xref: /xnu-10063.101.15/tests/bounded_array_ref_src/size.cpp (revision 94d3b452840153a99b38a3a9659680b2a006908e)
1*94d3b452SApple OSS Distributions //
2*94d3b452SApple OSS Distributions // Tests for
3*94d3b452SApple OSS Distributions //  size_t size() const;
4*94d3b452SApple OSS Distributions //
5*94d3b452SApple OSS Distributions 
6*94d3b452SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*94d3b452SApple OSS Distributions #include "test_policy.h"
8*94d3b452SApple OSS Distributions #include <cstddef>
9*94d3b452SApple OSS Distributions #include <darwintest.h>
10*94d3b452SApple OSS Distributions #include <darwintest_utils.h>
11*94d3b452SApple OSS Distributions 
12*94d3b452SApple OSS Distributions struct T { int i; };
13*94d3b452SApple OSS Distributions 
14*94d3b452SApple OSS Distributions template <typename T>
15*94d3b452SApple OSS Distributions static void
tests()16*94d3b452SApple OSS Distributions tests()
17*94d3b452SApple OSS Distributions {
18*94d3b452SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*94d3b452SApple OSS Distributions 
20*94d3b452SApple OSS Distributions 	{
21*94d3b452SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*94d3b452SApple OSS Distributions 		std::size_t size = view.size();
23*94d3b452SApple OSS Distributions 		CHECK(size == 0);
24*94d3b452SApple OSS Distributions 	}
25*94d3b452SApple OSS Distributions 	{
26*94d3b452SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*94d3b452SApple OSS Distributions 		std::size_t size = view.size();
28*94d3b452SApple OSS Distributions 		CHECK(size == 1);
29*94d3b452SApple OSS Distributions 	}
30*94d3b452SApple OSS Distributions 	{
31*94d3b452SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*94d3b452SApple OSS Distributions 		std::size_t size = view.size();
33*94d3b452SApple OSS Distributions 		CHECK(size == 2);
34*94d3b452SApple OSS Distributions 	}
35*94d3b452SApple OSS Distributions 	{
36*94d3b452SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*94d3b452SApple OSS Distributions 		std::size_t size = view.size();
38*94d3b452SApple OSS Distributions 		CHECK(size == 5);
39*94d3b452SApple OSS Distributions 	}
40*94d3b452SApple OSS Distributions }
41*94d3b452SApple OSS Distributions 
42*94d3b452SApple OSS Distributions T_DECL(size, "bounded_array_ref.size") {
43*94d3b452SApple OSS Distributions 	tests<T>();
44*94d3b452SApple OSS Distributions 	tests<T const>();
45*94d3b452SApple OSS Distributions }
46