xref: /xnu-11417.121.6/tests/bounded_array_ref_src/for_loop.cpp (revision a1e26a70f38d1d7daa7b49b258e2f8538ad81650)
1*a1e26a70SApple OSS Distributions //
2*a1e26a70SApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*a1e26a70SApple OSS Distributions //
4*a1e26a70SApple OSS Distributions 
5*a1e26a70SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*a1e26a70SApple OSS Distributions #include <darwintest.h>
7*a1e26a70SApple OSS Distributions #include "test_policy.h"
8*a1e26a70SApple OSS Distributions 
9*a1e26a70SApple OSS Distributions struct T {
10*a1e26a70SApple OSS Distributions 	int i;
11*a1e26a70SApple OSS Distributions };
12*a1e26a70SApple OSS Distributions 
13*a1e26a70SApple OSS Distributions template <typename T>
14*a1e26a70SApple OSS Distributions static void
tests()15*a1e26a70SApple OSS Distributions tests()
16*a1e26a70SApple OSS Distributions {
17*a1e26a70SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*a1e26a70SApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*a1e26a70SApple OSS Distributions 	for (T& element : view) {
20*a1e26a70SApple OSS Distributions 		element = T{3};
21*a1e26a70SApple OSS Distributions 	}
22*a1e26a70SApple OSS Distributions 
23*a1e26a70SApple OSS Distributions 	for (T const& element : view) {
24*a1e26a70SApple OSS Distributions 		CHECK(element.i == 3);
25*a1e26a70SApple OSS Distributions 	}
26*a1e26a70SApple OSS Distributions }
27*a1e26a70SApple OSS Distributions 
28*a1e26a70SApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop", T_META_TAG_VM_PREFERRED) {
29*a1e26a70SApple OSS Distributions 	tests<T>();
30*a1e26a70SApple OSS Distributions }
31