xref: /xnu-8020.101.4/tests/bounded_array_ref_src/operator.subscript.cpp (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions //
2*e7776783SApple OSS Distributions // Tests for
3*e7776783SApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*e7776783SApple OSS Distributions //
5*e7776783SApple OSS Distributions 
6*e7776783SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*e7776783SApple OSS Distributions #include "test_policy.h"
8*e7776783SApple OSS Distributions #include <darwintest.h>
9*e7776783SApple OSS Distributions #include <darwintest_utils.h>
10*e7776783SApple OSS Distributions 
11*e7776783SApple OSS Distributions struct T { int i; };
12*e7776783SApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*e7776783SApple OSS Distributions operator==(T const& a, T const& b)
14*e7776783SApple OSS Distributions {
15*e7776783SApple OSS Distributions 	return a.i == b.i;
16*e7776783SApple OSS Distributions };
17*e7776783SApple OSS Distributions 
18*e7776783SApple OSS Distributions template <typename T>
19*e7776783SApple OSS Distributions static void
tests()20*e7776783SApple OSS Distributions tests()
21*e7776783SApple OSS Distributions {
22*e7776783SApple OSS Distributions 	{
23*e7776783SApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*e7776783SApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*e7776783SApple OSS Distributions 		CHECK(view[0] == T{0});
26*e7776783SApple OSS Distributions 		CHECK(view[1] == T{1});
27*e7776783SApple OSS Distributions 		CHECK(view[2] == T{2});
28*e7776783SApple OSS Distributions 		CHECK(view[3] == T{3});
29*e7776783SApple OSS Distributions 		CHECK(view[4] == T{4});
30*e7776783SApple OSS Distributions 	}
31*e7776783SApple OSS Distributions }
32*e7776783SApple OSS Distributions 
33*e7776783SApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*e7776783SApple OSS Distributions 	tests<T>();
35*e7776783SApple OSS Distributions }
36