xref: /xnu-8792.81.2/tests/bounded_array_ref_src/size.cpp (revision 19c3b8c28c31cb8130e034cfb5df6bf9ba342d90)
1*19c3b8c2SApple OSS Distributions //
2*19c3b8c2SApple OSS Distributions // Tests for
3*19c3b8c2SApple OSS Distributions //  size_t size() const;
4*19c3b8c2SApple OSS Distributions //
5*19c3b8c2SApple OSS Distributions 
6*19c3b8c2SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*19c3b8c2SApple OSS Distributions #include "test_policy.h"
8*19c3b8c2SApple OSS Distributions #include <cstddef>
9*19c3b8c2SApple OSS Distributions #include <darwintest.h>
10*19c3b8c2SApple OSS Distributions #include <darwintest_utils.h>
11*19c3b8c2SApple OSS Distributions 
12*19c3b8c2SApple OSS Distributions struct T { int i; };
13*19c3b8c2SApple OSS Distributions 
14*19c3b8c2SApple OSS Distributions template <typename T>
15*19c3b8c2SApple OSS Distributions static void
tests()16*19c3b8c2SApple OSS Distributions tests()
17*19c3b8c2SApple OSS Distributions {
18*19c3b8c2SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*19c3b8c2SApple OSS Distributions 
20*19c3b8c2SApple OSS Distributions 	{
21*19c3b8c2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*19c3b8c2SApple OSS Distributions 		std::size_t size = view.size();
23*19c3b8c2SApple OSS Distributions 		CHECK(size == 0);
24*19c3b8c2SApple OSS Distributions 	}
25*19c3b8c2SApple OSS Distributions 	{
26*19c3b8c2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*19c3b8c2SApple OSS Distributions 		std::size_t size = view.size();
28*19c3b8c2SApple OSS Distributions 		CHECK(size == 1);
29*19c3b8c2SApple OSS Distributions 	}
30*19c3b8c2SApple OSS Distributions 	{
31*19c3b8c2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*19c3b8c2SApple OSS Distributions 		std::size_t size = view.size();
33*19c3b8c2SApple OSS Distributions 		CHECK(size == 2);
34*19c3b8c2SApple OSS Distributions 	}
35*19c3b8c2SApple OSS Distributions 	{
36*19c3b8c2SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*19c3b8c2SApple OSS Distributions 		std::size_t size = view.size();
38*19c3b8c2SApple OSS Distributions 		CHECK(size == 5);
39*19c3b8c2SApple OSS Distributions 	}
40*19c3b8c2SApple OSS Distributions }
41*19c3b8c2SApple OSS Distributions 
42*19c3b8c2SApple OSS Distributions T_DECL(size, "bounded_array_ref.size") {
43*19c3b8c2SApple OSS Distributions 	tests<T>();
44*19c3b8c2SApple OSS Distributions 	tests<T const>();
45*19c3b8c2SApple OSS Distributions }
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