494 lines
11 KiB
Rust
494 lines
11 KiB
Rust
mod assignment {
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use dust_lang::*;
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#[test]
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fn simple_assignment() {
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let test = interpret("x = 1 x");
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assert_eq!(Ok(Value::Integer(1)), test);
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}
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#[test]
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fn simple_assignment_with_type() {
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let test = interpret("x <int> = 1 x");
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assert_eq!(Ok(Value::Integer(1)), test);
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}
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#[test]
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fn list_add_assign() {
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let test = interpret(
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"
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x <[int]> = []
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x += 1
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x
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",
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);
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assert_eq!(
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Ok(Value::List(List::with_items(vec![Value::Integer(1)]))),
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test
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);
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}
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#[test]
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fn list_add_wrong_type() {
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let result = interpret(
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"
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x <[str]> = []
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x += 1
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",
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);
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assert!(result.unwrap_err().is_type_check_error(&Error::TypeCheck {
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expected: Type::String,
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actual: Type::Integer
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}))
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}
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}
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mod for_loop {
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use dust_lang::*;
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#[test]
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fn simple_for_loop() {
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let result = interpret("for i in [1 2 3] { output(i) }");
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assert_eq!(Ok(Value::none()), result);
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}
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#[test]
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fn modify_value() {
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let result = interpret(
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"
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list = []
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for i in [1 2 3] { list += i }
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list
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",
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);
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assert_eq!(
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Ok(Value::List(List::with_items(vec![
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Value::Integer(1),
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Value::Integer(2),
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Value::Integer(3),
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]))),
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result
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);
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}
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}
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mod logic {
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use dust_lang::*;
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#[test]
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fn complex_logic_sequence() {
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let result =
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interpret("(length([0]) == 1) && (length([0 0]) == 2) && (length([0 0 0]) == 3)");
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assert_eq!(Ok(Value::Boolean(true)), result);
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}
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}
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mod value {
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use dust_lang::*;
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#[test]
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fn empty() {
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assert_eq!(interpret("x = 9"), Ok(Value::Option(None)));
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assert_eq!(interpret("x = 1 + 1"), Ok(Value::Option(None)));
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}
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#[test]
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fn integer() {
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assert_eq!(interpret("1"), Ok(Value::Integer(1)));
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assert_eq!(interpret("123"), Ok(Value::Integer(123)));
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assert_eq!(interpret("-666"), Ok(Value::Integer(-666)));
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}
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#[test]
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fn float() {
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assert_eq!(interpret("0.1"), Ok(Value::Float(0.1)));
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assert_eq!(interpret("12.3"), Ok(Value::Float(12.3)));
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assert_eq!(interpret("-6.66"), Ok(Value::Float(-6.66)));
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}
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#[test]
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fn string() {
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assert_eq!(interpret("\"one\""), Ok(Value::String("one".to_string())));
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assert_eq!(interpret("'one'"), Ok(Value::String("one".to_string())));
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assert_eq!(interpret("`one`"), Ok(Value::String("one".to_string())));
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assert_eq!(interpret("`'one'`"), Ok(Value::String("'one'".to_string())));
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assert_eq!(interpret("'`one`'"), Ok(Value::String("`one`".to_string())));
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assert_eq!(
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interpret("\"'one'\""),
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Ok(Value::String("'one'".to_string()))
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);
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}
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#[test]
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fn list() {
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assert_eq!(
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interpret("[1, 2, 'foobar']"),
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Ok(Value::List(List::with_items(vec![
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Value::Integer(1),
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Value::Integer(2),
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Value::String("foobar".to_string()),
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])))
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);
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}
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#[test]
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fn map() {
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let map = Map::new();
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map.set("x".to_string(), Value::Integer(1), None).unwrap();
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map.set("foo".to_string(), Value::String("bar".to_string()), None)
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.unwrap();
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assert_eq!(interpret("{ x = 1, foo = 'bar' }"), Ok(Value::Map(map)));
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}
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#[test]
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fn map_types() {
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let map = Map::new();
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map.set("x".to_string(), Value::Integer(1), Some(Type::Integer))
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.unwrap();
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map.set(
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"foo".to_string(),
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Value::String("bar".to_string()),
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Some(Type::String),
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)
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.unwrap();
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assert_eq!(
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interpret("{ x <int> = 1, foo <str> = 'bar' }"),
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Ok(Value::Map(map))
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);
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}
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#[test]
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fn map_type_errors() {
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assert!(interpret("{ foo <bool> = 'bar' }")
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.unwrap_err()
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.is_type_check_error(&Error::TypeCheck {
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expected: Type::Boolean,
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actual: Type::String
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}))
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}
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#[test]
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fn function() {
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let result = interpret("() <int> { 1 }");
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let value = result.unwrap();
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let function = value.as_function().unwrap();
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assert_eq!(&Vec::<Identifier>::with_capacity(0), function.parameters());
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assert_eq!(&Type::Integer, function.return_type());
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let result = interpret("(x <bool>) <bool> { true }");
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let value = result.unwrap();
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let function = value.as_function().unwrap();
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assert_eq!(
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&vec![Identifier::new("x".to_string())],
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function.parameters()
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);
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assert_eq!(&Type::Boolean, function.return_type());
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}
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#[test]
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fn option() {
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let result = interpret("x <option(int)> = some(1); x").unwrap();
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assert_eq!(Value::Option(Some(Box::new(Value::Integer(1)))), result);
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}
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}
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mod function_call {
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use dust_lang::*;
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#[test]
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fn function_call() {
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assert_eq!(
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interpret(
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"
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foobar = (message <str>) <str> { message }
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foobar('Hiya')
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",
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),
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Ok(Value::String("Hiya".to_string()))
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);
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}
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#[test]
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fn call_empty_function() {
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assert_eq!(
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interpret(
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"
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foobar = (message <str>) <none> {}
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foobar('Hiya')
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",
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),
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Ok(Value::none())
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);
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}
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#[test]
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fn callback() {
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assert_eq!(
