1
0
dust/dust-lang/tests/logic.rs

93 lines
2.9 KiB
Rust

use dust_lang::*;
#[test]
fn and() {
let source = "true && false";
assert_eq!(
compile(source),
Ok(Chunk::with_data(
None,
FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::Boolean),
},
vec![
(Instruction::load_boolean(0, true, false), Span(0, 4)),
(Instruction::test(0, true), Span(5, 7)),
(Instruction::jump(1, true), Span(5, 7)),
(Instruction::load_boolean(1, false, false), Span(8, 13)),
(Instruction::r#return(true), Span(13, 13)),
],
vec![],
vec![]
))
);
assert_eq!(run_source(source), Ok(Some(ConcreteValue::Boolean(false))));
}
#[test]
fn or() {
let source = "true || false";
assert_eq!(
compile(source),
Ok(Chunk::with_data(
None,
FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::Boolean),
},
vec![
(Instruction::load_boolean(0, true, false), Span(0, 4)),
(Instruction::test(0, false), Span(5, 7)),
(Instruction::jump(1, true), Span(5, 7)),
(Instruction::load_boolean(1, false, false), Span(8, 13)),
(Instruction::r#return(true), Span(13, 13)),
],
vec![],
vec![]
))
);
assert_eq!(run_source(source), Ok(Some(ConcreteValue::Boolean(true))));
}
#[test]
fn variable_and() {
let source = "let a = true; let b = false; a && b";
assert_eq!(
compile(source),
Ok(Chunk::with_data(
None,
FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::Boolean),
},
vec![
(Instruction::load_boolean(0, true, false), Span(8, 12)),
(Instruction::define_local(0, 0, false), Span(4, 5)),
(Instruction::load_boolean(1, false, false), Span(22, 27)),
(Instruction::define_local(1, 1, false), Span(18, 19)),
(Instruction::get_local(2, 0), Span(29, 30)),
(Instruction::test(2, true), Span(31, 33)),
(Instruction::jump(1, true), Span(31, 33)),
(Instruction::get_local(3, 1), Span(34, 35)),
(Instruction::r#return(true), Span(35, 35)),
],
vec![ConcreteValue::string("a"), ConcreteValue::string("b"),],
vec![
Local::new(0, Type::Boolean, false, Scope::default()),
Local::new(1, Type::Boolean, false, Scope::default()),
]
))
);
assert_eq!(run_source(source), Ok(Some(ConcreteValue::Boolean(false))));
}