xref: /xnu-8792.41.9/tests/bounded_array_ref_src/for_loop.cpp (revision 5c2921b07a2480ab43ec66f5b9e41cb872bc554f)
1*5c2921b0SApple OSS Distributions //
2*5c2921b0SApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*5c2921b0SApple OSS Distributions //
4*5c2921b0SApple OSS Distributions 
5*5c2921b0SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*5c2921b0SApple OSS Distributions #include <darwintest.h>
7*5c2921b0SApple OSS Distributions #include "test_policy.h"
8*5c2921b0SApple OSS Distributions 
9*5c2921b0SApple OSS Distributions struct T {
10*5c2921b0SApple OSS Distributions 	int i;
11*5c2921b0SApple OSS Distributions };
12*5c2921b0SApple OSS Distributions 
13*5c2921b0SApple OSS Distributions template <typename T>
14*5c2921b0SApple OSS Distributions static void
tests()15*5c2921b0SApple OSS Distributions tests()
16*5c2921b0SApple OSS Distributions {
17*5c2921b0SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*5c2921b0SApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*5c2921b0SApple OSS Distributions 	for (T& element : view) {
20*5c2921b0SApple OSS Distributions 		element = T{3};
21*5c2921b0SApple OSS Distributions 	}
22*5c2921b0SApple OSS Distributions 
23*5c2921b0SApple OSS Distributions 	for (T const& element : view) {
24*5c2921b0SApple OSS Distributions 		CHECK(element.i == 3);
25*5c2921b0SApple OSS Distributions 	}
26*5c2921b0SApple OSS Distributions }
27*5c2921b0SApple OSS Distributions 
28*5c2921b0SApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop") {
29*5c2921b0SApple OSS Distributions 	tests<T>();
30*5c2921b0SApple OSS Distributions }
31