36 lines
1.2 KiB
Rust
36 lines
1.2 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,
|
|
vec![
|
|
(Instruction::load_constant(0, 0, false), Span(12, 13)),
|
|
(Instruction::define_local(0, 0, true), Span(8, 9)),
|
|
(
|
|
*Instruction::less(true, 0, 2).set_c_is_constant(),
|
|
Span(23, 24)
|
|
),
|
|
(Instruction::jump(2, true), Span(41, 42)),
|
|
(*Instruction::add(0, 0, 3).set_c_is_constant(), Span(35, 36)),
|
|
(Instruction::jump(3, false), Span(41, 42)),
|
|
(Instruction::get_local(1, 0), Span(41, 42)),
|
|
(Instruction::r#return(true), 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))));
|
|
}
|