84 lines
2.1 KiB
Rust
84 lines
2.1 KiB
Rust
use dust_lang::*;
|
|
|
|
#[test]
|
|
fn constant() {
|
|
let source = "42";
|
|
|
|
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), Span(0, 2)),
|
|
(Instruction::r#return(true), Span(2, 2))
|
|
],
|
|
vec![ConcreteValue::Integer(42)],
|
|
vec![]
|
|
))
|
|
);
|
|
|
|
assert_eq!(run(source), Ok(Some(ConcreteValue::Integer(42))));
|
|
}
|
|
|
|
#[test]
|
|
fn empty() {
|
|
let source = "";
|
|
|
|
assert_eq!(
|
|
compile(source),
|
|
Ok(Chunk::with_data(
|
|
None,
|
|
FunctionType {
|
|
type_parameters: None,
|
|
value_parameters: None,
|
|
return_type: Box::new(Type::None)
|
|
},
|
|
vec![(Instruction::r#return(false), Span(0, 0))],
|
|
vec![],
|
|
vec![]
|
|
))
|
|
);
|
|
assert_eq!(run(source), Ok(None));
|
|
}
|
|
|
|
#[test]
|
|
fn parentheses_precedence() {
|
|
let source = "(1 + 2) * 3";
|
|
|
|
assert_eq!(
|
|
compile(source),
|
|
Ok(Chunk::with_data(
|
|
None,
|
|
FunctionType {
|
|
type_parameters: None,
|
|
value_parameters: None,
|
|
return_type: Box::new(Type::Integer)
|
|
},
|
|
vec![
|
|
(
|
|
Instruction::add(0, Argument::Constant(0), Argument::Constant(1)),
|
|
Span(3, 4)
|
|
),
|
|
(
|
|
Instruction::multiply(1, Argument::Register(0), Argument::Constant(2)),
|
|
Span(8, 9)
|
|
),
|
|
(Instruction::r#return(true), Span(11, 11)),
|
|
],
|
|
vec![
|
|
ConcreteValue::Integer(1),
|
|
ConcreteValue::Integer(2),
|
|
ConcreteValue::Integer(3)
|
|
],
|
|
vec![]
|
|
))
|
|
);
|
|
|
|
assert_eq!(run(source), Ok(Some(ConcreteValue::Integer(9))));
|
|
}
|