xref: /xnu-8792.61.2/tests/bounded_array_ref_src/operator.subscript.cpp (revision 42e220869062b56f8d7d0726fd4c88954f87902c)
1*42e22086SApple OSS Distributions //
2*42e22086SApple OSS Distributions // Tests for
3*42e22086SApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*42e22086SApple OSS Distributions //
5*42e22086SApple OSS Distributions 
6*42e22086SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*42e22086SApple OSS Distributions #include "test_policy.h"
8*42e22086SApple OSS Distributions #include <darwintest.h>
9*42e22086SApple OSS Distributions #include <darwintest_utils.h>
10*42e22086SApple OSS Distributions 
11*42e22086SApple OSS Distributions struct T { int i; };
12*42e22086SApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*42e22086SApple OSS Distributions operator==(T const& a, T const& b)
14*42e22086SApple OSS Distributions {
15*42e22086SApple OSS Distributions 	return a.i == b.i;
16*42e22086SApple OSS Distributions };
17*42e22086SApple OSS Distributions 
18*42e22086SApple OSS Distributions template <typename T>
19*42e22086SApple OSS Distributions static void
tests()20*42e22086SApple OSS Distributions tests()
21*42e22086SApple OSS Distributions {
22*42e22086SApple OSS Distributions 	{
23*42e22086SApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*42e22086SApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*42e22086SApple OSS Distributions 		CHECK(view[0] == T{0});
26*42e22086SApple OSS Distributions 		CHECK(view[1] == T{1});
27*42e22086SApple OSS Distributions 		CHECK(view[2] == T{2});
28*42e22086SApple OSS Distributions 		CHECK(view[3] == T{3});
29*42e22086SApple OSS Distributions 		CHECK(view[4] == T{4});
30*42e22086SApple OSS Distributions 	}
31*42e22086SApple OSS Distributions }
32*42e22086SApple OSS Distributions 
33*42e22086SApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*42e22086SApple OSS Distributions 	tests<T>();
35*42e22086SApple OSS Distributions }
36