xref: /xnu-10002.41.9/tests/bounded_array_ref_src/operator.subscript.cpp (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions //
2*699cd480SApple OSS Distributions // Tests for
3*699cd480SApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*699cd480SApple OSS Distributions //
5*699cd480SApple OSS Distributions 
6*699cd480SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*699cd480SApple OSS Distributions #include "test_policy.h"
8*699cd480SApple OSS Distributions #include <darwintest.h>
9*699cd480SApple OSS Distributions #include <darwintest_utils.h>
10*699cd480SApple OSS Distributions 
11*699cd480SApple OSS Distributions struct T { int i; };
12*699cd480SApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*699cd480SApple OSS Distributions operator==(T const& a, T const& b)
14*699cd480SApple OSS Distributions {
15*699cd480SApple OSS Distributions 	return a.i == b.i;
16*699cd480SApple OSS Distributions };
17*699cd480SApple OSS Distributions 
18*699cd480SApple OSS Distributions template <typename T>
19*699cd480SApple OSS Distributions static void
tests()20*699cd480SApple OSS Distributions tests()
21*699cd480SApple OSS Distributions {
22*699cd480SApple OSS Distributions 	{
23*699cd480SApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*699cd480SApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*699cd480SApple OSS Distributions 		CHECK(view[0] == T{0});
26*699cd480SApple OSS Distributions 		CHECK(view[1] == T{1});
27*699cd480SApple OSS Distributions 		CHECK(view[2] == T{2});
28*699cd480SApple OSS Distributions 		CHECK(view[3] == T{3});
29*699cd480SApple OSS Distributions 		CHECK(view[4] == T{4});
30*699cd480SApple OSS Distributions 	}
31*699cd480SApple OSS Distributions }
32*699cd480SApple OSS Distributions 
33*699cd480SApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*699cd480SApple OSS Distributions 	tests<T>();
35*699cd480SApple OSS Distributions }
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