xref: /xnu-8796.121.2/tests/bounded_array_ref_src/size.cpp (revision c54f35ca767986246321eb901baf8f5ff7923f6a)
1*c54f35caSApple OSS Distributions //
2*c54f35caSApple OSS Distributions // Tests for
3*c54f35caSApple OSS Distributions //  size_t size() const;
4*c54f35caSApple OSS Distributions //
5*c54f35caSApple OSS Distributions 
6*c54f35caSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*c54f35caSApple OSS Distributions #include "test_policy.h"
8*c54f35caSApple OSS Distributions #include <cstddef>
9*c54f35caSApple OSS Distributions #include <darwintest.h>
10*c54f35caSApple OSS Distributions #include <darwintest_utils.h>
11*c54f35caSApple OSS Distributions 
12*c54f35caSApple OSS Distributions struct T { int i; };
13*c54f35caSApple OSS Distributions 
14*c54f35caSApple OSS Distributions template <typename T>
15*c54f35caSApple OSS Distributions static void
tests()16*c54f35caSApple OSS Distributions tests()
17*c54f35caSApple OSS Distributions {
18*c54f35caSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*c54f35caSApple OSS Distributions 
20*c54f35caSApple OSS Distributions 	{
21*c54f35caSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*c54f35caSApple OSS Distributions 		std::size_t size = view.size();
23*c54f35caSApple OSS Distributions 		CHECK(size == 0);
24*c54f35caSApple OSS Distributions 	}
25*c54f35caSApple OSS Distributions 	{
26*c54f35caSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*c54f35caSApple OSS Distributions 		std::size_t size = view.size();
28*c54f35caSApple OSS Distributions 		CHECK(size == 1);
29*c54f35caSApple OSS Distributions 	}
30*c54f35caSApple OSS Distributions 	{
31*c54f35caSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*c54f35caSApple OSS Distributions 		std::size_t size = view.size();
33*c54f35caSApple OSS Distributions 		CHECK(size == 2);
34*c54f35caSApple OSS Distributions 	}
35*c54f35caSApple OSS Distributions 	{
36*c54f35caSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*c54f35caSApple OSS Distributions 		std::size_t size = view.size();
38*c54f35caSApple OSS Distributions 		CHECK(size == 5);
39*c54f35caSApple OSS Distributions 	}
40*c54f35caSApple OSS Distributions }
41*c54f35caSApple OSS Distributions 
42*c54f35caSApple OSS Distributions T_DECL(size, "bounded_array_ref.size") {
43*c54f35caSApple OSS Distributions 	tests<T>();
44*c54f35caSApple OSS Distributions 	tests<T const>();
45*c54f35caSApple OSS Distributions }
46