dust/tests/assignment.rs
2024-01-31 21:21:42 -05:00

58 lines
1.1 KiB
Rust

use dust_lang::{error::ValidationError, *};
#[test]
fn simple_assignment() {
let test = interpret("x = 1 x");
assert_eq!(Ok(Value::Integer(1)), test);
}
#[test]
fn simple_assignment_with_type() {
let test = interpret("x <int> = 1 x");
assert_eq!(Ok(Value::Integer(1)), test);
}
#[test]
fn list_add_assign() {
let test = interpret(
"
x <[int]> = []
x += 1
x
",
);
assert_eq!(
Ok(Value::List(List::with_items(vec![Value::Integer(1)]))),
test
);
}
#[test]
fn list_add_wrong_type() {
let result = interpret(
"
x <[str]> = []
x += 1
",
);
assert_eq!(
Err(Error::Validation(ValidationError::TypeCheck {
expected: Type::String,
actual: Type::Integer,
position: SourcePosition {
start_byte: 40,
end_byte: 46,
start_row: 3,
start_column: 12,
end_row: 3,
end_column: 18
}
})),
result
);
}