xref: /xnu-11417.140.69/tests/bounded_array_ref_src/for_loop.cpp (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions //
2*43a90889SApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*43a90889SApple OSS Distributions //
4*43a90889SApple OSS Distributions 
5*43a90889SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*43a90889SApple OSS Distributions #include <darwintest.h>
7*43a90889SApple OSS Distributions #include "test_policy.h"
8*43a90889SApple OSS Distributions 
9*43a90889SApple OSS Distributions struct T {
10*43a90889SApple OSS Distributions 	int i;
11*43a90889SApple OSS Distributions };
12*43a90889SApple OSS Distributions 
13*43a90889SApple OSS Distributions template <typename T>
14*43a90889SApple OSS Distributions static void
tests()15*43a90889SApple OSS Distributions tests()
16*43a90889SApple OSS Distributions {
17*43a90889SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*43a90889SApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*43a90889SApple OSS Distributions 	for (T& element : view) {
20*43a90889SApple OSS Distributions 		element = T{3};
21*43a90889SApple OSS Distributions 	}
22*43a90889SApple OSS Distributions 
23*43a90889SApple OSS Distributions 	for (T const& element : view) {
24*43a90889SApple OSS Distributions 		CHECK(element.i == 3);
25*43a90889SApple OSS Distributions 	}
26*43a90889SApple OSS Distributions }
27*43a90889SApple OSS Distributions 
28*43a90889SApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop", T_META_TAG_VM_PREFERRED) {
29*43a90889SApple OSS Distributions 	tests<T>();
30*43a90889SApple OSS Distributions }
31