Merge pull request #100954 from Bromeon/bugfix/nodepath-slice

Fix `NodePath::slice()` incorrect behavior for subname indexing
This commit is contained in:
Rémi Verschelde 2025-01-10 23:05:56 +01:00
commit ad74e337b9
2 changed files with 11 additions and 8 deletions

View file

@ -255,7 +255,7 @@ NodePath NodePath::slice(int p_begin, int p_end) const {
if (end < 0) {
end += total_count;
}
const int sub_begin = MAX(begin - name_count - 1, 0);
const int sub_begin = MAX(begin - name_count, 0);
const int sub_end = MAX(end - name_count, 0);
const Vector<StringName> names = get_names().slice(begin, end);

View file

@ -169,28 +169,31 @@ TEST_CASE("[NodePath] Empty path") {
}
TEST_CASE("[NodePath] Slice") {
const NodePath node_path_relative = NodePath("Parent/Child:prop");
const NodePath node_path_relative = NodePath("Parent/Child:prop:subprop");
const NodePath node_path_absolute = NodePath("/root/Parent/Child:prop");
CHECK_MESSAGE(
node_path_relative.slice(0, 2) == NodePath("Parent/Child"),
"The slice lower bound should be inclusive and the slice upper bound should be exclusive.");
CHECK_MESSAGE(
node_path_relative.slice(3) == NodePath(":prop"),
"Slicing on the length of the path should return the last entry.");
node_path_relative.slice(3) == NodePath(":subprop"),
"Slicing on the last index (length - 1) should return the last entry.");
CHECK_MESSAGE(
node_path_relative.slice(1) == NodePath("Child:prop:subprop"),
"Slicing without upper bound should return remaining entries after index.");
CHECK_MESSAGE(
node_path_relative.slice(1, 3) == NodePath("Child:prop"),
"Slicing should include names and subnames.");
CHECK_MESSAGE(
node_path_relative.slice(-1) == NodePath(":prop"),
node_path_relative.slice(-1) == NodePath(":subprop"),
"Slicing on -1 should return the last entry.");
CHECK_MESSAGE(
node_path_relative.slice(0, -1) == NodePath("Parent/Child"),
node_path_relative.slice(0, -1) == NodePath("Parent/Child:prop"),
"Slicing up to -1 should include the second-to-last entry.");
CHECK_MESSAGE(
node_path_relative.slice(-2, -1) == NodePath("Child"),
node_path_relative.slice(-2, -1) == NodePath(":prop"),
"Slicing from negative to negative should treat lower bound as inclusive and upper bound as exclusive.");
CHECK_MESSAGE(
node_path_relative.slice(0, 10) == NodePath("Parent/Child:prop"),
node_path_relative.slice(0, 10) == NodePath("Parent/Child:prop:subprop"),
"Slicing past the length of the path should work like slicing up to the last entry.");
CHECK_MESSAGE(
node_path_relative.slice(-10, 2) == NodePath("Parent/Child"),