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interpret(
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"
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foobar = (cb <() -> str>) <str> {
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cb()
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}
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foobar(() <str> { 'Hiya' })
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",
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),
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Ok(Value::String("Hiya".to_string()))
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);
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}
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#[test]
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fn built_in_function_call() {
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assert_eq!(interpret("output('Hiya')"), Ok(Value::Option(None)));
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}
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}
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mod if_else {
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use dust_lang::*;
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#[test]
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fn r#if() {
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assert_eq!(
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interpret("if true { 'true' }"),
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Ok(Value::String("true".to_string()))
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);
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}
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#[test]
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fn if_else() {
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assert_eq!(
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interpret("if false { 1 } else { 2 }"),
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Ok(Value::Integer(2))
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);
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assert_eq!(
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interpret("if true { 1.0 } else { 42.0 }"),
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Ok(Value::Float(1.0))
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);
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}
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#[test]
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fn if_else_else_if_else() {
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assert_eq!(
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interpret(
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"
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if false {
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'no'
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} else if 1 + 1 == 3 {
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'nope'
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} else {
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'ok'
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}
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"
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),
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Ok(Value::String("ok".to_string()))
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);
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}
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#[test]
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fn if_else_if_else_if_else_if_else() {
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assert_eq!(
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interpret(
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"
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if false {
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'no'
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} else if 1 + 1 == 1 {
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'nope'
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} else if 9 / 2 == 4 {
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'nope'
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} else if 'foo' == 'bar' {
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'nope'
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} else {
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'ok'
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}
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"
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),
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Ok(Value::String("ok".to_string()))
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);
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}
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}
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mod index {
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use dust_lang::*;
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#[test]
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fn list_index() {
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let test = interpret("x = [1 [2] 3] x:1:0").unwrap();
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assert_eq!(Value::Integer(2), test);
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}
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#[test]
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fn map_index() {
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let test = interpret("x = {y = {z = 2}} x:y:z").unwrap();
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assert_eq!(Value::Integer(2), test);
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}
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#[test]
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fn complex_index() {
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let test = interpret(
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"
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x = [1 2 3]
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y = () <int> { 2 }
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x:y()
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",
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)
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.unwrap();
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assert_eq!(Value::Integer(3), test);
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}
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}
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mod r#match {
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use dust_lang::*;
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#[test]
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fn r#match() {
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let test = interpret(
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"
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match 1 {
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3 => false
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2 => { false }
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1 => true
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}
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",
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)
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.unwrap();
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assert_eq!(Value::Boolean(true), test);
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}
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#[test]
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fn match_assignment() {
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let test = interpret(
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"
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x = match 1 {
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3 => false
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2 => { false }
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1 => true
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}
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x
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",
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)
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.unwrap();
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assert_eq!(Value::Boolean(true), test);
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}
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}
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mod r#while {
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use dust_lang::*;
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#[test]
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fn while_loop() {
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assert_eq!(interpret("while false { 'foo' }"), Ok(Value::Option(None)))
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}
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#[test]
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fn while_loop_iteration_count() {
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assert_eq!(
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interpret("i = 0; while i < 3 { i += 1 }; i"),
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Ok(Value::Integer(3))
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)
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}
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}
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mod type_definition {
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use dust_lang::*;
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#[test]
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fn simple_type_check() {
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let result = interpret("x <bool> = 1");
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assert!(result.unwrap_err().is_type_check_error(&Error::TypeCheck {
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expected: Type::Boolean,
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actual: Type::Integer
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}));
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}
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#[test]
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fn callback_type_check() {
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let result = interpret(
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"
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x = (cb <() -> bool>) <bool> {
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cb()
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}
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x(() <int> { 1 })
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",
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);
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assert!(result.unwrap_err().is_type_check_error(&Error::TypeCheck {
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expected: Type::Function {
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parameter_types: vec![],
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return_type: Box::new(Type::Boolean),
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},
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actual: Type::Function {
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parameter_types: vec![],
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return_type: Box::new(Type::Integer),
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},
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}));
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}
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}
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mod blocks {
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use dust_lang::*;
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#[test]
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fn simple() {
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assert_eq!(interpret("{ 1 }"), Ok(Value::Integer(1)));
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}
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#[test]
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fn nested() {
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assert_eq!(interpret("{ 1 { 1 + 1 } }"), Ok(Value::Integer(2)));
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}
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#[test]
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fn with_return() {
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assert_eq!(interpret("{ return 1; 1 + 1; }"), Ok(Value::Integer(1)));
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}
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#[test]
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fn async_with_return() {
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assert_eq!(
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interpret(
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"
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async {
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return 1
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1 + 1
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3
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}
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"
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),
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Ok(Value::Integer(1))
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);
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}
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#[test]
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fn root_returns_like_block() {
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assert_eq!(
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interpret(
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"
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return 1
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1 + 1
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3
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"
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),
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Ok(Value::Integer(1))
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);
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}
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}
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