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tests: Add tests for token-class functions

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John 2023-09-28 00:08:51 -05:00
parent 0661789d42
commit b1621f2522
1 changed files with 21 additions and 2 deletions
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21
libconlang/src/lib.rs
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@ -419,7 +419,8 @@ mod tests {
}
fn assert_has_type_and_range<'t, F>(input: &'t str, f: F, ty: Type, range: Range<usize>)
where F: FnOnce(&mut Lexer<'t>) -> Option<Token> {
let tok = f(&mut Lexer::new(input)).unwrap();
let tok =
f(&mut Lexer::new(input)).unwrap_or_else(|| panic!("Should be {ty:?}, {range:?}"));
assert_eq!(ty, tok.ty());
assert_eq!(range, tok.range());
}
@ -528,6 +529,14 @@ mod tests {
assert_whole_input_is_token("123456789", Lexer::identifier, Type::Identifier);
}
}
mod literal {
use super::*;
#[test]
fn literal_class() {
assert_whole_input_is_token("1_00000", Lexer::literal, Type::LitInteger);
assert_whole_input_is_token("1.00000", Lexer::literal, Type::LitFloat);
assert_whole_input_is_token("\"1.0\"", Lexer::literal, Type::LitString);
}
mod integer {
use super::*;
#[test]
@ -599,9 +608,19 @@ mod tests {
);
}
}
}
mod delimiter {
use super::*;
#[test]
fn delimiter_class() {
assert_whole_input_is_token("[", Lexer::delimiter, Type::LBrack);
assert_whole_input_is_token("]", Lexer::delimiter, Type::RBrack);
assert_whole_input_is_token("{", Lexer::delimiter, Type::LCurly);
assert_whole_input_is_token("}", Lexer::delimiter, Type::RCurly);
assert_whole_input_is_token("(", Lexer::delimiter, Type::LParen);
assert_whole_input_is_token(")", Lexer::delimiter, Type::RParen);
}
#[test]
fn l_brack() {
assert_whole_input_is_token("[", Lexer::l_brack, Type::LBrack);
}