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dust/dust-lang/tests/unary_operations.rs

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Rust
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use dust_lang::*;
#[test]
fn negate() {
let source = "-(42)";
assert_eq!(
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compile(source),
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Ok(Chunk::with_data(
None,
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FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::Integer),
},
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vec![
(*Instruction::negate(0, 0).set_b_is_constant(), Span(0, 1)),
(Instruction::r#return(true), Span(5, 5)),
],
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vec![ConcreteValue::Integer(42)],
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vec![]
)),
);
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assert_eq!(run_source(source), Ok(Some(ConcreteValue::Integer(-42))));
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}
#[test]
fn not() {
let source = "!true";
assert_eq!(
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compile(source),
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Ok(Chunk::with_data(
None,
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FunctionType {
type_parameters: None,
value_parameters: None,
return_type: Box::new(Type::Boolean),
},
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vec![
(Instruction::load_boolean(0, true, false), Span(1, 5)),
(Instruction::not(1, 0), Span(0, 1)),
(Instruction::r#return(true), Span(5, 5)),
],
vec![],
vec![]
)),
);
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assert_eq!(run_source(source), Ok(Some(ConcreteValue::Boolean(false))));
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}