xref: /xnu-10063.101.15/tests/bounded_array_ref_src/operator.subscript.cpp (revision 94d3b452840153a99b38a3a9659680b2a006908e)
1*94d3b452SApple OSS Distributions //
2*94d3b452SApple OSS Distributions // Tests for
3*94d3b452SApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*94d3b452SApple OSS Distributions //
5*94d3b452SApple OSS Distributions 
6*94d3b452SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*94d3b452SApple OSS Distributions #include "test_policy.h"
8*94d3b452SApple OSS Distributions #include <darwintest.h>
9*94d3b452SApple OSS Distributions #include <darwintest_utils.h>
10*94d3b452SApple OSS Distributions 
11*94d3b452SApple OSS Distributions struct T { int i; };
12*94d3b452SApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*94d3b452SApple OSS Distributions operator==(T const& a, T const& b)
14*94d3b452SApple OSS Distributions {
15*94d3b452SApple OSS Distributions 	return a.i == b.i;
16*94d3b452SApple OSS Distributions };
17*94d3b452SApple OSS Distributions 
18*94d3b452SApple OSS Distributions template <typename T>
19*94d3b452SApple OSS Distributions static void
tests()20*94d3b452SApple OSS Distributions tests()
21*94d3b452SApple OSS Distributions {
22*94d3b452SApple OSS Distributions 	{
23*94d3b452SApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*94d3b452SApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*94d3b452SApple OSS Distributions 		CHECK(view[0] == T{0});
26*94d3b452SApple OSS Distributions 		CHECK(view[1] == T{1});
27*94d3b452SApple OSS Distributions 		CHECK(view[2] == T{2});
28*94d3b452SApple OSS Distributions 		CHECK(view[3] == T{3});
29*94d3b452SApple OSS Distributions 		CHECK(view[4] == T{4});
30*94d3b452SApple OSS Distributions 	}
31*94d3b452SApple OSS Distributions }
32*94d3b452SApple OSS Distributions 
33*94d3b452SApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*94d3b452SApple OSS Distributions 	tests<T>();
35*94d3b452SApple OSS Distributions }
36