1
0
dust/dust-lang/tests/native_functions.rs
2024-11-17 20:32:53 -05:00

73 lines
2.0 KiB
Rust

use dust_lang::*;
#[test]
fn panic() {
let source = "panic(\"Goodbye world!\", 42)";
assert_eq!(
compile(source),
Ok(Chunk::with_data(
None,
FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::None),
},
vec![
(Instruction::load_constant(0, 0, false), Span(6, 22)),
(Instruction::load_constant(1, 1, false), Span(24, 26)),
(
Instruction::call_native(2, NativeFunction::Panic, 2),
Span(0, 27)
),
(Instruction::r#return(false), Span(27, 27))
],
vec![
ConcreteValue::string("Goodbye world!"),
ConcreteValue::Integer(42)
],
vec![]
)),
);
assert_eq!(
run_source(source),
Err(DustError::Runtime {
error: VmError::NativeFunction(NativeFunctionError::Panic {
message: Some("Goodbye world! 42".to_string()),
position: Span(0, 27)
}),
source
})
)
}
#[test]
fn to_string() {
let source = "to_string(42)";
assert_eq!(
compile(source),
Ok(Chunk::with_data(
None,
FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::String { length: None }),
},
vec![
(Instruction::load_constant(0, 0, false), Span(10, 12)),
(
Instruction::call_native(1, NativeFunction::ToString, 1),
Span(0, 13)
),
(Instruction::r#return(true), Span(13, 13))
],
vec![ConcreteValue::Integer(42)],
vec![]
)),
);
assert_eq!(run_source(source), Ok(Some(ConcreteValue::string("42"))))
}