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Merge pull request #74730 from MarioLiebisch/fix-74726 

Fix read-only dictionaries adding missing keys
This commit is contained in:
Rémi Verschelde 2023-06-19 21:38:38 +02:00
parent c211c22abc 62e1a5e235
commit 867ea7fe59
No known key found for this signature in database
GPG Key ID: C3336907360768E1
2 changed files with 15 additions and 2 deletions
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9
core/variant/dictionary.cpp
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@ -83,9 +83,16 @@ Variant &Dictionary::operator[](const Variant &p_key) {
if (unlikely(_p->read_only)) {
if (p_key.get_type() == Variant::STRING_NAME) {
const StringName *sn = VariantInternal::get_string_name(&p_key);
*_p->read_only = _p->variant_map[sn->operator String()];
const String &key = sn->operator String();
if (likely(_p->variant_map.has(key))) {
*_p->read_only = _p->variant_map[key];
} else {
*_p->read_only = Variant();
}
} else if (likely(_p->variant_map.has(p_key))) {
*_p->read_only = _p->variant_map[p_key];
} else {
*_p->read_only = Variant();
}
return *_p->read_only;

6
tests/core/variant/test_dictionary.h
View File

@ -88,6 +88,12 @@ TEST_CASE("[Dictionary] Assignment using bracket notation ([])") {
CHECK(int(map[0]) == 400);
// Check that assigning 0 doesn't overwrite the value for `false`.
CHECK(int(map[false]) == 128);
// Ensure read-only maps aren't modified by non-existing keys.
const auto length = map.size();
map.make_read_only();
CHECK(int(map["This key does not exist"].get_type()) == Variant::NIL);
CHECK(map.size() == length);
}
TEST_CASE("[Dictionary] get_key_lists()") {