 	{
36*a325d9c4SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*a325d9c4SApple OSS Distributions 		std::size_t size = view.size();
38*a325d9c4SApple OSS Distributions 		CHECK(size == 5);
39*a325d9c4SApple OSS Distributions 	}
40*a325d9c4SApple OSS Distributions }
41*a325d9c4SApple OSS Distributions 
42*a325d9c4SApple OSS Distributions T_DECL(size, "bounded_array_ref.size") {
43*a325d9c4SApple OSS Distributions 	tests<T>();
44*a325d9c4SApple OSS Distributions 	tests<T const>();
45*a325d9c4SApple OSS Distributions }
46