xref: /xnu-12377.41.6/tests/bounded_array_ref_src/for_loop.cpp (revision bbb1b6f9e71b8cdde6e5cd6f4841f207dee3d828)
1*bbb1b6f9SApple OSS Distributions //
2*bbb1b6f9SApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*bbb1b6f9SApple OSS Distributions //
4*bbb1b6f9SApple OSS Distributions 
5*bbb1b6f9SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*bbb1b6f9SApple OSS Distributions #include <darwintest.h>
7*bbb1b6f9SApple OSS Distributions #include "test_policy.h"
8*bbb1b6f9SApple OSS Distributions 
9*bbb1b6f9SApple OSS Distributions struct T {
10*bbb1b6f9SApple OSS Distributions 	int i;
11*bbb1b6f9SApple OSS Distributions };
12*bbb1b6f9SApple OSS Distributions 
13*bbb1b6f9SApple OSS Distributions template <typename T>
14*bbb1b6f9SApple OSS Distributions static void
tests()15*bbb1b6f9SApple OSS Distributions tests()
16*bbb1b6f9SApple OSS Distributions {
17*bbb1b6f9SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*bbb1b6f9SApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*bbb1b6f9SApple OSS Distributions 	for (T& element : view) {
20*bbb1b6f9SApple OSS Distributions 		element = T{3};
21*bbb1b6f9SApple OSS Distributions 	}
22*bbb1b6f9SApple OSS Distributions 
23*bbb1b6f9SApple OSS Distributions 	for (T const& element : view) {
24*bbb1b6f9SApple OSS Distributions 		CHECK(element.i == 3);
25*bbb1b6f9SApple OSS Distributions 	}
26*bbb1b6f9SApple OSS Distributions }
27*bbb1b6f9SApple OSS Distributions 
28*bbb1b6f9SApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop", T_META_TAG_VM_PREFERRED) {
29*bbb1b6f9SApple OSS Distributions 	tests<T>();
30*bbb1b6f9SApple OSS Distributions }
31