xref: /xnu-8792.81.2/tests/bounded_array_ref_src/for_loop.cpp (revision 19c3b8c28c31cb8130e034cfb5df6bf9ba342d90)
1*19c3b8c2SApple OSS Distributions //
2*19c3b8c2SApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*19c3b8c2SApple OSS Distributions //
4*19c3b8c2SApple OSS Distributions 
5*19c3b8c2SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*19c3b8c2SApple OSS Distributions #include <darwintest.h>
7*19c3b8c2SApple OSS Distributions #include "test_policy.h"
8*19c3b8c2SApple OSS Distributions 
9*19c3b8c2SApple OSS Distributions struct T {
10*19c3b8c2SApple OSS Distributions 	int i;
11*19c3b8c2SApple OSS Distributions };
12*19c3b8c2SApple OSS Distributions 
13*19c3b8c2SApple OSS Distributions template <typename T>
14*19c3b8c2SApple OSS Distributions static void
tests()15*19c3b8c2SApple OSS Distributions tests()
16*19c3b8c2SApple OSS Distributions {
17*19c3b8c2SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*19c3b8c2SApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*19c3b8c2SApple OSS Distributions 	for (T& element : view) {
20*19c3b8c2SApple OSS Distributions 		element = T{3};
21*19c3b8c2SApple OSS Distributions 	}
22*19c3b8c2SApple OSS Distributions 
23*19c3b8c2SApple OSS Distributions 	for (T const& element : view) {
24*19c3b8c2SApple OSS Distributions 		CHECK(element.i == 3);
25*19c3b8c2SApple OSS Distributions 	}
26*19c3b8c2SApple OSS Distributions }
27*19c3b8c2SApple OSS Distributions 
28*19c3b8c2SApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop") {
29*19c3b8c2SApple OSS Distributions 	tests<T>();
30*19c3b8c2SApple OSS Distributions }
31