xref: /xnu-12377.61.12/tests/bounded_array_ref_src/operator.subscript.cpp (revision 4d495c6e23c53686cf65f45067f79024cf5dcee8)
1*4d495c6eSApple OSS Distributions //
2*4d495c6eSApple OSS Distributions // Tests for
3*4d495c6eSApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*4d495c6eSApple OSS Distributions //
5*4d495c6eSApple OSS Distributions 
6*4d495c6eSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*4d495c6eSApple OSS Distributions #include "test_policy.h"
8*4d495c6eSApple OSS Distributions #include <darwintest.h>
9*4d495c6eSApple OSS Distributions #include <darwintest_utils.h>
10*4d495c6eSApple OSS Distributions 
11*4d495c6eSApple OSS Distributions struct T { int i; };
12*4d495c6eSApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*4d495c6eSApple OSS Distributions operator==(T const& a, T const& b)
14*4d495c6eSApple OSS Distributions {
15*4d495c6eSApple OSS Distributions 	return a.i == b.i;
16*4d495c6eSApple OSS Distributions };
17*4d495c6eSApple OSS Distributions 
18*4d495c6eSApple OSS Distributions template <typename T>
19*4d495c6eSApple OSS Distributions static void
tests()20*4d495c6eSApple OSS Distributions tests()
21*4d495c6eSApple OSS Distributions {
22*4d495c6eSApple OSS Distributions 	{
23*4d495c6eSApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*4d495c6eSApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*4d495c6eSApple OSS Distributions 		CHECK(view[0] == T{0});
26*4d495c6eSApple OSS Distributions 		CHECK(view[1] == T{1});
27*4d495c6eSApple OSS Distributions 		CHECK(view[2] == T{2});
28*4d495c6eSApple OSS Distributions 		CHECK(view[3] == T{3});
29*4d495c6eSApple OSS Distributions 		CHECK(view[4] == T{4});
30*4d495c6eSApple OSS Distributions 	}
31*4d495c6eSApple OSS Distributions }
32*4d495c6eSApple OSS Distributions 
33*4d495c6eSApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript", T_META_TAG_VM_PREFERRED) {
34*4d495c6eSApple OSS Distributions 	tests<T>();
35*4d495c6eSApple OSS Distributions }
36