1
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dust/dust-lang/tests/native_functions.rs
2024-11-06 15:40:37 -05:00

60 lines
1.5 KiB
Rust

use dust_lang::*;
#[test]
fn panic() {
let source = "panic(\"Goodbye world!\", 42)";
assert_eq!(
compile(source),
Ok(Chunk::with_data(
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(true), Span(27, 27))
],
vec![Value::string("Goodbye world!"), Value::integer(42)],
vec![]
)),
);
assert_eq!(
run(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,
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![Value::integer(42)],
vec![]
)),
);
assert_eq!(run(source), Ok(Some(Value::string("42"))))
}