xref: /xnu-10063.121.3/tests/bounded_array_ref_src/operator.subscript.cpp (revision 2c2f96dc2b9a4408a43d3150ae9c105355ca3daa)
1*2c2f96dcSApple OSS Distributions //
2*2c2f96dcSApple OSS Distributions // Tests for
3*2c2f96dcSApple OSS Distributions //  T& operator[](ptrdiff_t n) const;
4*2c2f96dcSApple OSS Distributions //
5*2c2f96dcSApple OSS Distributions 
6*2c2f96dcSApple OSS Distributions #include <libkern/c++/bounded_array_ref.h>
7*2c2f96dcSApple OSS Distributions #include "test_policy.h"
8*2c2f96dcSApple OSS Distributions #include <darwintest.h>
9*2c2f96dcSApple OSS Distributions #include <darwintest_utils.h>
10*2c2f96dcSApple OSS Distributions 
11*2c2f96dcSApple OSS Distributions struct T { int i; };
12*2c2f96dcSApple OSS Distributions inline bool
operator ==(T const & a,T const & b)13*2c2f96dcSApple OSS Distributions operator==(T const& a, T const& b)
14*2c2f96dcSApple OSS Distributions {
15*2c2f96dcSApple OSS Distributions 	return a.i == b.i;
16*2c2f96dcSApple OSS Distributions };
17*2c2f96dcSApple OSS Distributions 
18*2c2f96dcSApple OSS Distributions template <typename T>
19*2c2f96dcSApple OSS Distributions static void
tests()20*2c2f96dcSApple OSS Distributions tests()
21*2c2f96dcSApple OSS Distributions {
22*2c2f96dcSApple OSS Distributions 	{
23*2c2f96dcSApple OSS Distributions 		T array[5] = {T{0}, T{1}, T{2}, T{3}, T{4}};
24*2c2f96dcSApple OSS Distributions 		test_bounded_array_ref<T> view(array);
25*2c2f96dcSApple OSS Distributions 		CHECK(view[0] == T{0});
26*2c2f96dcSApple OSS Distributions 		CHECK(view[1] == T{1});
27*2c2f96dcSApple OSS Distributions 		CHECK(view[2] == T{2});
28*2c2f96dcSApple OSS Distributions 		CHECK(view[3] == T{3});
29*2c2f96dcSApple OSS Distributions 		CHECK(view[4] == T{4});
30*2c2f96dcSApple OSS Distributions 	}
31*2c2f96dcSApple OSS Distributions }
32*2c2f96dcSApple OSS Distributions 
33*2c2f96dcSApple OSS Distributions T_DECL(operator_subscript, "bounded_array_ref.operator.subscript") {
34*2c2f96dcSApple OSS Distributions 	tests<T>();
35*2c2f96dcSApple OSS Distributions }
36