test(binding_rust): test query captures/matches lifetime is separate from nodes lifetime

This commit is contained in:
Andrew Hlynskyi 2021-04-22 19:18:51 +03:00
parent ca6e8d9341
commit 2d9a2a1855

View file

@ -3036,6 +3036,57 @@ fn test_query_capture_names() {
});
}
#[test]
fn test_query_lifetime_is_separate_from_nodes_lifetime() {
allocations::record(|| {
let query = r#"(call_expression) @call"#;
let source = "a(1); b(2);";
let language = get_language("javascript");
let mut parser = Parser::new();
parser.set_language(language).unwrap();
let tree = parser.parse(&source, None).unwrap();
let query = Query::new(language, query).unwrap();
fn take_first_node_from_captures<'tree>(
source: &str,
query: &Query,
node: Node<'tree>,
) -> Node<'tree> {
let mut cursor = QueryCursor::new();
let node = cursor
.matches(&query, node, to_callback(source))
.next()
.unwrap()
.captures[0]
.node;
node
}
let node = take_first_node_from_captures(source, &query, tree.root_node());
assert_eq!(node.kind(), "call_expression");
fn take_first_node_from_matches<'tree>(
source: &str,
query: &Query,
node: Node<'tree>,
) -> Node<'tree> {
let mut cursor = QueryCursor::new();
let node = cursor
.captures(&query, node, to_callback(source))
.next()
.unwrap()
.0
.captures[0]
.node;
node
}
let node = take_first_node_from_matches(source, &query, tree.root_node());
assert_eq!(node.kind(), "call_expression");
});
}
#[test]
fn test_query_with_no_patterns() {
allocations::record(|| {