xref: /xnu-10063.141.1/tests/bounded_array_ref_src/operator.subscript.cpp (revision d8b80295118ef25ac3a784134bcf95cd8e88109f)
1*d8b80295SApple OSS Distributions //
2*d8b80295SApple OSS Distributions // Tests for
3*d8b80295SApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*d8b80295SApple OSS Distributions //
5*d8b80295SApple OSS Distributions 
6*d8b80295SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*d8b80295SApple OSS Distributions #include "test_policy.h"
8*d8b80295SApple OSS Distributions #include <darwintest.h>
9*d8b80295SApple OSS Distributions #include <darwintest_utils.h>
10*d8b80295SApple OSS Distributions 
11*d8b80295SApple OSS Distributions struct T { int i; };
12*d8b80295SApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*d8b80295SApple OSS Distributions operator==(T const& a, T const& b)
14*d8b80295SApple OSS Distributions {
15*d8b80295SApple OSS Distributions 	return a.i == b.i;
16*d8b80295SApple OSS Distributions };
17*d8b80295SApple OSS Distributions 
18*d8b80295SApple OSS Distributions template <typename T>
19*d8b80295SApple OSS Distributions static void
tests()20*d8b80295SApple OSS Distributions tests()
21*d8b80295SApple OSS Distributions {
22*d8b80295SApple OSS Distributions 	{
23*d8b80295SApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*d8b80295SApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*d8b80295SApple OSS Distributions 		CHECK(view[0] == T{0});
26*d8b80295SApple OSS Distributions 		CHECK(view[1] == T{1});
27*d8b80295SApple OSS Distributions 		CHECK(view[2] == T{2});
28*d8b80295SApple OSS Distributions 		CHECK(view[3] == T{3});
29*d8b80295SApple OSS Distributions 		CHECK(view[4] == T{4});
30*d8b80295SApple OSS Distributions 	}
31*d8b80295SApple OSS Distributions }
32*d8b80295SApple OSS Distributions 
33*d8b80295SApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*d8b80295SApple OSS Distributions 	tests<T>();
35*d8b80295SApple OSS Distributions }
36