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New simple expression test

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This commit is contained in:
Eryn Wells 2016-12-27 10:39:07 -07:00
parent b731b0323a
commit 77c3df99c0
1 changed files with 10 additions and 0 deletions
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10
src/lexer/mod.rs
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@ -470,6 +470,16 @@ mod tests {
check_single_token("#h4A65", Token::Number(Number::from_int(0x4A65)));
}
#[test]
fn lexes_simple_sexpression() {
let mut lexer = Lexer::new("(+ 3.4 6.8)");
assert_next_token(&mut lexer, &Token::LeftParen(String::from("(")));
assert_next_token(&mut lexer, &Token::Identifier(String::from("+")));
assert_next_token(&mut lexer, &Token::Number(Number::new(3.4)));
assert_next_token(&mut lexer, &Token::Number(Number::new(6.8)));
assert_next_token(&mut lexer, &Token::RightParen(String::from(")")));
}
fn check_single_token(input: &str, expected: Token) {
let mut lexer = Lexer::new(input);
assert_next_token(&mut lexer, &expected);