#include <libkern/c++/bounded_ptr.h>
#include <array>
#include <darwintest.h>
#include <darwintest_utils.h>
#include "test_utils.h"
#define _assert(...) T_ASSERT_TRUE((__VA_ARGS__), # __VA_ARGS__)
struct T {
int i;
};
template <typename T, typename QualT>
static void
tests()
{
std::array<T, 5> array = {T{0}, T{1}, T{2}, T{3}, T{4}};
{
test_bounded_ptr<QualT> const ptr(array.begin(), array.begin(), array.end());
{
test_bounded_ptr<QualT> res = ptr + 0;
_assert(&*res == &array[0]);
}
{
test_bounded_ptr<QualT> res = ptr + 1;
_assert(&*res == &array[1]);
}
{
test_bounded_ptr<QualT> res = ptr + 2;
_assert(&*res == &array[2]);
}
{
test_bounded_ptr<QualT> res = ptr + 3;
_assert(&*res == &array[3]);
}
{
test_bounded_ptr<QualT> res = ptr + 4;
_assert(&*res == &array[4]);
}
{
test_bounded_ptr<QualT> res = ptr + 5;
_assert(res == array.end());
}
}
{
test_bounded_ptr<QualT> const ptr(array.end(), array.begin(), array.end());
{
test_bounded_ptr<QualT> res = ptr + 0;
_assert(res == array.end());
}
{
test_bounded_ptr<QualT> res = ptr + -1;
_assert(&*res == &array[4]);
}
{
test_bounded_ptr<QualT> res = ptr + -2;
_assert(&*res == &array[3]);
}
{
test_bounded_ptr<QualT> res = ptr + -3;
_assert(&*res == &array[2]);
}
{
test_bounded_ptr<QualT> res = ptr + -4;
_assert(&*res == &array[1]);
}
{
test_bounded_ptr<QualT> res = ptr + -5;
_assert(&*res == &array[0]);
}
}
{
test_bounded_ptr<QualT> const ptr(array.begin() + 1, array.begin(), array.end());
(void)(ptr + 3);
_assert(&*ptr == &array[1]);
}
{
{
test_bounded_ptr<QualT> const ptr(array.begin(), array.begin(), array.end());
test_bounded_ptr<QualT> res = 0 + ptr;
_assert(&*res == &array[0]);
}
{
test_bounded_ptr<QualT> const ptr(array.begin(), array.begin(), array.end());
test_bounded_ptr<QualT> res = 3 + ptr;
_assert(&*res == &array[3]);
}
{
test_bounded_ptr<QualT> const ptr(array.begin() + 3, array.begin(), array.end());
test_bounded_ptr<QualT> res = -2 + ptr;
_assert(&*res == &array[1]);
}
}
}
T_DECL(arith_add, "bounded_ptr.arith.add") {
tests<T, T>();
tests<T, T const>();
tests<T, T volatile>();
tests<T, T const volatile>();
}