xref: /xnu-8796.101.5/tests/bounded_array_ref_src/for_loop.cpp (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5)
1*aca3beaaSApple OSS Distributions //
2*aca3beaaSApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*aca3beaaSApple OSS Distributions //
4*aca3beaaSApple OSS Distributions 
5*aca3beaaSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*aca3beaaSApple OSS Distributions #include <darwintest.h>
7*aca3beaaSApple OSS Distributions #include "test_policy.h"
8*aca3beaaSApple OSS Distributions 
9*aca3beaaSApple OSS Distributions struct T {
10*aca3beaaSApple OSS Distributions 	int i;
11*aca3beaaSApple OSS Distributions };
12*aca3beaaSApple OSS Distributions 
13*aca3beaaSApple OSS Distributions template <typename T>
14*aca3beaaSApple OSS Distributions static void
tests()15*aca3beaaSApple OSS Distributions tests()
16*aca3beaaSApple OSS Distributions {
17*aca3beaaSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*aca3beaaSApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*aca3beaaSApple OSS Distributions 	for (T& element : view) {
20*aca3beaaSApple OSS Distributions 		element = T{3};
21*aca3beaaSApple OSS Distributions 	}
22*aca3beaaSApple OSS Distributions 
23*aca3beaaSApple OSS Distributions 	for (T const& element : view) {
24*aca3beaaSApple OSS Distributions 		CHECK(element.i == 3);
25*aca3beaaSApple OSS Distributions 	}
26*aca3beaaSApple OSS Distributions }
27*aca3beaaSApple OSS Distributions 
28*aca3beaaSApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop") {
29*aca3beaaSApple OSS Distributions 	tests<T>();
30*aca3beaaSApple OSS Distributions }
31