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