62 lines
1.7 KiB
Rust
62 lines
1.7 KiB
Rust
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use pretty_assertions::assert_eq;
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use tree_sitter::Parser;
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use crate::{
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generate::generate_parser_for_grammar,
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tests::helpers::fixtures::{fixtures_dir, get_test_language},
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};
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#[test]
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fn test_grammar_that_should_hang_and_not_segfault() {
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use std::sync::mpsc;
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let (tx, rx) = mpsc::channel();
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std::thread::spawn(move || {
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let (parser_name, parser_code) = generate_parser_for_grammar(
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r#"
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{
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"name": "get_col_should_hang_not_crash",
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"rules": {
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"source_file": {
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"type": "SEQ",
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"members": [ { "type": "SYMBOL", "name": "test" } ]
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}
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},
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"extras": [ { "type": "PATTERN", "value": "\\s" } ],
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"externals": [ { "type": "SYMBOL", "name": "test" } ]
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}
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"#,
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)
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.unwrap();
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let mut parser = Parser::new();
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parser
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.set_language(get_test_language(
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&parser_name,
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&parser_code,
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Some(
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fixtures_dir()
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.join("test_grammars")
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.join("get_col_should_hang_not_crash")
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.as_path(),
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),
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))
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.unwrap();
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let code_that_should_hang = "\nHello";
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parser.parse(code_that_should_hang, None).unwrap();
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// Won't be reached
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let _ = tx.send(());
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});
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// Ok signifies that it did not hang
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// RecvTimeoutError::Disconnected signifies that the parser thread exited unexpectedly (crashed)
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assert_eq!(
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rx.recv_timeout(std::time::Duration::from_secs(5)),
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Err(mpsc::RecvTimeoutError::Timeout)
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);
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}
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