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test: improve test coverage

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This commit is contained in:
Amaan Qureshi 2025-01-17 12:19:08 -05:00
parent 6e88672dac
commit 6941497c7a
1 changed files with 64 additions and 0 deletions
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64
cli/src/tests/node_test.rs
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@ -331,6 +331,49 @@ fn test_next_sibling_of_zero_width_node() {
assert_eq!(missing_c.kind(), "c");
let node_d = root_node.child(3).unwrap();
assert_eq!(missing_c.next_sibling().unwrap(), node_d);
let prev_sibling = node_d.prev_sibling().unwrap();
assert_eq!(prev_sibling, missing_c);
}
#[test]
fn test_first_child_for_offset() {
let mut parser = Parser::new();
parser.set_language(&get_language("javascript")).unwrap();
let tree = parser.parse("x10 + 100", None).unwrap();
let sum_node = tree.root_node().child(0).unwrap().child(0).unwrap();
assert_eq!(
sum_node.first_child_for_byte(0).unwrap().kind(),
"identifier"
);
assert_eq!(
sum_node.first_child_for_byte(1).unwrap().kind(),
"identifier"
);
assert_eq!(sum_node.first_child_for_byte(3).unwrap().kind(), "+");
assert_eq!(sum_node.first_child_for_byte(5).unwrap().kind(), "number");
}
#[test]
fn test_first_named_child_for_offset() {
let mut parser = Parser::new();
parser.set_language(&get_language("javascript")).unwrap();
let tree = parser.parse("x10 + 100", None).unwrap();
let sum_node = tree.root_node().child(0).unwrap().child(0).unwrap();
assert_eq!(
sum_node.first_named_child_for_byte(0).unwrap().kind(),
"identifier"
);
assert_eq!(
sum_node.first_named_child_for_byte(1).unwrap().kind(),
"identifier"
);
assert_eq!(
sum_node.first_named_child_for_byte(3).unwrap().kind(),
"number"
);
}
#[test]
@ -711,6 +754,13 @@ fn test_node_descendant_for_range() {
assert_eq!(child, child2);
}
// Negative test, start > end
assert_eq!(array_node.descendant_for_byte_range(1, 0), None);
assert_eq!(
array_node.descendant_for_point_range(Point::new(6, 8), Point::new(6, 7)),
None
);
}
#[test]
@ -788,6 +838,20 @@ fn test_node_is_extra() {
assert!(comment_node.is_extra());
}
#[test]
fn test_node_is_error() {
let mut parser = Parser::new();
parser.set_language(&get_language("javascript")).unwrap();
let tree = parser.parse("foo(", None).unwrap();
let root_node = tree.root_node();
assert_eq!(root_node.kind(), "program");
assert!(root_node.has_error());
let child = root_node.child(0).unwrap();
assert_eq!(child.kind(), "ERROR");
assert!(child.is_error());
}
#[test]
fn test_node_sexp() {
let mut parser = Parser::new();