dust/dust-lang/tests/math_modulo.rs

use dust_lang::*;

#[test]
fn modulo_floats() {
    let source = "2.0 % 2.0";

    assert_eq!(
        compile(source),
        Ok(Chunk::with_data(
            None,
            FunctionType {
                type_parameters: None,
                value_parameters: None,
                return_type: Type::Float,
            },
            vec![
                (
                    Instruction::modulo(0, Argument::Constant(0), Argument::Constant(0)),
                    Span(4, 5)
                ),
                (Instruction::r#return(true), Span(9, 9))
            ],
            vec![ConcreteValue::Float(2.0)],
            vec![]
        ))
    );

    assert_eq!(run(source), Ok(Some(ConcreteValue::Float(0.0))));
}

#[test]
fn modulo_integers() {
    let source = "2 % 2";

    assert_eq!(
        compile(source),
        Ok(Chunk::with_data(
            None,
            FunctionType {
                type_parameters: None,
                value_parameters: None,
                return_type: Type::Integer,
            },
            vec![
                (
                    Instruction::modulo(0, Argument::Constant(0), Argument::Constant(0)),
                    Span(2, 3)
                ),
                (Instruction::r#return(true), Span(5, 5))
            ],
            vec![ConcreteValue::Integer(2)],
            vec![]
        ))
    );

    assert_eq!(run(source), Ok(Some(ConcreteValue::Integer(0))));
}