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support dereferencing shared_ptrs and unique_ptrs

This commit is contained in:
Qunxin Liu 2022-09-26 13:01:20 -07:00 committed by Behdad Esfahbod
parent d5829b3ce2
commit c335bf469f
2 changed files with 29 additions and 0 deletions
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12
src/hb-meta.hh
View File

@ -133,6 +133,18 @@ struct
template <typename T> constexpr auto
operator () (T *v) const HB_AUTO_RETURN (*v)
template <typename T> constexpr auto
operator () (const hb::shared_ptr<T>& v) const HB_AUTO_RETURN (*v)
template <typename T> constexpr auto
operator () (hb::shared_ptr<T>& v) const HB_AUTO_RETURN (*v)
template <typename T> constexpr auto
operator () (const hb::unique_ptr<T>& v) const HB_AUTO_RETURN (*v)
template <typename T> constexpr auto
operator () (hb::unique_ptr<T>& v) const HB_AUTO_RETURN (*v)
}
HB_FUNCOBJ (hb_deref);

17
src/test-map.cc
View File

@ -222,6 +222,23 @@ main (int argc, char **argv)
hb::unique_ptr<hb_hashmap_t<int, int>> *v2;
m.has (0, &v2);
}
/* Test hashmap with complex shared_ptrs as keys. */
{
hb_hashmap_t<hb::shared_ptr<hb_map_t>, unsigned> m;
hb_map_t *m1 = hb_map_create ();
hb_map_t *m2 = hb_map_create ();
m1->set (1,3);
m2->set (1,3);
hb::shared_ptr<hb_map_t> p1 {m1};
hb::shared_ptr<hb_map_t> p2 {m2};
m.set (p1,1);
assert (m.has (p2));
m1->set (2,4);
assert (!m.has (p2));
}
return 0;
}