xref: /xnu-8020.140.41/tests/bounded_array_ref_src/operator.subscript.cpp (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions //
2*27b03b36SApple OSS Distributions // Tests for
3*27b03b36SApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*27b03b36SApple OSS Distributions //
5*27b03b36SApple OSS Distributions 
6*27b03b36SApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*27b03b36SApple OSS Distributions #include "test_policy.h"
8*27b03b36SApple OSS Distributions #include <darwintest.h>
9*27b03b36SApple OSS Distributions #include <darwintest_utils.h>
10*27b03b36SApple OSS Distributions 
11*27b03b36SApple OSS Distributions struct T { int i; };
12*27b03b36SApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*27b03b36SApple OSS Distributions operator==(T const& a, T const& b)
14*27b03b36SApple OSS Distributions {
15*27b03b36SApple OSS Distributions 	return a.i == b.i;
16*27b03b36SApple OSS Distributions };
17*27b03b36SApple OSS Distributions 
18*27b03b36SApple OSS Distributions template <typename T>
19*27b03b36SApple OSS Distributions static void
tests()20*27b03b36SApple OSS Distributions tests()
21*27b03b36SApple OSS Distributions {
22*27b03b36SApple OSS Distributions 	{
23*27b03b36SApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*27b03b36SApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*27b03b36SApple OSS Distributions 		CHECK(view[0] == T{0});
26*27b03b36SApple OSS Distributions 		CHECK(view[1] == T{1});
27*27b03b36SApple OSS Distributions 		CHECK(view[2] == T{2});
28*27b03b36SApple OSS Distributions 		CHECK(view[3] == T{3});
29*27b03b36SApple OSS Distributions 		CHECK(view[4] == T{4});
30*27b03b36SApple OSS Distributions 	}
31*27b03b36SApple OSS Distributions }
32*27b03b36SApple OSS Distributions 
33*27b03b36SApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*27b03b36SApple OSS Distributions 	tests<T>();
35*27b03b36SApple OSS Distributions }
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