30 lines
714 B
Rust
30 lines
714 B
Rust
/* lexer/tests/single_token.rs
|
|
* Eryn Wells <eryn@erynwells.me>
|
|
*/
|
|
|
|
//! Tests that single tokens are matches by the lexer.
|
|
|
|
extern crate sibillexer;
|
|
|
|
use sibillexer::{Lexer, Token};
|
|
|
|
#[test]
|
|
fn lexer_finds_left_paren() {
|
|
let mut lex = Lexer::new("(".chars());
|
|
assert_eq!(lex.next(), Some(Ok(Token::LeftParen)));
|
|
assert_eq!(lex.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn lexer_finds_right_paren() {
|
|
let mut lex = Lexer::new(")".chars());
|
|
assert_eq!(lex.next(), Some(Ok(Token::RightParen)));
|
|
assert_eq!(lex.next(), None);
|
|
}
|
|
|
|
#[test]
|
|
fn lexer_finds_id() {
|
|
let mut lex = Lexer::new("abc".chars());
|
|
assert_eq!(lex.next(), Some(Ok(Token::Id("abc".to_string()))));
|
|
assert_eq!(lex.next(), None);
|
|
}
|