xref: /xnu-11417.140.69/tests/bounded_array_ref_src/size.cpp (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions //
2*43a90889SApple OSS Distributions // Tests for
3*43a90889SApple OSS Distributions //  size_t size() const;
4*43a90889SApple OSS Distributions //
5*43a90889SApple OSS Distributions 
6*43a90889SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*43a90889SApple OSS Distributions #include "test_policy.h"
8*43a90889SApple OSS Distributions #include <cstddef>
9*43a90889SApple OSS Distributions #include <darwintest.h>
10*43a90889SApple OSS Distributions #include <darwintest_utils.h>
11*43a90889SApple OSS Distributions 
12*43a90889SApple OSS Distributions struct T { int i; };
13*43a90889SApple OSS Distributions 
14*43a90889SApple OSS Distributions template <typename T>
15*43a90889SApple OSS Distributions static void
tests()16*43a90889SApple OSS Distributions tests()
17*43a90889SApple OSS Distributions {
18*43a90889SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*43a90889SApple OSS Distributions 
20*43a90889SApple OSS Distributions 	{
21*43a90889SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*43a90889SApple OSS Distributions 		std::size_t size = view.size();
23*43a90889SApple OSS Distributions 		CHECK(size == 0);
24*43a90889SApple OSS Distributions 	}
25*43a90889SApple OSS Distributions 	{
26*43a90889SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*43a90889SApple OSS Distributions 		std::size_t size = view.size();
28*43a90889SApple OSS Distributions 		CHECK(size == 1);
29*43a90889SApple OSS Distributions 	}
30*43a90889SApple OSS Distributions 	{
31*43a90889SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*43a90889SApple OSS Distributions 		std::size_t size = view.size();
33*43a90889SApple OSS Distributions 		CHECK(size == 2);
34*43a90889SApple OSS Distributions 	}
35*43a90889SApple OSS Distributions 	{
36*43a90889SApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*43a90889SApple OSS Distributions 		std::size_t size = view.size();
38*43a90889SApple OSS Distributions 		CHECK(size == 5);
39*43a90889SApple OSS Distributions 	}
40*43a90889SApple OSS Distributions }
41*43a90889SApple OSS Distributions 
42*43a90889SApple OSS Distributions T_DECL(size, "bounded_array_ref.size", T_META_TAG_VM_PREFERRED) {
43*43a90889SApple OSS Distributions 	tests<T>();
44*43a90889SApple OSS Distributions 	tests<T const>();
45*43a90889SApple OSS Distributions }
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