xref: /xnu-11417.101.15/tests/bounded_array_ref_src/for_loop.cpp (revision e3723e1f17661b24996789d8afc084c0c3303b26)
1*e3723e1fSApple OSS Distributions //
2*e3723e1fSApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*e3723e1fSApple OSS Distributions //
4*e3723e1fSApple OSS Distributions 
5*e3723e1fSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*e3723e1fSApple OSS Distributions #include <darwintest.h>
7*e3723e1fSApple OSS Distributions #include "test_policy.h"
8*e3723e1fSApple OSS Distributions 
9*e3723e1fSApple OSS Distributions struct T {
10*e3723e1fSApple OSS Distributions 	int i;
11*e3723e1fSApple OSS Distributions };
12*e3723e1fSApple OSS Distributions 
13*e3723e1fSApple OSS Distributions template <typename T>
14*e3723e1fSApple OSS Distributions static void
tests()15*e3723e1fSApple OSS Distributions tests()
16*e3723e1fSApple OSS Distributions {
17*e3723e1fSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*e3723e1fSApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*e3723e1fSApple OSS Distributions 	for (T& element : view) {
20*e3723e1fSApple OSS Distributions 		element = T{3};
21*e3723e1fSApple OSS Distributions 	}
22*e3723e1fSApple OSS Distributions 
23*e3723e1fSApple OSS Distributions 	for (T const& element : view) {
24*e3723e1fSApple OSS Distributions 		CHECK(element.i == 3);
25*e3723e1fSApple OSS Distributions 	}
26*e3723e1fSApple OSS Distributions }
27*e3723e1fSApple OSS Distributions 
28*e3723e1fSApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop", T_META_TAG_VM_PREFERRED) {
29*e3723e1fSApple OSS Distributions 	tests<T>();
30*e3723e1fSApple OSS Distributions }
31