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Fix ts_node_string behavior for anonymous leaf nodes

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Refs tree-sitter/py-tree-sitter#8
This commit is contained in:
Max Brunsfeld 2019-07-18 12:39:12 -07:00
parent f505613af3
commit ea515b6967
2 changed files with 27 additions and 6 deletions
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17
cli/src/tests/node_test.rs
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@ -419,6 +419,23 @@ fn test_node_is_extra() {
assert!(comment_node.is_extra());
}
#[test]
fn test_node_sexp() {
let mut parser = Parser::new();
parser.set_language(get_language("javascript")).unwrap();
let tree = parser.parse("if (a) b", None).unwrap();
let root_node = tree.root_node();
let if_node = root_node.descendant_for_byte_range(0, 0).unwrap();
let paren_node = root_node.descendant_for_byte_range(3, 3).unwrap();
let identifier_node = root_node.descendant_for_byte_range(4, 4).unwrap();
assert_eq!(if_node.kind(), "if");
assert_eq!(if_node.to_sexp(), "(\"if\")");
assert_eq!(paren_node.kind(), "(");
assert_eq!(paren_node.to_sexp(), "(\"(\")");
assert_eq!(identifier_node.kind(), "identifier");
assert_eq!(identifier_node.to_sexp(), "(identifier)");
}
#[test]
fn test_node_field_names() {
let (parser_name, parser_code) = generate_parser_for_grammar(