#include
#include
#include
#include "catch.hpp"
using iter::impl::IterIterWrapper;
TEST_CASE("Iterator over a vector of vector iterators", "[iteratoriterator]") {
using std::vector;
vector v = {2, 4, 6, 8};
IterIterWrapper::iterator>> itr;
itr.get().push_back(std::begin(v) + 1);
itr.get().push_back(std::end(v) - 1);
itr.get().push_back(std::begin(v));
auto it = std::begin(itr);
REQUIRE(*it == 4);
REQUIRE(it != std::end(itr));
++it;
REQUIRE(*it == 8);
it++;
REQUIRE(*it == 2);
++it;
REQUIRE(it == std::end(itr));
REQUIRE(itr[0] == 4);
REQUIRE(itr[1] == 8);
REQUIRE(itr[2] == 2);
auto rit = itr.rbegin();
REQUIRE(*rit == 2);
REQUIRE(rit != itr.rend());
++rit;
REQUIRE(*rit == 8);
++rit;
REQUIRE(*rit == 4);
++rit;
REQUIRE(rit == itr.rend());
}
TEST_CASE("IteratorIterator operator->", "[iteratoriterator]") {
using std::vector;
using std::string;
vector v = {"hello", "everyone"};
IterIterWrapper::iterator>> itritr;
itritr.get().push_back(std::end(v) - 1);
itritr.get().push_back(std::begin(v));
auto it = std::begin(itritr);
REQUIRE(it->size() == 8);
}
TEST_CASE("Iterate over a vector of string iterators", "[iteratoriterator]") {
std::string str = "hello world";
IterIterWrapper<:vector>> itritr;
auto it = std::begin(itritr);
static_assert(std::is_same::reference>::value,
"iterator is mis marked");
}