60 lines
1.5 KiB
Rust
60 lines
1.5 KiB
Rust
use dust_lang::{
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abstract_tree::{Block, Expression, Statement, Type, WithPos},
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context::Context,
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error::{DustError, TypeConflict, ValidationError},
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identifier::Identifier,
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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("test", "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("test", "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("test", "foobar: str = true")
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.unwrap_err()
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.errors(),
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&vec![DustError::Validation {
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error: ValidationError::TypeCheck {
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conflict: TypeConflict {
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actual: Type::Boolean,
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expected: Type::String
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},
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actual_position: (14, 18).into(),
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expected_position: Some((8, 11).into())
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},
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position: (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("test", "foobar = fn (x: int) -> int { x }; foobar"),
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Ok(Some(Value::function(
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None,
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vec![(Identifier::new("x"), Type::Integer)],
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Some(Type::Integer),
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Block::new(vec![Statement::Expression(Expression::Identifier(
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Identifier::new("x").with_position((30, 31))
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))]),
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Context::new(None)
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)))
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);
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}
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