xref: /xnu-11215.81.4/tests/bounded_array_ref_src/for_loop.cpp (revision d4514f0bc1d3f944c22d92e68b646ac3fb40d452)
1*d4514f0bSApple OSS Distributions //
2*d4514f0bSApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*d4514f0bSApple OSS Distributions //
4*d4514f0bSApple OSS Distributions 
5*d4514f0bSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*d4514f0bSApple OSS Distributions #include <darwintest.h>
7*d4514f0bSApple OSS Distributions #include "test_policy.h"
8*d4514f0bSApple OSS Distributions 
9*d4514f0bSApple OSS Distributions struct T {
10*d4514f0bSApple OSS Distributions 	int i;
11*d4514f0bSApple OSS Distributions };
12*d4514f0bSApple OSS Distributions 
13*d4514f0bSApple OSS Distributions template <typename T>
14*d4514f0bSApple OSS Distributions static void
tests()15*d4514f0bSApple OSS Distributions tests()
16*d4514f0bSApple OSS Distributions {
17*d4514f0bSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*d4514f0bSApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*d4514f0bSApple OSS Distributions 	for (T& element : view) {
20*d4514f0bSApple OSS Distributions 		element = T{3};
21*d4514f0bSApple OSS Distributions 	}
22*d4514f0bSApple OSS Distributions 
23*d4514f0bSApple OSS Distributions 	for (T const& element : view) {
24*d4514f0bSApple OSS Distributions 		CHECK(element.i == 3);
25*d4514f0bSApple OSS Distributions 	}
26*d4514f0bSApple OSS Distributions }
27*d4514f0bSApple OSS Distributions 
28*d4514f0bSApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop", T_META_TAG_VM_PREFERRED) {
29*d4514f0bSApple OSS Distributions 	tests<T>();
30*d4514f0bSApple OSS Distributions }
31