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Update test to use two implicitly convertible types (const and non-const iterators) and the associated compile-time tests

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LeonineKing1199
2021-12-07 10:48:09 -08:00
parent 4041d06e95
commit ea5cabb27f
1 changed files with 19 additions and 2 deletions
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21
test/unordered/transparent_tests.cpp
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@ -521,6 +521,14 @@ template <class UnorderedMap> void test_non_transparent_equal_range()
} }
template <class UnorderedMap> struct convertible_to_iterator template <class UnorderedMap> struct convertible_to_iterator
{
operator typename UnorderedMap::iterator()
{
return typename UnorderedMap::iterator();
}
};
template <class UnorderedMap> struct convertible_to_const_iterator
{ {
operator typename UnorderedMap::const_iterator() operator typename UnorderedMap::const_iterator()
{ {
@ -539,6 +547,15 @@ transparent_unordered_map::iterator erase_overload_compile_test()
{ {
convertible_to_iterator<transparent_unordered_map> c; convertible_to_iterator<transparent_unordered_map> c;
transparent_unordered_map map; transparent_unordered_map map;
transparent_unordered_map::iterator pos = map.begin();
pos = c;
return map.erase(c);
}
transparent_unordered_map::const_iterator erase_const_overload_compile_test()
{
convertible_to_const_iterator<transparent_unordered_map> c;
transparent_unordered_map map;
transparent_unordered_map::const_iterator pos = map.begin(); transparent_unordered_map::const_iterator pos = map.begin();
pos = c; pos = c;
return map.erase(c); return map.erase(c);
@ -624,9 +641,9 @@ template <class UnorderedMap> void test_non_transparent_erase()
// still invoke the correct iterator overloads when the type is implicitly // still invoke the correct iterator overloads when the type is implicitly
// convertible // convertible
// //
transparent_unordered_map::node_type extract_overload_compile_test() transparent_unordered_map::node_type extract_const_overload_compile_test()
{ {
convertible_to_iterator<transparent_unordered_map> c; convertible_to_const_iterator<transparent_unordered_map> c;
transparent_unordered_map map; transparent_unordered_map map;
transparent_unordered_map::const_iterator pos = map.begin(); transparent_unordered_map::const_iterator pos = map.begin();
pos = c; pos = c;