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parse.rs
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parse.rs
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use proc_macro::Literal;
pub fn test() {
test_display_literal();
test_parse_literal();
}
fn test_display_literal() {
assert_eq!(Literal::isize_unsuffixed(-10).to_string(), "-10");
assert_eq!(Literal::isize_suffixed(-10).to_string(), "-10isize");
}
fn test_parse_literal() {
assert_eq!("1".parse::<Literal>().unwrap().to_string(), "1");
assert_eq!("1.0".parse::<Literal>().unwrap().to_string(), "1.0");
assert_eq!("'a'".parse::<Literal>().unwrap().to_string(), "'a'");
assert_eq!("\"\n\"".parse::<Literal>().unwrap().to_string(), "\"\n\"");
assert_eq!("b\"\"".parse::<Literal>().unwrap().to_string(), "b\"\"");
assert_eq!("r##\"\"##".parse::<Literal>().unwrap().to_string(), "r##\"\"##");
assert_eq!("10ulong".parse::<Literal>().unwrap().to_string(), "10ulong");
assert_eq!("-10ulong".parse::<Literal>().unwrap().to_string(), "-10ulong");
assert!("true".parse::<Literal>().is_err());
assert!(".8".parse::<Literal>().is_err());
assert!("0 1".parse::<Literal>().is_err());
assert!("'a".parse::<Literal>().is_err());
assert!(" 0".parse::<Literal>().is_err());
assert!("0 ".parse::<Literal>().is_err());
assert!("/* comment */0".parse::<Literal>().is_err());
assert!("0/* comment */".parse::<Literal>().is_err());
assert!("0// comment".parse::<Literal>().is_err());
assert!("- 10".parse::<Literal>().is_err());
assert!("-'x'".parse::<Literal>().is_err());
}