container:

* review dense_hash_map_iterator::operator[]
* review dense_hash_set_iterator::operator[]
* code coverage

src/entt/container/dense_hash_map.hpp

@@ -98,7 +98,7 @@ public:
     }
 
     [[nodiscard]] reference operator[](const difference_type value) const {
-        return it->element;
+        return it[value].element;
     }
 
     [[nodiscard]] pointer operator->() const {

src/entt/container/dense_hash_set.hpp

@@ -98,7 +98,7 @@ public:
     }
 
     [[nodiscard]] reference operator[](const difference_type value) const {
-        return it->element;
+        return it[value].element;
     }
 
     [[nodiscard]] pointer operator->() const {

test/entt/container/dense_hash_map.cpp

@@ -215,6 +215,12 @@ TEST(DenseHashMap, Iterator) {
 
     ASSERT_GT(end, begin);
     ASSERT_GE(end, map.end());
+
+    map.emplace(42, 3);
+    begin = map.begin();
+
+    ASSERT_EQ(begin[0u].first, 3);
+    ASSERT_EQ(begin[1u].second, 3);
 }
 
 TEST(DenseHashMap, ConstIterator) {
@@ -262,6 +268,12 @@ TEST(DenseHashMap, ConstIterator) {
 
     ASSERT_GT(cend, cbegin);
     ASSERT_GE(cend, map.cend());
+
+    map.emplace(42, 3);
+    cbegin = map.cbegin();
+
+    ASSERT_EQ(cbegin[0u].first, 3);
+    ASSERT_EQ(cbegin[1u].second, 3);
 }
 
 TEST(DenseHashMap, IteratorConversion) {

test/entt/container/dense_hash_set.cpp

@@ -207,6 +207,12 @@ TEST(DenseHashSet, Iterator) {
 
     ASSERT_GT(end, begin);
     ASSERT_GE(end, set.end());
+
+    set.emplace(42);
+    begin = set.begin();
+
+    ASSERT_EQ(begin[0u], 3);
+    ASSERT_EQ(begin[1u], 42);
 }
 
 TEST(DenseHashSet, ConstIterator) {
@@ -254,6 +260,12 @@ TEST(DenseHashSet, ConstIterator) {
 
     ASSERT_GT(cend, cbegin);
     ASSERT_GE(cend, set.cend());
+
+    set.emplace(42);
+    cbegin = set.cbegin();
+
+    ASSERT_EQ(cbegin[0u], 3);
+    ASSERT_EQ(cbegin[1u], 42);
 }
 
 TEST(DenseHashSet, IteratorConversion) {