xref: /xnu-8796.101.5/tests/bounded_array_ref_src/operator.subscript.cpp (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5)
1*aca3beaaSApple OSS Distributions //
2*aca3beaaSApple OSS Distributions // Tests for
3*aca3beaaSApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*aca3beaaSApple OSS Distributions //
5*aca3beaaSApple OSS Distributions 
6*aca3beaaSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*aca3beaaSApple OSS Distributions #include "test_policy.h"
8*aca3beaaSApple OSS Distributions #include <darwintest.h>
9*aca3beaaSApple OSS Distributions #include <darwintest_utils.h>
10*aca3beaaSApple OSS Distributions 
11*aca3beaaSApple OSS Distributions struct T { int i; };
12*aca3beaaSApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*aca3beaaSApple OSS Distributions operator==(T const& a, T const& b)
14*aca3beaaSApple OSS Distributions {
15*aca3beaaSApple OSS Distributions 	return a.i == b.i;
16*aca3beaaSApple OSS Distributions };
17*aca3beaaSApple OSS Distributions 
18*aca3beaaSApple OSS Distributions template <typename T>
19*aca3beaaSApple OSS Distributions static void
tests()20*aca3beaaSApple OSS Distributions tests()
21*aca3beaaSApple OSS Distributions {
22*aca3beaaSApple OSS Distributions 	{
23*aca3beaaSApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*aca3beaaSApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*aca3beaaSApple OSS Distributions 		CHECK(view[0] == T{0});
26*aca3beaaSApple OSS Distributions 		CHECK(view[1] == T{1});
27*aca3beaaSApple OSS Distributions 		CHECK(view[2] == T{2});
28*aca3beaaSApple OSS Distributions 		CHECK(view[3] == T{3});
29*aca3beaaSApple OSS Distributions 		CHECK(view[4] == T{4});
30*aca3beaaSApple OSS Distributions 	}
31*aca3beaaSApple OSS Distributions }
32*aca3beaaSApple OSS Distributions 
33*aca3beaaSApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*aca3beaaSApple OSS Distributions 	tests<T>();
35*aca3beaaSApple OSS Distributions }
36