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Add proc macro Literal parse test

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David Tolnay 2021-04-29 12:03:35 -07:00
parent faad7e209d
commit 965bce4834
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2 changed files with 27 additions and 0 deletions
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4
src/test/ui/proc-macro/auxiliary/api/mod.rs
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@ -9,12 +9,16 @@
extern crate proc_macro; extern crate proc_macro;
mod cmp; mod cmp;
mod parse;
use proc_macro::TokenStream; use proc_macro::TokenStream;
#[proc_macro] #[proc_macro]
pub fn run(input: TokenStream) -> TokenStream { pub fn run(input: TokenStream) -> TokenStream {
assert!(input.is_empty()); assert!(input.is_empty());
cmp::test(); cmp::test();
parse::test();
TokenStream::new() TokenStream::new()
} }

23
src/test/ui/proc-macro/auxiliary/api/parse.rs Normal file
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@ -0,0 +1,23 @@
use proc_macro::Literal;
pub fn test() {
test_parse_literal();
}
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!("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());
}