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Add ts_tree_root_node_with_offset API

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This commit is contained in:
Max Brunsfeld 2022-08-18 13:48:47 -07:00
parent a882d0b036
commit 477b667753
5 changed files with 71 additions and 0 deletions
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28
cli/src/tests/node_test.rs
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@ -529,6 +529,34 @@ fn test_node_edit() {
}
}
#[test]
fn test_root_node_with_offset() {
let mut parser = Parser::new();
parser.set_language(get_language("javascript")).unwrap();
let tree = parser.parse(" if (a) b", None).unwrap();
let node = tree.root_node_with_offset(6, Point::new(2, 2));
assert_eq!(node.byte_range(), 8..16);
assert_eq!(node.start_position(), Point::new(2, 4));
assert_eq!(node.end_position(), Point::new(2, 12));
let child = node.child(0).unwrap().child(2).unwrap();
assert_eq!(child.kind(), "expression_statement");
assert_eq!(child.byte_range(), 15..16);
assert_eq!(child.start_position(), Point::new(2, 11));
assert_eq!(child.end_position(), Point::new(2, 12));
let mut cursor = node.walk();
cursor.goto_first_child();
cursor.goto_first_child();
cursor.goto_next_sibling();
let child = cursor.node();
assert_eq!(child.kind(), "parenthesized_expression");
assert_eq!(child.byte_range(), 11..14);
assert_eq!(child.start_position(), Point::new(2, 7));
assert_eq!(child.end_position(), Point::new(2, 10));
}
#[test]
fn test_node_is_extra() {
let mut parser = Parser::new();