xref: /xnu-11215.41.3/tests/bounded_array_ref_src/operator.subscript.cpp (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
1*33de042dSApple OSS Distributions //
2*33de042dSApple OSS Distributions // Tests for
3*33de042dSApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*33de042dSApple OSS Distributions //
5*33de042dSApple OSS Distributions 
6*33de042dSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*33de042dSApple OSS Distributions #include "test_policy.h"
8*33de042dSApple OSS Distributions #include <darwintest.h>
9*33de042dSApple OSS Distributions #include <darwintest_utils.h>
10*33de042dSApple OSS Distributions 
11*33de042dSApple OSS Distributions struct T { int i; };
12*33de042dSApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*33de042dSApple OSS Distributions operator==(T const& a, T const& b)
14*33de042dSApple OSS Distributions {
15*33de042dSApple OSS Distributions 	return a.i == b.i;
16*33de042dSApple OSS Distributions };
17*33de042dSApple OSS Distributions 
18*33de042dSApple OSS Distributions template <typename T>
19*33de042dSApple OSS Distributions static void
tests()20*33de042dSApple OSS Distributions tests()
21*33de042dSApple OSS Distributions {
22*33de042dSApple OSS Distributions 	{
23*33de042dSApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*33de042dSApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*33de042dSApple OSS Distributions 		CHECK(view[0] == T{0});
26*33de042dSApple OSS Distributions 		CHECK(view[1] == T{1});
27*33de042dSApple OSS Distributions 		CHECK(view[2] == T{2});
28*33de042dSApple OSS Distributions 		CHECK(view[3] == T{3});
29*33de042dSApple OSS Distributions 		CHECK(view[4] == T{4});
30*33de042dSApple OSS Distributions 	}
31*33de042dSApple OSS Distributions }
32*33de042dSApple OSS Distributions 
33*33de042dSApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript", T_META_TAG_VM_PREFERRED) {
34*33de042dSApple OSS Distributions 	tests<T>();
35*33de042dSApple OSS Distributions }
36