xref: /xnu-11417.101.15/tests/bounded_array_ref_src/size.cpp (revision e3723e1f17661b24996789d8afc084c0c3303b26)
1*e3723e1fSApple OSS Distributions //
2*e3723e1fSApple OSS Distributions // Tests for
3*e3723e1fSApple OSS Distributions //  size_t size() const;
4*e3723e1fSApple OSS Distributions //
5*e3723e1fSApple OSS Distributions 
6*e3723e1fSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*e3723e1fSApple OSS Distributions #include "test_policy.h"
8*e3723e1fSApple OSS Distributions #include <cstddef>
9*e3723e1fSApple OSS Distributions #include <darwintest.h>
10*e3723e1fSApple OSS Distributions #include <darwintest_utils.h>
11*e3723e1fSApple OSS Distributions 
12*e3723e1fSApple OSS Distributions struct T { int i; };
13*e3723e1fSApple OSS Distributions 
14*e3723e1fSApple OSS Distributions template <typename T>
15*e3723e1fSApple OSS Distributions static void
tests()16*e3723e1fSApple OSS Distributions tests()
17*e3723e1fSApple OSS Distributions {
18*e3723e1fSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*e3723e1fSApple OSS Distributions 
20*e3723e1fSApple OSS Distributions 	{
21*e3723e1fSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*e3723e1fSApple OSS Distributions 		std::size_t size = view.size();
23*e3723e1fSApple OSS Distributions 		CHECK(size == 0);
24*e3723e1fSApple OSS Distributions 	}
25*e3723e1fSApple OSS Distributions 	{
26*e3723e1fSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*e3723e1fSApple OSS Distributions 		std::size_t size = view.size();
28*e3723e1fSApple OSS Distributions 		CHECK(size == 1);
29*e3723e1fSApple OSS Distributions 	}
30*e3723e1fSApple OSS Distributions 	{
31*e3723e1fSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*e3723e1fSApple OSS Distributions 		std::size_t size = view.size();
33*e3723e1fSApple OSS Distributions 		CHECK(size == 2);
34*e3723e1fSApple OSS Distributions 	}
35*e3723e1fSApple OSS Distributions 	{
36*e3723e1fSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*e3723e1fSApple OSS Distributions 		std::size_t size = view.size();
38*e3723e1fSApple OSS Distributions 		CHECK(size == 5);
39*e3723e1fSApple OSS Distributions 	}
40*e3723e1fSApple OSS Distributions }
41*e3723e1fSApple OSS Distributions 
42*e3723e1fSApple OSS Distributions T_DECL(size, "bounded_array_ref.size", T_META_TAG_VM_PREFERRED) {
43*e3723e1fSApple OSS Distributions 	tests<T>();
44*e3723e1fSApple OSS Distributions 	tests<T const>();
45*e3723e1fSApple OSS Distributions }
46