1
0
dust/dust-lang/tests/loops.rs
2024-11-27 21:13:35 -05:00

54 lines
1.7 KiB
Rust

use dust_lang::*;
#[test]
fn r#while() {
let source = "let mut x = 0; while x < 5 { x = x + 1 } x";
assert_eq!(
compile(source),
Ok(Chunk::with_data(
None,
FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::Integer),
},
vec![
(
Instruction::load_constant(0, 0, false),
Type::Integer,
Span(12, 13)
),
(
Instruction::define_local(0, 0, true),
Type::None,
Span(8, 9)
),
(
Instruction::less(true, Argument::Register(0), Argument::Constant(2)),
Type::Integer,
Span(23, 24)
),
(Instruction::jump(2, true), Type::None, Span(41, 42)),
(
Instruction::add(0, Argument::Register(0), Argument::Constant(3)),
Type::Integer,
Span(35, 36)
),
(Instruction::jump(3, false), Type::None, Span(41, 42)),
(Instruction::get_local(1, 0), Type::Integer, Span(41, 42)),
(Instruction::r#return(true), Type::None, Span(42, 42)),
],
vec![
ConcreteValue::Integer(0),
ConcreteValue::string("x"),
ConcreteValue::Integer(5),
ConcreteValue::Integer(1),
],
vec![Local::new(1, Type::Integer, true, Scope::default())]
)),
);
assert_eq!(run(source), Ok(Some(ConcreteValue::Integer(5))));
}