xref: /xnu-11215.81.4/tests/bounded_array_ref_src/size.cpp (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions //
2*d4514f0bSApple OSS Distributions // Tests for
3*d4514f0bSApple OSS Distributions //  size_t size() const;
4*d4514f0bSApple OSS Distributions //
5*d4514f0bSApple OSS Distributions 
6*d4514f0bSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*d4514f0bSApple OSS Distributions #include "test_policy.h"
8*d4514f0bSApple OSS Distributions #include <cstddef>
9*d4514f0bSApple OSS Distributions #include <darwintest.h>
10*d4514f0bSApple OSS Distributions #include <darwintest_utils.h>
11*d4514f0bSApple OSS Distributions 
12*d4514f0bSApple OSS Distributions struct T { int i; };
13*d4514f0bSApple OSS Distributions 
14*d4514f0bSApple OSS Distributions template <typename T>
15*d4514f0bSApple OSS Distributions static void
tests()16*d4514f0bSApple OSS Distributions tests()
17*d4514f0bSApple OSS Distributions {
18*d4514f0bSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
19*d4514f0bSApple OSS Distributions 
20*d4514f0bSApple OSS Distributions 	{
21*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], static_cast<std::size_t>(0));
22*d4514f0bSApple OSS Distributions 		std::size_t size = view.size();
23*d4514f0bSApple OSS Distributions 		CHECK(size == 0);
24*d4514f0bSApple OSS Distributions 	}
25*d4514f0bSApple OSS Distributions 	{
26*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 1);
27*d4514f0bSApple OSS Distributions 		std::size_t size = view.size();
28*d4514f0bSApple OSS Distributions 		CHECK(size == 1);
29*d4514f0bSApple OSS Distributions 	}
30*d4514f0bSApple OSS Distributions 	{
31*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 2);
32*d4514f0bSApple OSS Distributions 		std::size_t size = view.size();
33*d4514f0bSApple OSS Distributions 		CHECK(size == 2);
34*d4514f0bSApple OSS Distributions 	}
35*d4514f0bSApple OSS Distributions 	{
36*d4514f0bSApple OSS Distributions 		test_bounded_array_ref<T> const view(&array[0], 5);
37*d4514f0bSApple OSS Distributions 		std::size_t size = view.size();
38*d4514f0bSApple OSS Distributions 		CHECK(size == 5);
39*d4514f0bSApple OSS Distributions 	}
40*d4514f0bSApple OSS Distributions }
41*d4514f0bSApple OSS Distributions 
42*d4514f0bSApple OSS Distributions T_DECL(size, "bounded_array_ref.size", T_META_TAG_VM_PREFERRED) {
43*d4514f0bSApple OSS Distributions 	tests<T>();
44*d4514f0bSApple OSS Distributions 	tests<T const>();
45*d4514f0bSApple OSS Distributions }
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