xref: /xnu-12377.1.9/tests/bounded_array_ref_src/for_loop.cpp (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1*f6217f89SApple OSS Distributions //
2*f6217f89SApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*f6217f89SApple OSS Distributions //
4*f6217f89SApple OSS Distributions 
5*f6217f89SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*f6217f89SApple OSS Distributions #include <darwintest.h>
7*f6217f89SApple OSS Distributions #include "test_policy.h"
8*f6217f89SApple OSS Distributions 
9*f6217f89SApple OSS Distributions struct T {
10*f6217f89SApple OSS Distributions 	int i;
11*f6217f89SApple OSS Distributions };
12*f6217f89SApple OSS Distributions 
13*f6217f89SApple OSS Distributions template <typename T>
14*f6217f89SApple OSS Distributions static void
tests()15*f6217f89SApple OSS Distributions tests()
16*f6217f89SApple OSS Distributions {
17*f6217f89SApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*f6217f89SApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*f6217f89SApple OSS Distributions 	for (T& element : view) {
20*f6217f89SApple OSS Distributions 		element = T{3};
21*f6217f89SApple OSS Distributions 	}
22*f6217f89SApple OSS Distributions 
23*f6217f89SApple OSS Distributions 	for (T const& element : view) {
24*f6217f89SApple OSS Distributions 		CHECK(element.i == 3);
25*f6217f89SApple OSS Distributions 	}
26*f6217f89SApple OSS Distributions }
27*f6217f89SApple OSS Distributions 
28*f6217f89SApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop", T_META_TAG_VM_PREFERRED) {
29*f6217f89SApple OSS Distributions 	tests<T>();
30*f6217f89SApple OSS Distributions }
31