50 lines
1.1 KiB
Rust
50 lines
1.1 KiB
Rust
use dust_lang::{
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abstract_tree::{Block, Expression, Identifier, Statement, Type},
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error::{Error, TypeCheckError, ValidationError},
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*,
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};
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#[test]
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fn set_and_get_variable() {
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assert_eq!(
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interpret("foobar = true; foobar"),
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Ok(Some(Value::boolean(true)))
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);
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}
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#[test]
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fn set_variable_with_type() {
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assert_eq!(
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interpret("foobar: bool = true; foobar"),
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Ok(Some(Value::boolean(true)))
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);
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}
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#[test]
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fn set_variable_with_type_error() {
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assert_eq!(
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interpret("foobar: str = true"),
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Err(vec![Error::Validation {
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error: ValidationError::TypeCheck(TypeCheckError {
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actual: Type::Boolean,
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expected: Type::String
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}),
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span: (0..18).into()
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}])
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);
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}
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#[test]
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fn function_variable() {
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assert_eq!(
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interpret("foobar = (x: int): int { x }; foobar"),
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Ok(Some(Value::function(
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vec![(Identifier::new("x"), Type::Integer)],
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Type::Integer,
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Block::new(vec![Statement::Expression(Expression::Identifier(
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Identifier::new("x")
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))])
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)))
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);
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}
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