21 lines
683 B
Rust
21 lines
683 B
Rust
|
|
use crate::parser::NyashParser;
|
||
|
|
use crate::ast::ASTNode;
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn parse_bitops_and_shift_precedence() {
|
||
|
|
// Expression: 1 + 2 << 3 & 7
|
||
|
|
// Precedence: shift before add, then &: (1 + (2 << 3)) & 7
|
||
|
|
let code = "return 1 + 2 << 3 & 7";
|
||
|
|
let ast = NyashParser::parse_from_string(code).expect("parse ok");
|
||
|
|
// Just ensure it parses into a Program and contains a Return; deeper tree checks are optional here
|
||
|
|
fn has_return(n: &ASTNode) -> bool {
|
||
|
|
match n {
|
||
|
|
ASTNode::Program { statements, .. } => statements.iter().any(has_return),
|
||
|
|
ASTNode::Return { .. } => true,
|
||
|
|
_ => false,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
assert!(has_return(&ast));
|
||
|
|
}
|
||
|
|
|