xref: /xnu-10063.141.1/tests/bounded_array_ref_src/size.cpp (revision d8b80295118ef25ac3a784134bcf95cd8e88109f) !
1*d8b80295SApple OSS Distributions //
2*d8b80295SApple OSS Distributions // Tests for
3*d8b80295SApple OSS Distributions //  size_t size() const;
4*d8b80295SApple OSS Distributions //
5*d8b80295SApple OSS Distributions 
6*d8b80295SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*d8b80295SApple OSS Distributions #include "test_policy.h"
8*d8b80295SApple OSS Distributions #include <cstddef>
9*d8b80295SApple OSS Distributions #include <darwintest.h>
10*d8b80295SApple OSS Distributions #include <darwintest_utils.h>
11*d8b80295SApple OSS Distributions 
12*d8b80295SApple OSS Distributions struct T { int i; };
13*d8b80295SApple OSS Distributions 
14*d8b80295SApple OSS Distributions template <typename T>
15*d8b80295SApple OSS Distributions static void
tests()16*d8b80295SApple OSS Distributions tests()
17*d8b80295SApple OSS Distributions {
18*d8b80295SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*d8b80295SApple OSS Distributions 
20*d8b80295SApple OSS Distributions 	{
21*d8b80295SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*d8b80295SApple OSS Distributions 		std::size_t size = view.size();
23*d8b80295SApple OSS Distributions 		CHECK(size == 0);
24*d8b80295SApple OSS Distributions 	}
25*d8b80295SApple OSS Distributions 	{
26*d8b80295SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*d8b80295SApple OSS Distributions 		std::size_t size = view.size();
28*d8b80295SApple OSS Distributions 		CHECK(size == 1);
29*d8b80295SApple OSS Distributions 	}
30*d8b80295SApple OSS Distributions 	{
31*d8b80295SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*d8b80295SApple OSS Distributions 		std::size_t size = view.size();
33*d8b80295SApple OSS Distributions 		CHECK(size == 2);
34*d8b80295SApple OSS Distributions 	}
35*d8b80295SApple OSS Distributions 	{
36*d8b80295SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*d8b80295SApple OSS Distributions 		std::size_t size = view.size();
38*d8b80295SApple OSS Distributions 		CHECK(size == 5);
39*d8b80295SApple OSS Distributions 	}
40*d8b80295SApple OSS Distributions }
41*d8b80295SApple OSS Distributions 
42*d8b80295SApple OSS Distributions T_DECL(size, "bounded_array_ref.size") {
43*d8b80295SApple OSS Distributions 	tests<T>();
44*d8b80295SApple OSS Distributions 	tests<T const>();
45*d8b80295SApple OSS Distributions }
46