xref: /xnu-8020.121.3/tests/bounded_array_ref_src/for_loop.cpp (revision fdd8201d7b966f0c3ea610489d29bd841d358941)
1*fdd8201dSApple OSS Distributions //
2*fdd8201dSApple OSS Distributions // Make sure `bounded_array_ref` works nicely with the range-based for-loop.
3*fdd8201dSApple OSS Distributions //
4*fdd8201dSApple OSS Distributions 
5*fdd8201dSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
6*fdd8201dSApple OSS Distributions #include <darwintest.h>
7*fdd8201dSApple OSS Distributions #include "test_policy.h"
8*fdd8201dSApple OSS Distributions 
9*fdd8201dSApple OSS Distributions struct T {
10*fdd8201dSApple OSS Distributions 	int i;
11*fdd8201dSApple OSS Distributions };
12*fdd8201dSApple OSS Distributions 
13*fdd8201dSApple OSS Distributions template <typename T>
14*fdd8201dSApple OSS Distributions static void
tests()15*fdd8201dSApple OSS Distributions tests()
16*fdd8201dSApple OSS Distributions {
17*fdd8201dSApple OSS Distributions 	T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
18*fdd8201dSApple OSS Distributions 	test_bounded_array_ref<T> view(array);
19*fdd8201dSApple OSS Distributions 	for (T& element : view) {
20*fdd8201dSApple OSS Distributions 		element = T{3};
21*fdd8201dSApple OSS Distributions 	}
22*fdd8201dSApple OSS Distributions 
23*fdd8201dSApple OSS Distributions 	for (T const& element : view) {
24*fdd8201dSApple OSS Distributions 		CHECK(element.i == 3);
25*fdd8201dSApple OSS Distributions 	}
26*fdd8201dSApple OSS Distributions }
27*fdd8201dSApple OSS Distributions 
28*fdd8201dSApple OSS Distributions T_DECL(for_loop, "bounded_array_ref.for_loop") {
29*fdd8201dSApple OSS Distributions 	tests<T>();
30*fdd8201dSApple OSS Distributions }
31