diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/test_parser.rs | 56 |
1 files changed, 54 insertions, 2 deletions
diff --git a/tests/test_parser.rs b/tests/test_parser.rs index b096597..c619745 100644 --- a/tests/test_parser.rs +++ b/tests/test_parser.rs @@ -1,3 +1,5 @@ +#![allow(non_upper_case_globals)] + use chrysanthemum::ast::*; use chrysanthemum::parser::*; use chrysanthemum::util::*; @@ -26,7 +28,7 @@ fn test_simple_expressions() { assert_eq!(parse_lambda("λ x.y"), Ok(Abs("x", Var("y")))); assert_eq!(parse_lambda("λx.y"), Ok(Abs("x", Var("y")))); assert_eq!(parse_lambda("lambda x . y"), Ok(Abs("x", Var("y")))); - assert!(parse_lambda("(λx.y)").is_err()); // fixme: should be fine + assert_eq!(parse_lambda("(λx.y)"), Ok(Abs("x", Var("y")))); assert_eq!(parse_lambda("(λx.y) x"), Ok(App(Abs("x", Var("y")), Var("x")))); assert_eq!(parse_lambda("(λx.y) x"), Ok(App(Abs("x", Var("y")), Var("x")))); assert_eq!(parse_lambda("if x then y else z"), Ok(Cond(Var("x"), Var("y"), Var("z")))); @@ -40,7 +42,57 @@ fn test_complex_expressions() { } #[test] -fn test_file() { +fn test_complex_annotations() { + assert_eq!(parse_lambda("(lambda x . y) : int"), Ok(Ann(Abs("x", Var("y")), Type::Integer))); + assert_eq!(parse_lambda("((lambda x. y): (int -> int)) 413: int"), Ok(App(Ann(Abs("x", Var("y")), Type::Function { from: Box::new(Type::Integer), to: Box::new(Type::Integer) }), Ann(Const(413, Type::Empty), Type::Integer)))); + assert_eq!(parse_lambda("if 0: bool then 1: bool else 2: int"), Ok(Cond(Ann(Const(0, Type::Empty), Type::Boolean), Ann(Const(1, Type::Empty), Type::Boolean), Ann(Const(2, Type::Empty), Type::Integer)))); + assert_eq!(parse_lambda("(lambda x. if x then 1: bool else 0: bool): (int -> bool)"), Ok(Ann(Abs("x", Cond(Var("x"), Ann(Const(1, Type::Empty), Type::Boolean), Ann(Const(0, Type::Empty), Type::Boolean))), Type::Function { from: Box::new(Type::Integer), to: Box::new(Type::Boolean) }))); + assert_eq!(parse_lambda("(lambda x. if x then 1: int else 0: int): (bool -> int)"), Ok(Ann(Abs("x", Cond(Var("x"), Ann(Const(1, Type::Empty), Type::Integer), Ann(Const(0, Type::Empty), Type::Integer))), Type::Function { from: Box::new(Type::Boolean), to: Box::new(Type::Integer) }))); + assert_eq!(parse_lambda("(lambda x. if x then 0 else 1): (bool -> bool)"), Ok(Ann(Abs("x", Cond(Var("x"), Const(0, Type::Empty), Const(1, Type::Empty))), Type::Function { from: Box::new(Type::Boolean), to: Box::new(Type::Boolean) }))); +} + +const program: &'static str = +"func foo() = + bar + if this: + that + else: + this +hello +foo +bar +baz +func foo = + this + if that: + then this +"; + +const lexed: &'static str = +"func foo() = { + bar; + if this: { + that; + } + else: { + this; + } } +hello; +foo; +bar; +baz; +func foo = { + this; + if that: { + then this; + } +}"; +#[test] +fn test_lexer() { + let result = lex(program); + assert!(result.is_ok()); + assert_eq!(result.unwrap(), lexed); +} |