xref: /xnu-8019.80.24/tests/bounded_array_ref_src/for_loop.cpp (revision a325d9c4a84054e40bbe985afedcb50ab80993ea)
1*a325d9c4SApple OSS Distributions //
2*a325d9c4SApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*a325d9c4SApple OSS Distributions //
4*a325d9c4SApple OSS Distributions 
5*a325d9c4SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*a325d9c4SApple OSS Distributions #include <darwintest.h>
7*a325d9c4SApple OSS Distributions #include "test_policy.h"
8*a325d9c4SApple OSS Distributions 
9*a325d9c4SApple OSS Distributions struct T {
10*a325d9c4SApple OSS Distributions 	int i;
11*a325d9c4SApple OSS Distributions };
12*a325d9c4SApple OSS Distributions 
13*a325d9c4SApple OSS Distributions template <typename T>
14*a325d9c4SApple OSS Distributions static void
tests()15*a325d9c4SApple OSS Distributions tests()
16*a325d9c4SApple OSS Distributions {
17*a325d9c4SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*a325d9c4SApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*a325d9c4SApple OSS Distributions 	for (T& element : view) {
20*a325d9c4SApple OSS Distributions 		element = T{3};
21*a325d9c4SApple OSS Distributions 	}
22*a325d9c4SApple OSS Distributions 
23*a325d9c4SApple OSS Distributions 	for (T const& element : view) {
24*a325d9c4SApple OSS Distributions 		CHECK(element.i == 3);
25*a325d9c4SApple OSS Distributions 	}
26*a325d9c4SApple OSS Distributions }
27*a325d9c4SApple OSS Distributions 
28*a325d9c4SApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop") {
29*a325d9c4SApple OSS Distributions 	tests<T>();
30*a325d9c4SApple OSS Distributions }
31